Add tests for MediaControlButtons

media-ui/src/androidTest/java/com/google/android/horologist/media/ui/components/MediaControlButtonsTest.kt

@@ -0,0 +1,333 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * 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
+ *
+ *      https://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.
+ */
+
+@file:OptIn(ExperimentalHorologistMediaUiApi::class)
+
+package com.google.android.horologist.media.ui.components
+
+import androidx.compose.ui.test.assertIsDisplayed
+import androidx.compose.ui.test.assertIsEnabled
+import androidx.compose.ui.test.assertIsNotEnabled
+import androidx.compose.ui.test.junit4.createComposeRule
+import androidx.compose.ui.test.onNodeWithContentDescription
+import androidx.compose.ui.test.performClick
+import com.google.android.horologist.media.ui.ExperimentalHorologistMediaUiApi
+import com.google.test.toolbox.matchers.hasProgressBar
+import org.junit.Rule
+import org.junit.Test
+
+class MediaControlButtonsTest {
+
+    @get:Rule
+    val composeTestRule = createComposeRule()
+
+    @Test
+    fun givenIsPlaying_thenPauseButtonIsDisplayed() {
+        // given
+        val playing = true
+
+        composeTestRule.setContent {
+            MediaControlButtons(
+                onPlayButtonClick = {},
+                onPauseButtonClick = {},
+                playPauseButtonEnabled = true,
+                playing = playing,
+                onSeekToPreviousButtonClick = {},
+                seekToPreviousButtonEnabled = true,
+                onSeekToNextButtonClick = {},
+                seekToNextButtonEnabled = true,
+            )
+        }
+
+        // then
+        composeTestRule.onNodeWithContentDescription("Pause")
+            .assertIsDisplayed()
+
+        composeTestRule.onNodeWithContentDescription("Play")
+            .assertDoesNotExist()
+    }
+
+    @Test
+    fun givenIsPlaying_whenPauseIsClicked_thenCorrectEventIsTriggered() {
+        // given
+        val playing = true
+        var clicked = false
+
+        composeTestRule.setContent {
+            MediaControlButtons(
+                onPlayButtonClick = {},
+                onPauseButtonClick = { clicked = true },
+                playPauseButtonEnabled = true,
+                playing = playing,
+                onSeekToPreviousButtonClick = {},
+                seekToPreviousButtonEnabled = true,
+                onSeekToNextButtonClick = {},
+                seekToNextButtonEnabled = true,
+            )
+        }
+
+        // when
+        composeTestRule.onNodeWithContentDescription("Pause")
+            .performClick()
+
+        // then
+        // assert that the click event was assigned to the correct button
+        composeTestRule.waitUntil(timeoutMillis = 1_000) { clicked }
+    }
+
+    @Test
+    fun givenIsNOTPlaying_thenPlayButtonIsDisplayed() {
+        // given
+        val playing = false
+
+        composeTestRule.setContent {
+            MediaControlButtons(
+                onPlayButtonClick = {},
+                onPauseButtonClick = {},
+                playPauseButtonEnabled = true,
+                playing = playing,
+                onSeekToPreviousButtonClick = {},
+                seekToPreviousButtonEnabled = true,
+                onSeekToNextButtonClick = {},
+                seekToNextButtonEnabled = true,
+            )
+        }
+
+        // then
+        composeTestRule.onNodeWithContentDescription("Play")
+            .assertIsDisplayed()
+
+        composeTestRule.onNodeWithContentDescription("Pause")
+            .assertDoesNotExist()
+    }
+
+    @Test
+    fun givenIsNOTPlaying_whenPlayIsClicked_thenCorrectEventIsTriggered() {
+        // given
+        val playing = false
+        var clicked = false
+
+        composeTestRule.setContent {
+            MediaControlButtons(
+                onPlayButtonClick = { clicked = true },
+                onPauseButtonClick = {},
+                playPauseButtonEnabled = true,
+                playing = playing,
+                onSeekToPreviousButtonClick = {},
+                seekToPreviousButtonEnabled = true,
+                onSeekToNextButtonClick = {},
+                seekToNextButtonEnabled = true,
+            )
+        }
+
+        // when
+        composeTestRule.onNodeWithContentDescription("Play")
+            .performClick()
+
+        // then
+        // assert that the click event was assigned to the correct button
+        composeTestRule.waitUntil(timeoutMillis = 1_000) { clicked }
+    }
+
+    @Test
+    fun whenSeekToPreviousIsClicked_thenCorrectEventIsTriggered() {
+        // given
+        var clicked = false
+
+        composeTestRule.setContent {
+            MediaControlButtons(
+                onPlayButtonClick = {},
+                onPauseButtonClick = {},
+                playPauseButtonEnabled = true,
+                playing = false,
+                onSeekToPreviousButtonClick = { clicked = true },
+                seekToPreviousButtonEnabled = true,
+                onSeekToNextButtonClick = {},
+                seekToNextButtonEnabled = true,
+            )
+        }
+
+        // when
+        composeTestRule.onNodeWithContentDescription("Previous")
+            .performClick()
+
+        // then
+        // assert that the click event was assigned to the correct button
+        composeTestRule.waitUntil(timeoutMillis = 1_000) { clicked }
+    }
+
+    @Test
+    fun whenSeekToNextIsClicked_thenCorrectEventIsTriggered() {
+        // given
+        var clicked = false
+
+        composeTestRule.setContent {
+            MediaControlButtons(
+                onPlayButtonClick = {},
+                onPauseButtonClick = {},
+                playPauseButtonEnabled = true,
+                playing = false,
+                onSeekToPreviousButtonClick = {},
+                seekToPreviousButtonEnabled = true,
+                onSeekToNextButtonClick = { clicked = true },
+                seekToNextButtonEnabled = true,
+            )
+        }
+
+        // when
+        composeTestRule.onNodeWithContentDescription("Next")
+            .performClick()
+
+        // then
+        // assert that the click event was assigned to the correct button
+        composeTestRule.waitUntil(timeoutMillis = 1_000) { clicked }
+    }
+
+    @Test
+    fun givenNOPercentParam_thenNOProgressBarIsDisplayed() {
+        // given
+        composeTestRule.setContent {
+            MediaControlButtons(
+                onPlayButtonClick = {},
+                onPauseButtonClick = {},
+                playPauseButtonEnabled = true,
+                playing = false,
+                onSeekToPreviousButtonClick = {},
+                seekToPreviousButtonEnabled = true,
+                onSeekToNextButtonClick = {},
+                seekToNextButtonEnabled = true,
+            )
+        }
+
+        // then
+        composeTestRule.onNode(hasProgressBar())
+            .assertDoesNotExist()
+    }
+
+    @Test
+    fun givenIsPlayingAndPlayPauseEnabledIsTrue_thenPauseButtonIsEnabled() {
+        // given
+        val playing = true
+        val playPauseButtonEnabled = true
+
+        composeTestRule.setContent {
+            MediaControlButtons(
+                onPlayButtonClick = {},
+                onPauseButtonClick = {},
+                playPauseButtonEnabled = playPauseButtonEnabled,
+                playing = playing,
+                onSeekToPreviousButtonClick = {},
+                seekToPreviousButtonEnabled = false,
+                onSeekToNextButtonClick = {},
+                seekToNextButtonEnabled = false,
+            )
+        }
+
+        // then
+        composeTestRule.onNodeWithContentDescription("Pause")
+            .assertIsEnabled()
+
+        composeTestRule.onNodeWithContentDescription("Previous")
+            .assertIsNotEnabled()
+        composeTestRule.onNodeWithContentDescription("Next")
+            .assertIsNotEnabled()
+    }
+
+    @Test
+    fun givenIsNOTPlayingAndPlayPauseEnabledIsTrue_thenPlayButtonIsEnabled() {
+        // given
+        val playing = false
+        val playPauseButtonEnabled = true
+
+        composeTestRule.setContent {
+            MediaControlButtons(
+                onPlayButtonClick = {},
+                onPauseButtonClick = {},
+                playPauseButtonEnabled = playPauseButtonEnabled,
+                playing = playing,
+                onSeekToPreviousButtonClick = {},
+                seekToPreviousButtonEnabled = false,
+                onSeekToNextButtonClick = {},
+                seekToNextButtonEnabled = false,
+            )
+        }
+
+        // then
+        composeTestRule.onNodeWithContentDescription("Play")
+            .assertIsEnabled()
+
+        composeTestRule.onNodeWithContentDescription("Previous")
+            .assertIsNotEnabled()
+        composeTestRule.onNodeWithContentDescription("Next")
+            .assertIsNotEnabled()
+    }
+
+    @Test
+    fun givenSeekToPreviousButtonEnabledIsTrue_thenSeekToPreviousButtonIsEnabled() {
+        // given
+        val seekToPreviousButtonEnabled = true
+
+        composeTestRule.setContent {
+            MediaControlButtons(
+                onPlayButtonClick = {},
+                onPauseButtonClick = {},
+                playPauseButtonEnabled = false,
+                playing = false,
+                onSeekToPreviousButtonClick = {},
+                seekToPreviousButtonEnabled = seekToPreviousButtonEnabled,
+                onSeekToNextButtonClick = {},
+                seekToNextButtonEnabled = false,
+            )
+        }
+
+        // then
+        composeTestRule.onNodeWithContentDescription("Previous")
+            .assertIsEnabled()
+
+        composeTestRule.onNodeWithContentDescription("Play")
+            .assertIsNotEnabled()
+        composeTestRule.onNodeWithContentDescription("Next")
+            .assertIsNotEnabled()
+    }
+
+    @Test
+    fun givenSeekToNextButtonEnabledIsTrue_thenSeekToNextButtonIsEnabled() {
+        // given
+        val seekToNextButtonEnabled = true
+
+        composeTestRule.setContent {
+            MediaControlButtons(
+                onPlayButtonClick = {},
+                onPauseButtonClick = {},
+                playPauseButtonEnabled = false,
+                playing = false,
+                onSeekToPreviousButtonClick = {},
+                seekToPreviousButtonEnabled = false,
+                onSeekToNextButtonClick = {},
+                seekToNextButtonEnabled = seekToNextButtonEnabled,
+            )
+        }
+
+        // then
+        composeTestRule.onNodeWithContentDescription("Next")
+            .assertIsEnabled()
+
+        composeTestRule.onNodeWithContentDescription("Previous")
+            .assertIsNotEnabled()
+        composeTestRule.onNodeWithContentDescription("Play")
+            .assertIsNotEnabled()
+    }
+}