Refactor StateBinding class with ObservableState interface.

1 files changed, 90 insertions, 0 deletions

diff --git a/src/test/kotlin/test/pl/treksoft/kvision/state/StateBindingSpec.kt b/src/test/kotlin/test/pl/treksoft/kvision/state/StateBindingSpec.kt
new file mode 100644
index 00000000..f5416748
--- /dev/null
+++ b/src/test/kotlin/test/pl/treksoft/kvision/state/StateBindingSpec.kt
@@ -0,0 +1,90 @@
+/*
+ * 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.state
+
+import pl.treksoft.kvision.html.Div.Companion.div
+import pl.treksoft.kvision.panel.Root
+import pl.treksoft.kvision.panel.SimplePanel
+import pl.treksoft.kvision.state.StateBinding.Companion.stateBinding
+import pl.treksoft.kvision.state.StateBinding.Companion.stateUpdate
+import pl.treksoft.kvision.state.observableListOf
+import test.pl.treksoft.kvision.DomSpec
+import kotlin.browser.document
+import kotlin.test.Test
+
+class StateBindingSpec : DomSpec {
+
+    @Test
+    fun stateBinding() {
+        run {
+            val root = Root("test", fixed = true)
+            val container = SimplePanel()
+            val observableList = observableListOf(1, 2, 3)
+            container.stateBinding(observableList) { state ->
+                state.forEach {
+                    div("$it")
+                }
+            }
+            root.add(container)
+            val element = document.getElementById("test")
+            assertEqualsHtml(
+                "<div><div></div><div>1</div><div>2</div><div>3</div></div>",
+                element?.innerHTML,
+                "Should render initial state of the container"
+            )
+            observableList.add(4)
+            assertEqualsHtml(
+                "<div><div></div><div>1</div><div>2</div><div>3</div><div>4</div></div>",
+                element?.innerHTML,
+                "Should render changed state of the container"
+            )
+        }
+    }
+
+    @Test
+    fun stateUpdate() {
+        run {
+            val root = Root("test", fixed = true)
+            val container = SimplePanel()
+            val observableList = observableListOf(1)
+            container.stateUpdate(observableList) { state ->
+                div("${state[0]}")
+            } updateWith { state, d ->
+                d.content = "${state[0]}"
+            }
+            root.add(container)
+            val element = document.getElementById("test")
+            assertEqualsHtml(
+                "<div><div></div><div>1</div></div>",
+                element?.innerHTML,
+                "Should render initial state of the container"
+            )
+            observableList[0] = 2
+            assertEqualsHtml(
+                "<div><div></div><div>2</div></div>",
+                element?.innerHTML,
+                "Should render changed state of the container"
+            )
+        }
+    }
+
+}