Add new kvision-redux module.

3 files changed, 262 insertions, 0 deletions

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
new file mode 100644
index 00000000..9d86766c
--- /dev/null
+++ b/kvision-modules/kvision-redux/src/test/kotlin/test/pl/treksoft/kvision/TestUtil.kt
@@ -0,0 +1,99 @@
+/*
+ * 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()
+    }
+
+    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", 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/redux/ReduxStoreSpec.kt b/kvision-modules/kvision-redux/src/test/kotlin/test/pl/treksoft/kvision/redux/ReduxStoreSpec.kt
new file mode 100644
index 00000000..3be83556
--- /dev/null
+++ b/kvision-modules/kvision-redux/src/test/kotlin/test/pl/treksoft/kvision/redux/ReduxStoreSpec.kt
@@ -0,0 +1,83 @@
+/*
+ * 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.redux
+
+import kotlinx.serialization.Serializable
+import pl.treksoft.kvision.redux.createReduxStore
+import redux.RAction
+import test.pl.treksoft.kvision.SimpleSpec
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+@Serializable
+data class TestState(val counter: Int)
+
+sealed class TestAction : RAction {
+    object Inc : TestAction()
+    object Dec : TestAction()
+}
+
+fun testReducer(state: TestState, action: TestAction): TestState = when (action) {
+    is TestAction.Inc -> {
+        state.copy(counter = state.counter + 1)
+    }
+    is TestAction.Dec -> {
+        state.copy(counter = state.counter - 1)
+    }
+}
+
+class ReduxStoreSpec : SimpleSpec {
+
+    @Test
+    fun getState() {
+        run {
+            val store = createReduxStore(::testReducer, TestState(10))
+            assertEquals(TestState(10), store.getState())
+        }
+    }
+
+    @Test
+    fun dispatch() {
+        run {
+            val store = createReduxStore(::testReducer, TestState(10))
+            store.dispatch(TestAction.Inc)
+            store.dispatch(TestAction.Inc)
+            store.dispatch(TestAction.Inc)
+            store.dispatch(TestAction.Dec)
+            assertEquals(TestState(12), store.getState())
+        }
+    }
+
+    @Test
+    fun subscribe() {
+        run {
+            var counter = 0
+            val store = createReduxStore(::testReducer, TestState(10))
+            store.subscribe {
+                counter++
+            }
+            store.dispatch(TestAction.Inc)
+            store.dispatch(TestAction.Dec)
+            assertEquals(2, counter)
+        }
+    }
+}
diff --git a/kvision-modules/kvision-redux/src/test/kotlin/test/pl/treksoft/kvision/redux/StateBindingSpec.kt b/kvision-modules/kvision-redux/src/test/kotlin/test/pl/treksoft/kvision/redux/StateBindingSpec.kt
new file mode 100644
index 00000000..1da16e55
--- /dev/null
+++ b/kvision-modules/kvision-redux/src/test/kotlin/test/pl/treksoft/kvision/redux/StateBindingSpec.kt
@@ -0,0 +1,80 @@
+/*
+ * 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.redux
+
+import kotlinx.serialization.Serializable
+import pl.treksoft.kvision.html.Div.Companion.div
+import pl.treksoft.kvision.panel.Root
+import pl.treksoft.kvision.panel.SimplePanel
+import pl.treksoft.kvision.redux.StateBinding.Companion.stateBinding
+import pl.treksoft.kvision.redux.createReduxStore
+import redux.RAction
+import test.pl.treksoft.kvision.DomSpec
+import kotlin.browser.document
+import kotlin.test.Test
+
+@Serializable
+data class State(val counter: Int)
+
+sealed class StateAction : RAction {
+    object Inc : StateAction()
+    object Dec : StateAction()
+}
+
+fun stateReducer(state: State, action: StateAction): State = when (action) {
+    is StateAction.Inc -> {
+        state.copy(counter = state.counter + 1)
+    }
+    is StateAction.Dec -> {
+        state.copy(counter = state.counter - 1)
+    }
+}
+
+class StateBindingSpec : DomSpec {
+
+    @Test
+    fun stateBinding() {
+        run {
+            val root = Root("test", true)
+            val store = createReduxStore(::stateReducer, State(10))
+
+            val container = SimplePanel()
+            container.stateBinding(store) { state ->
+                div("${state.counter}")
+            }
+            root.add(container)
+            val element = document.getElementById("test")
+            assertEqualsHtml(
+                "<div><div></div><div>10</div></div>",
+                element?.innerHTML,
+                "Should render initial state of the container"
+            )
+            store.dispatch(StateAction.Inc)
+            assertEqualsHtml(
+                "<div><div></div><div>11</div></div>",
+                element?.innerHTML,
+                "Should render changed state of the container"
+            )
+        }
+    }
+
+}
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