Merge pull request #2175 from element-hq/feature/bma/composeTest

Add first tests on compose click interaction.

tests/testutils/build.gradle.kts

@@ -28,8 +28,11 @@ android {
 
 dependencies {
     implementation(libs.test.junit)
+    implementation(libs.test.truth)
     implementation(libs.coroutines.test)
     implementation(projects.libraries.core)
+    implementation(projects.libraries.uiStrings)
     implementation(libs.test.turbine)
     implementation(libs.molecule.runtime)
+    implementation(libs.androidx.compose.ui.test.junit)
 }

tests/testutils/src/main/kotlin/io/element/android/tests/testutils/EnsureCalledOnce.kt

@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2024 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.tests.testutils
+
+class EnsureCalledOnce : () -> Unit {
+    private var counter = 0
+    override fun invoke() {
+        counter++
+    }
+
+    fun assertSuccess() {
+        if (counter != 1) {
+            throw AssertionError("Expected to be called once, but was called $counter times")
+        }
+    }
+}
+
+fun ensureCalledOnce(block: (callback: EnsureCalledOnce) -> Unit) {
+    val callback = EnsureCalledOnce()
+    block(callback)
+    callback.assertSuccess()
+}
+
+class EnsureCalledOnceWithParam<T>(
+    private val expectedParam: T
+) : (T) -> Unit {
+    private var counter = 0
+    override fun invoke(p1: T) {
+        if (p1 != expectedParam) {
+            throw AssertionError("Expected to be called with $expectedParam, but was called with $p1")
+        }
+        counter++
+    }
+
+    fun assertSuccess() {
+        if (counter != 1) {
+            throw AssertionError("Expected to be called once, but was called $counter times")
+        }
+    }
+}
+
+fun <T> ensureCalledOnceWithParam(param: T, block: (callback: EnsureCalledOnceWithParam<T>) -> Unit) {
+    val callback = EnsureCalledOnceWithParam(param)
+    block(callback)
+    callback.assertSuccess()
+}

tests/testutils/src/main/kotlin/io/element/android/tests/testutils/EnsureNeverCalled.kt

@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2024 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.tests.testutils
+
+class EnsureNeverCalled : () -> Unit {
+    override fun invoke() {
+        throw AssertionError("Should not be called")
+    }
+}
+
+class EnsureNeverCalledWithParam<T> : (T) -> Unit {
+    override fun invoke(p1: T) {
+        throw AssertionError("Should not be called and is called with $p1")
+    }
+}

tests/testutils/src/main/kotlin/io/element/android/tests/testutils/EventsRecorder.kt

@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2024 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.tests.testutils
+
+import com.google.common.truth.Truth.assertThat
+
+class EventsRecorder<T>(
+    private val expectEvents: Boolean = true
+) : (T) -> Unit {
+    private val events = mutableListOf<T>()
+
+    override fun invoke(event: T) {
+        if (expectEvents) {
+            events.add(event)
+        } else {
+            throw AssertionError("Unexpected event: $event")
+        }
+    }
+
+    fun assertSingle(event: T) {
+        assertList(listOf(event))
+    }
+
+    fun assertList(expectedEvents: List<T>) {
+        assertThat(events).isEqualTo(expectedEvents)
+    }
+}

tests/testutils/src/main/kotlin/io/element/android/tests/testutils/SemanticsNodeInteractionsProviderExtensions.kt

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2024 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.tests.testutils
+
+import androidx.activity.ComponentActivity
+import androidx.annotation.StringRes
+import androidx.compose.ui.test.hasClickAction
+import androidx.compose.ui.test.hasContentDescription
+import androidx.compose.ui.test.hasText
+import androidx.compose.ui.test.junit4.AndroidComposeTestRule
+import androidx.compose.ui.test.performClick
+import io.element.android.libraries.ui.strings.CommonStrings
+import org.junit.rules.TestRule
+
+fun <R : TestRule> AndroidComposeTestRule<R, ComponentActivity>.clickOn(@StringRes res: Int) {
+    val text = activity.getString(res)
+    onNode(hasText(text) and hasClickAction())
+        .performClick()
+}
+
+fun <R : TestRule> AndroidComposeTestRule<R, ComponentActivity>.pressBack() {
+    val text = activity.getString(CommonStrings.action_back)
+    onNode(hasContentDescription(text)).performClick()
+}