New Application class to reduce applications boilerplate (#92).

New testutils module.

19 files changed, 193 insertions, 949 deletions

diff --git a/build.gradle b/build.gradle
index da4ab01a..39321f5c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -185,7 +185,8 @@ dokka {
             'kvision-modules/kvision-server-ktor/src/main/kotlin',
             'kvision-modules/kvision-server-spring-boot/src/main/kotlin',
             'kvision-modules/kvision-cordova/src/main/kotlin',
-            'kvision-modules/kvision-electron/src/main/kotlin')
+            'kvision-modules/kvision-electron/src/main/kotlin',
+            'kvision-modules/kvision-testutils/src/main/kotlin')
     classpath = [new File("dokka/kvision-dokka-helper.jar")]
     outputFormat = 'html'
     outputDirectory = "$buildDir/kdoc"
diff --git a/kvision-modules/kvision-bootstrap-select/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt b/kvision-modules/kvision-bootstrap-select/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
deleted file mode 100644
index 13c8531b..00000000
--- a/kvision-modules/kvision-bootstrap-select/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * Copyright (c) 2017-present Robert Jaros
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-package test.pl.treksoft.kvision
-
-import org.w3c.dom.Element
-import pl.treksoft.jquery.jQuery
-import pl.treksoft.kvision.core.Widget
-import pl.treksoft.kvision.panel.Root
-import kotlin.browser.document
-import kotlin.test.assertEquals
-import kotlin.test.assertTrue
-
-interface TestSpec {
-    fun beforeTest()
-
-    fun afterTest()
-
-    fun run(code: () -> Unit) {
-        beforeTest()
-        code()
-        afterTest()
-    }
-}
-
-interface SimpleSpec : TestSpec {
-
-    override fun beforeTest() {
-    }
-
-    override fun afterTest() {
-    }
-
-}
-
-interface DomSpec : TestSpec {
-
-    override fun beforeTest() {
-        val fixture = "<div style=\"display: none\" id=\"pretest\">" +
-                "<div id=\"test\"></div></div>"
-        document.body?.insertAdjacentHTML("afterbegin", fixture)
-    }
-
-    override fun afterTest() {
-        val div = document.getElementById("pretest")
-        div?.let { jQuery(it).remove() }
-        jQuery(".modal-backdrop").remove()
-        Root.shutdown()
-    }
-
-    fun assertEqualsHtml(expected: String?, actual: String?, message: String?) {
-        if (expected != null && actual != null) {
-            val exp = jQuery(expected)
-            val act = jQuery(actual)
-            val result = exp[0]?.isEqualNode(act[0])
-            if (result == true) {
-                assertTrue(result == true, message)
-            } else {
-                assertEquals(expected, actual, message)
-            }
-        } else {
-            assertEquals(expected, actual, message)
-        }
-    }
-}
-
-interface WSpec : DomSpec {
-
-    fun runW(code: (widget: Widget, element: Element?) -> Unit) {
-        run {
-            val root = Root("test", fixed = true)
-            val widget = Widget()
-            widget.id = "test_id"
-            root.add(widget)
-            val element = document.getElementById("test_id")
-            code(widget, element)
-        }
-    }
-
-}
-
-external fun require(name: String): dynamic
diff --git a/kvision-modules/kvision-bootstrap-spinner/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt b/kvision-modules/kvision-bootstrap-spinner/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
deleted file mode 100644
index 13c8531b..00000000
--- a/kvision-modules/kvision-bootstrap-spinner/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * Copyright (c) 2017-present Robert Jaros
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-package test.pl.treksoft.kvision
-
-import org.w3c.dom.Element
-import pl.treksoft.jquery.jQuery
-import pl.treksoft.kvision.core.Widget
-import pl.treksoft.kvision.panel.Root
-import kotlin.browser.document
-import kotlin.test.assertEquals
-import kotlin.test.assertTrue
-
-interface TestSpec {
-    fun beforeTest()
-
-    fun afterTest()
-
-    fun run(code: () -> Unit) {
-        beforeTest()
-        code()
-        afterTest()
-    }
-}
-
-interface SimpleSpec : TestSpec {
-
-    override fun beforeTest() {
-    }
-
-    override fun afterTest() {
-    }
-
-}
-
-interface DomSpec : TestSpec {
-
-    override fun beforeTest() {
-        val fixture = "<div style=\"display: none\" id=\"pretest\">" +
-                "<div id=\"test\"></div></div>"
-        document.body?.insertAdjacentHTML("afterbegin", fixture)
-    }
-
-    override fun afterTest() {
-        val div = document.getElementById("pretest")
-        div?.let { jQuery(it).remove() }
-        jQuery(".modal-backdrop").remove()
-        Root.shutdown()
-    }
-
-    fun assertEqualsHtml(expected: String?, actual: String?, message: String?) {
-        if (expected != null && actual != null) {
-            val exp = jQuery(expected)
-            val act = jQuery(actual)
-            val result = exp[0]?.isEqualNode(act[0])
-            if (result == true) {
-                assertTrue(result == true, message)
-            } else {
-                assertEquals(expected, actual, message)
-            }
-        } else {
-            assertEquals(expected, actual, message)
-        }
-    }
-}
-
-interface WSpec : DomSpec {
-
-    fun runW(code: (widget: Widget, element: Element?) -> Unit) {
-        run {
-            val root = Root("test", fixed = true)
-            val widget = Widget()
-            widget.id = "test_id"
-            root.add(widget)
-            val element = document.getElementById("test_id")
-            code(widget, element)
-        }
-    }
-
-}
-
-external fun require(name: String): dynamic
diff --git a/kvision-modules/kvision-bootstrap-upload/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt b/kvision-modules/kvision-bootstrap-upload/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
deleted file mode 100644
index 13c8531b..00000000
--- a/kvision-modules/kvision-bootstrap-upload/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * Copyright (c) 2017-present Robert Jaros
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-package test.pl.treksoft.kvision
-
-import org.w3c.dom.Element
-import pl.treksoft.jquery.jQuery
-import pl.treksoft.kvision.core.Widget
-import pl.treksoft.kvision.panel.Root
-import kotlin.browser.document
-import kotlin.test.assertEquals
-import kotlin.test.assertTrue
-
-interface TestSpec {
-    fun beforeTest()
-
-    fun afterTest()
-
-    fun run(code: () -> Unit) {
-        beforeTest()
-        code()
-        afterTest()
-    }
-}
-
-interface SimpleSpec : TestSpec {
-
-    override fun beforeTest() {
-    }
-
-    override fun afterTest() {
-    }
-
-}
-
-interface DomSpec : TestSpec {
-
-    override fun beforeTest() {
-        val fixture = "<div style=\"display: none\" id=\"pretest\">" +
-                "<div id=\"test\"></div></div>"
-        document.body?.insertAdjacentHTML("afterbegin", fixture)
-    }
-
-    override fun afterTest() {
-        val div = document.getElementById("pretest")
-        div?.let { jQuery(it).remove() }
-        jQuery(".modal-backdrop").remove()
-        Root.shutdown()
-    }
-
-    fun assertEqualsHtml(expected: String?, actual: String?, message: String?) {
-        if (expected != null && actual != null) {
-            val exp = jQuery(expected)
-            val act = jQuery(actual)
-            val result = exp[0]?.isEqualNode(act[0])
-            if (result == true) {
-                assertTrue(result == true, message)
-            } else {
-                assertEquals(expected, actual, message)
-            }
-        } else {
-            assertEquals(expected, actual, message)
-        }
-    }
-}
-
-interface WSpec : DomSpec {
-
-    fun runW(code: (widget: Widget, element: Element?) -> Unit) {
-        run {
-            val root = Root("test", fixed = true)
-            val widget = Widget()
-            widget.id = "test_id"
-            root.add(widget)
-            val element = document.getElementById("test_id")
-            code(widget, element)
-        }
-    }
-
-}
-
-external fun require(name: String): dynamic
diff --git a/kvision-modules/kvision-bootstrap/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt b/kvision-modules/kvision-bootstrap/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
index fc3d5242..d0b05cce 100644
--- a/kvision-modules/kvision-bootstrap/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
+++ b/kvision-modules/kvision-bootstrap/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
@@ -65,7 +65,7 @@ interface DomSpec : TestSpec {
         val div = document.getElementById("pretest")
         div?.let { jQuery(it).remove() }
         jQuery(".modal-backdrop").remove()
-        Root.shutdown()
+        Root.disposeAllRoots()
     }
 
     fun assertEqualsHtml(expected: String?, actual: String?, message: String?) {
diff --git a/kvision-modules/kvision-chart/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt b/kvision-modules/kvision-chart/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
deleted file mode 100644
index 13c8531b..00000000
--- a/kvision-modules/kvision-chart/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * Copyright (c) 2017-present Robert Jaros
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-package test.pl.treksoft.kvision
-
-import org.w3c.dom.Element
-import pl.treksoft.jquery.jQuery
-import pl.treksoft.kvision.core.Widget
-import pl.treksoft.kvision.panel.Root
-import kotlin.browser.document
-import kotlin.test.assertEquals
-import kotlin.test.assertTrue
-
-interface TestSpec {
-    fun beforeTest()
-
-    fun afterTest()
-
-    fun run(code: () -> Unit) {
-        beforeTest()
-        code()
-        afterTest()
-    }
-}
-
-interface SimpleSpec : TestSpec {
-
-    override fun beforeTest() {
-    }
-
-    override fun afterTest() {
-    }
-
-}
-
-interface DomSpec : TestSpec {
-
-    override fun beforeTest() {
-        val fixture = "<div style=\"display: none\" id=\"pretest\">" +
-                "<div id=\"test\"></div></div>"
-        document.body?.insertAdjacentHTML("afterbegin", fixture)
-    }
-
-    override fun afterTest() {
-        val div = document.getElementById("pretest")
-        div?.let { jQuery(it).remove() }
-        jQuery(".modal-backdrop").remove()
-        Root.shutdown()
-    }
-
-    fun assertEqualsHtml(expected: String?, actual: String?, message: String?) {
-        if (expected != null && actual != null) {
-            val exp = jQuery(expected)
-            val act = jQuery(actual)
-            val result = exp[0]?.isEqualNode(act[0])
-            if (result == true) {
-                assertTrue(result == true, message)
-            } else {
-                assertEquals(expected, actual, message)
-            }
-        } else {
-            assertEquals(expected, actual, message)
-        }
-    }
-}
-
-interface WSpec : DomSpec {
-
-    fun runW(code: (widget: Widget, element: Element?) -> Unit) {
-        run {
-            val root = Root("test", fixed = true)
-            val widget = Widget()
-            widget.id = "test_id"
-            root.add(widget)
-            val element = document.getElementById("test_id")
-            code(widget, element)
-        }
-    }
-
-}
-
-external fun require(name: String): dynamic
diff --git a/kvision-modules/kvision-datacontainer/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt b/kvision-modules/kvision-datacontainer/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
deleted file mode 100644
index 13c8531b..00000000
--- a/kvision-modules/kvision-datacontainer/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * Copyright (c) 2017-present Robert Jaros
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-package test.pl.treksoft.kvision
-
-import org.w3c.dom.Element
-import pl.treksoft.jquery.jQuery
-import pl.treksoft.kvision.core.Widget
-import pl.treksoft.kvision.panel.Root
-import kotlin.browser.document
-import kotlin.test.assertEquals
-import kotlin.test.assertTrue
-
-interface TestSpec {
-    fun beforeTest()
-
-    fun afterTest()
-
-    fun run(code: () -> Unit) {
-        beforeTest()
-        code()
-        afterTest()
-    }
-}
-
-interface SimpleSpec : TestSpec {
-
-    override fun beforeTest() {
-    }
-
-    override fun afterTest() {
-    }
-
-}
-
-interface DomSpec : TestSpec {
-
-    override fun beforeTest() {
-        val fixture = "<div style=\"display: none\" id=\"pretest\">" +
-                "<div id=\"test\"></div></div>"
-        document.body?.insertAdjacentHTML("afterbegin", fixture)
-    }
-
-    override fun afterTest() {
-        val div = document.getElementById("pretest")
-        div?.let { jQuery(it).remove() }
-        jQuery(".modal-backdrop").remove()
-        Root.shutdown()
-    }
-
-    fun assertEqualsHtml(expected: String?, actual: String?, message: String?) {
-        if (expected != null && actual != null) {
-            val exp = jQuery(expected)
-            val act = jQuery(actual)
-            val result = exp[0]?.isEqualNode(act[0])
-            if (result == true) {
-                assertTrue(result == true, message)
-            } else {
-                assertEquals(expected, actual, message)
-            }
-        } else {
-            assertEquals(expected, actual, message)
-        }
-    }
-}
-
-interface WSpec : DomSpec {
-
-    fun runW(code: (widget: Widget, element: Element?) -> Unit) {
-        run {
-            val root = Root("test", fixed = true)
-            val widget = Widget()
-            widget.id = "test_id"
-            root.add(widget)
-            val element = document.getElementById("test_id")
-            code(widget, element)
-        }
-    }
-
-}
-
-external fun require(name: String): dynamic
diff --git a/kvision-modules/kvision-redux-kotlin/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt b/kvision-modules/kvision-redux-kotlin/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
deleted file mode 100644
index 13c8531b..00000000
--- a/kvision-modules/kvision-redux-kotlin/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * Copyright (c) 2017-present Robert Jaros
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-package test.pl.treksoft.kvision
-
-import org.w3c.dom.Element
-import pl.treksoft.jquery.jQuery
-import pl.treksoft.kvision.core.Widget
-import pl.treksoft.kvision.panel.Root
-import kotlin.browser.document
-import kotlin.test.assertEquals
-import kotlin.test.assertTrue
-
-interface TestSpec {
-    fun beforeTest()
-
-    fun afterTest()
-
-    fun run(code: () -> Unit) {
-        beforeTest()
-        code()
-        afterTest()
-    }
-}
-
-interface SimpleSpec : TestSpec {
-
-    override fun beforeTest() {
-    }
-
-    override fun afterTest() {
-    }
-
-}
-
-interface DomSpec : TestSpec {
-
-    override fun beforeTest() {
-        val fixture = "<div style=\"display: none\" id=\"pretest\">" +
-                "<div id=\"test\"></div></div>"
-        document.body?.insertAdjacentHTML("afterbegin", fixture)
-    }
-
-    override fun afterTest() {
-        val div = document.getElementById("pretest")
-        div?.let { jQuery(it).remove() }
-        jQuery(".modal-backdrop").remove()
-        Root.shutdown()
-    }
-
-    fun assertEqualsHtml(expected: String?, actual: String?, message: String?) {
-        if (expected != null && actual != null) {
-            val exp = jQuery(expected)
-            val act = jQuery(actual)
-            val result = exp[0]?.isEqualNode(act[0])
-            if (result == true) {
-                assertTrue(result == true, message)
-            } else {
-                assertEquals(expected, actual, message)
-            }
-        } else {
-            assertEquals(expected, actual, message)
-        }
-    }
-}
-
-interface WSpec : DomSpec {
-
-    fun runW(code: (widget: Widget, element: Element?) -> Unit) {
-        run {
-            val root = Root("test", fixed = true)
-            val widget = Widget()
-            widget.id = "test_id"
-            root.add(widget)
-            val element = document.getElementById("test_id")
-            code(widget, element)
-        }
-    }
-
-}
-
-external fun require(name: String): dynamic
diff --git a/kvision-modules/kvision-redux/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt b/kvision-modules/kvision-redux/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
deleted file mode 100644
index 13c8531b..00000000
--- a/kvision-modules/kvision-redux/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * Copyright (c) 2017-present Robert Jaros
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-package test.pl.treksoft.kvision
-
-import org.w3c.dom.Element
-import pl.treksoft.jquery.jQuery
-import pl.treksoft.kvision.core.Widget
-import pl.treksoft.kvision.panel.Root
-import kotlin.browser.document
-import kotlin.test.assertEquals
-import kotlin.test.assertTrue
-
-interface TestSpec {
-    fun beforeTest()
-
-    fun afterTest()
-
-    fun run(code: () -> Unit) {
-        beforeTest()
-        code()
-        afterTest()
-    }
-}
-
-interface SimpleSpec : TestSpec {
-
-    override fun beforeTest() {
-    }
-
-    override fun afterTest() {
-    }
-
-}
-
-interface DomSpec : TestSpec {
-
-    override fun beforeTest() {
-        val fixture = "<div style=\"display: none\" id=\"pretest\">" +
-                "<div id=\"test\"></div></div>"
-        document.body?.insertAdjacentHTML("afterbegin", fixture)
-    }
-
-    override fun afterTest() {
-        val div = document.getElementById("pretest")
-        div?.let { jQuery(it).remove() }
-        jQuery(".modal-backdrop").remove()
-        Root.shutdown()
-    }
-
-    fun assertEqualsHtml(expected: String?, actual: String?, message: String?) {
-        if (expected != null && actual != null) {
-            val exp = jQuery(expected)
-            val act = jQuery(actual)
-            val result = exp[0]?.isEqualNode(act[0])
-            if (result == true) {
-                assertTrue(result == true, message)
-            } else {
-                assertEquals(expected, actual, message)
-            }
-        } else {
-            assertEquals(expected, actual, message)
-        }
-    }
-}
-
-interface WSpec : DomSpec {
-
-    fun runW(code: (widget: Widget, element: Element?) -> Unit) {
-        run {
-            val root = Root("test", fixed = true)
-            val widget = Widget()
-            widget.id = "test_id"
-            root.add(widget)
-            val element = document.getElementById("test_id")
-            code(widget, element)
-        }
-    }
-
-}
-
-external fun require(name: String): dynamic
diff --git a/kvision-modules/kvision-richtext/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt b/kvision-modules/kvision-richtext/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
deleted file mode 100644
index 13c8531b..00000000
--- a/kvision-modules/kvision-richtext/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * Copyright (c) 2017-present Robert Jaros
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-package test.pl.treksoft.kvision
-
-import org.w3c.dom.Element
-import pl.treksoft.jquery.jQuery
-import pl.treksoft.kvision.core.Widget
-import pl.treksoft.kvision.panel.Root
-import kotlin.browser.document
-import kotlin.test.assertEquals
-import kotlin.test.assertTrue
-
-interface TestSpec {
-    fun beforeTest()
-
-    fun afterTest()
-
-    fun run(code: () -> Unit) {
-        beforeTest()
-        code()
-        afterTest()
-    }
-}
-
-interface SimpleSpec : TestSpec {
-
-    override fun beforeTest() {
-    }
-
-    override fun afterTest() {
-    }
-
-}
-
-interface DomSpec : TestSpec {
-
-    override fun beforeTest() {
-        val fixture = "<div style=\"display: none\" id=\"pretest\">" +
-                "<div id=\"test\"></div></div>"
-        document.body?.insertAdjacentHTML("afterbegin", fixture)
-    }
-
-    override fun afterTest() {
-        val div = document.getElementById("pretest")
-        div?.let { jQuery(it).remove() }
-        jQuery(".modal-backdrop").remove()
-        Root.shutdown()
-    }
-
-    fun assertEqualsHtml(expected: String?, actual: String?, message: String?) {
-        if (expected != null && actual != null) {
-            val exp = jQuery(expected)
-            val act = jQuery(actual)
-            val result = exp[0]?.isEqualNode(act[0])
-            if (result == true) {
-                assertTrue(result == true, message)
-            } else {
-                assertEquals(expected, actual, message)
-            }
-        } else {
-            assertEquals(expected, actual, message)
-        }
-    }
-}
-
-interface WSpec : DomSpec {
-
-    fun runW(code: (widget: Widget, element: Element?) -> Unit) {
-        run {
-            val root = Root("test", fixed = true)
-            val widget = Widget()
-            widget.id = "test_id"
-            root.add(widget)
-            val element = document.getElementById("test_id")
-            code(widget, element)
-        }
-    }
-
-}
-
-external fun require(name: String): dynamic
diff --git a/kvision-modules/kvision-tabulator/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt b/kvision-modules/kvision-tabulator/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
deleted file mode 100644
index 13c8531b..00000000
--- a/kvision-modules/kvision-tabulator/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * Copyright (c) 2017-present Robert Jaros
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-package test.pl.treksoft.kvision
-
-import org.w3c.dom.Element
-import pl.treksoft.jquery.jQuery
-import pl.treksoft.kvision.core.Widget
-import pl.treksoft.kvision.panel.Root
-import kotlin.browser.document
-import kotlin.test.assertEquals
-import kotlin.test.assertTrue
-
-interface TestSpec {
-    fun beforeTest()
-
-    fun afterTest()
-
-    fun run(code: () -> Unit) {
-        beforeTest()
-        code()
-        afterTest()
-    }
-}
-
-interface SimpleSpec : TestSpec {
-
-    override fun beforeTest() {
-    }
-
-    override fun afterTest() {
-    }
-
-}
-
-interface DomSpec : TestSpec {
-
-    override fun beforeTest() {
-        val fixture = "<div style=\"display: none\" id=\"pretest\">" +
-                "<div id=\"test\"></div></div>"
-        document.body?.insertAdjacentHTML("afterbegin", fixture)
-    }
-
-    override fun afterTest() {
-        val div = document.getElementById("pretest")
-        div?.let { jQuery(it).remove() }
-        jQuery(".modal-backdrop").remove()
-        Root.shutdown()
-    }
-
-    fun assertEqualsHtml(expected: String?, actual: String?, message: String?) {
-        if (expected != null && actual != null) {
-            val exp = jQuery(expected)
-            val act = jQuery(actual)
-            val result = exp[0]?.isEqualNode(act[0])
-            if (result == true) {
-                assertTrue(result == true, message)
-            } else {
-                assertEquals(expected, actual, message)
-            }
-        } else {
-            assertEquals(expected, actual, message)
-        }
-    }
-}
-
-interface WSpec : DomSpec {
-
-    fun runW(code: (widget: Widget, element: Element?) -> Unit) {
-        run {
-            val root = Root("test", fixed = true)
-            val widget = Widget()
-            widget.id = "test_id"
-            root.add(widget)
-            val element = document.getElementById("test_id")
-            code(widget, element)
-        }
-    }
-
-}
-
-external fun require(name: String): dynamic
diff --git a/kvision-modules/kvision-testutils/build.gradle b/kvision-modules/kvision-testutils/build.gradle
new file mode 100644
index 00000000..1bf2dcf0
--- /dev/null
+++ b/kvision-modules/kvision-testutils/build.gradle
@@ -0,0 +1,60 @@
+apply plugin: 'kotlin-platform-js'
+
+task cleanLibs(type: Delete) {
+    delete 'build/js', 'build/libs'
+}
+
+if (project.gradle.startParameter.taskNames.contains("jar")) {
+    compileKotlin2Js.dependsOn 'cleanLibs'
+}
+
+jar {
+    duplicatesStrategy = DuplicatesStrategy.EXCLUDE
+}
+
+task testJar(type: Jar, dependsOn: testClasses) {
+    baseName = "${project.archivesBaseName}-test"
+    from sourceSets.test.output
+}
+
+configurations {
+    tests
+}
+
+artifacts {
+    tests testJar
+}
+
+publishing {
+    publications {
+        mavenProject(MavenPublication) {
+            artifact testJar {
+                classifier 'tests'
+            }
+        }
+    }
+}
+
+compileKotlin2Js {
+    kotlinOptions.metaInfo = true
+    kotlinOptions.outputFile = "$project.buildDir.path/js/${project.name}.js"
+    kotlinOptions.sourceMap = !production
+    kotlinOptions.moduleKind = 'umd'
+}
+
+compileTestKotlin2Js {
+    kotlinOptions.metaInfo = true
+    kotlinOptions.outputFile = "$project.buildDir.path/js-tests/${project.name}-tests.js"
+    kotlinOptions.sourceMap = !production
+    kotlinOptions.moduleKind = 'umd'
+}
+
+dependencies {
+    compile "org.jetbrains.kotlin:kotlin-stdlib-js:$kotlinVersion"
+    compile "org.jetbrains.kotlin:kotlin-test-js:$kotlinVersion"
+    if (!project.gradle.startParameter.taskNames.contains("generatePomFileForMavenProjectPublication")) {
+        compile project(":kvision-modules:kvision-base")
+    } else {
+        compile rootProject
+    }
+}
diff --git a/kvision-modules/kvision-bootstrap-datetime/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt b/kvision-modules/kvision-testutils/src/test/kotlin/pl/treksoft/kvision/test/TestUtil.kt
index 13c8531b..c32faa70 100644
--- a/kvision-modules/kvision-bootstrap-datetime/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
+++ b/kvision-modules/kvision-testutils/src/test/kotlin/pl/treksoft/kvision/test/TestUtil.kt
@@ -19,7 +19,7 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-package test.pl.treksoft.kvision
+package pl.treksoft.kvision.test
 
 import org.w3c.dom.Element
 import pl.treksoft.jquery.jQuery
@@ -63,7 +63,7 @@ interface DomSpec : TestSpec {
         val div = document.getElementById("pretest")
         div?.let { jQuery(it).remove() }
         jQuery(".modal-backdrop").remove()
-        Root.shutdown()
+        Root.disposeAllRoots()
     }
 
     fun assertEqualsHtml(expected: String?, actual: String?, message: String?) {
diff --git a/settings.gradle b/settings.gradle
index 316306ce..414c8b8b 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -28,4 +28,5 @@ include 'kvision-modules:kvision-base',
         'kvision-modules:kvision-server-ktor',
         'kvision-modules:kvision-server-spring-boot',
         'kvision-modules:kvision-electron',
-        'kvision-modules:kvision-cordova'
+        'kvision-modules:kvision-cordova',
+        'kvision-modules:kvision-testutils'
diff --git a/src/main/kotlin/pl/treksoft/kvision/Application.kt b/src/main/kotlin/pl/treksoft/kvision/Application.kt
new file mode 100644
index 00000000..34d3e8cb
--- /dev/null
+++ b/src/main/kotlin/pl/treksoft/kvision/Application.kt
@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) 2017-present Robert Jaros
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package pl.treksoft.kvision
+
+import pl.treksoft.kvision.panel.Root
+import kotlin.browser.document
+
+/**
+ * Base class for KVision applications.
+ */
+abstract class Application {
+
+    /**
+     * Starting point for an application.
+     */
+    open fun start() {}
+
+    /**
+     * Starting point for an application with the state managed by Hot Module Replacement (HMR).
+     * @param state Initial state for Hot Module Replacement (HMR).
+     */
+    open fun start(state: Map<String, Any>) {
+        start()
+    }
+
+    /**
+     * Ending point for an application.
+     * @return final state for Hot Module Replacement (HMR).
+     */
+    open fun dispose(): Map<String, Any> {
+        return mapOf()
+    }
+}
+
+/**
+ * Main function for creating KVision applications.
+ */
+fun startApplication(builder: () -> Application) {
+
+    fun start(state: dynamic): Application? {
+        val application = builder()
+        @Suppress("UnsafeCastFromDynamic")
+        application.start(state?.appState ?: emptyMap())
+        return application
+    }
+
+    var application: Application? = null
+
+    val state: dynamic = module.hot?.let { hot ->
+        hot.accept()
+
+        hot.dispose { data ->
+            Root.disposeAllRoots()
+            data.appState = application?.dispose()
+            application = null
+        }
+
+        hot.data
+    }
+
+    if (document.body != null) {
+        application = start(state)
+    } else {
+        application = null
+        document.addEventListener("DOMContentLoaded", { application = start(state) })
+    }
+}
diff --git a/src/main/kotlin/pl/treksoft/kvision/hmr/HMR.kt b/src/main/kotlin/pl/treksoft/kvision/HMR.kt
index 62cde4d9..27f8d5ed 100644
--- a/src/main/kotlin/pl/treksoft/kvision/hmr/HMR.kt
+++ b/src/main/kotlin/pl/treksoft/kvision/HMR.kt
@@ -19,7 +19,7 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-package pl.treksoft.kvision.hmr
+package pl.treksoft.kvision
 
 /**
  * Helper variable for Hot Module Replacement (HMR).
diff --git a/src/main/kotlin/pl/treksoft/kvision/hmr/ApplicationBase.kt b/src/main/kotlin/pl/treksoft/kvision/hmr/ApplicationBase.kt
deleted file mode 100644
index 3183f71a..00000000
--- a/src/main/kotlin/pl/treksoft/kvision/hmr/ApplicationBase.kt
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (c) 2017-present Robert Jaros
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-package pl.treksoft.kvision.hmr
-
-/**
- * Base interface for applications.
- *
- * Base interface for applications supporting Hot Module Replacement (HMR).
- */
-interface ApplicationBase {
-    /**
-     * Starting point for an application.
-     * @param state Initial state between Hot Module Replacement (HMR).
-     */
-    fun start(state: Map<String, Any>)
-
-    /**
-     * Ending point for an application.
-     * @return final state for Hot Module Replacement (HMR).
-     */
-    fun dispose(): Map<String, Any>
-}
diff --git a/src/main/kotlin/pl/treksoft/kvision/panel/Root.kt b/src/main/kotlin/pl/treksoft/kvision/panel/Root.kt
index e0c70ac4..ce86c678 100644
--- a/src/main/kotlin/pl/treksoft/kvision/panel/Root.kt
+++ b/src/main/kotlin/pl/treksoft/kvision/panel/Root.kt
@@ -24,6 +24,7 @@ package pl.treksoft.kvision.panel
 import com.github.snabbdom.VNode
 import com.github.snabbdom.h
 import org.w3c.dom.HTMLElement
+import pl.treksoft.kvision.Application
 import pl.treksoft.kvision.KVManager
 import pl.treksoft.kvision.core.StringBoolPair
 import pl.treksoft.kvision.core.Style
@@ -40,6 +41,7 @@ import pl.treksoft.kvision.utils.snOpt
  *
  * @constructor
  * @param id ID attribute of element in the main HTML file
+ * @param element HTML element in the DOM tree
  * @param fixed if false, the container is rendered with Bootstrap "container-fluid" class,
  * otherwise it's rendered with "container" class (default is false)
  * @param init an initializer extension function
@@ -160,13 +162,16 @@ class Root(
         /**
          * @suppress internal function
          */
-        fun shutdown() {
+        fun disposeAllRoots() {
             roots.forEach { it.dispose() }
             roots.clear()
         }
 
         internal val roots: MutableList<Root> = mutableListOf()
 
+        /**
+         * @suppress internal function
+         */
         fun getFirstRoot(): Root? {
             return if (roots.isNotEmpty())
                 roots[0]
@@ -174,6 +179,9 @@ class Root(
                 null
         }
 
+        /**
+         * @suppress internal function
+         */
         fun getLastRoot(): Root? {
             return if (roots.isNotEmpty())
                 roots[roots.size - 1]
@@ -181,12 +189,41 @@ class Root(
                 null
         }
 
+        /**
+         * @suppress internal function
+         */
         fun addModal(modal: Widget) {
             modals.add(modal)
         }
 
+        /**
+         * @suppress internal function
+         */
         fun removeModal(modal: Widget) {
             modals.remove(modal)
         }
+
+        /**
+         * Create new Root container based on ID
+         * @param id ID attribute of element in the main HTML file
+         * @param fixed if false, the container is rendered with Bootstrap "container-fluid" class,
+         * otherwise it's rendered with "container" class (default is false)
+         * @param init an initializer extension function
+         */
+        fun Application.root(id: String, fixed: Boolean = false, init: Root.() -> Unit) {
+            Root(id, fixed = fixed, init = init)
+        }
+
+        /**
+         * Create new Root container based on HTML element
+         * @param element HTML element in the DOM tree
+         * @param fixed if false, the container is rendered with Bootstrap "container-fluid" class,
+         * otherwise it's rendered with "container" class (default is false)
+         * @param init an initializer extension function
+         */
+        fun Application.root(element: HTMLElement, fixed: Boolean = false, init: Root.() -> Unit) {
+            Root(element = element, fixed = fixed, init = init)
+        }
+
     }
 }
diff --git a/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt b/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
index 13c8531b..9da4dfb4 100644
--- a/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
+++ b/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
@@ -63,7 +63,7 @@ interface DomSpec : TestSpec {
         val div = document.getElementById("pretest")
         div?.let { jQuery(it).remove() }
         jQuery(".modal-backdrop").remove()
-        Root.shutdown()
+        Root.disposeAllRoots()
     }
 
     fun assertEqualsHtml(expected: String?, actual: String?, message: String?) {