| /* |
| * Copyright 2019 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 |
| * |
| * 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 androidx.ui.test |
| |
| import android.os.Build |
| import androidx.activity.ComponentActivity |
| import androidx.test.ext.junit.rules.ActivityScenarioRule |
| import androidx.test.filters.MediumTest |
| import androidx.test.filters.SdkSuppress |
| import androidx.ui.core.Modifier |
| import androidx.ui.core.testTag |
| import androidx.compose.foundation.Box |
| import androidx.compose.foundation.background |
| import androidx.compose.ui.graphics.Color |
| import androidx.compose.foundation.layout.Column |
| import androidx.compose.foundation.layout.Row |
| import androidx.compose.foundation.layout.fillMaxSize |
| import androidx.compose.foundation.layout.padding |
| import androidx.compose.foundation.layout.preferredSize |
| import androidx.ui.test.android.AndroidComposeTestRule |
| import androidx.compose.ui.unit.IntOffset |
| import androidx.compose.ui.unit.IntSize |
| import com.google.common.truth.Truth.assertThat |
| import org.junit.Rule |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.Parameterized |
| |
| @MediumTest |
| @RunWith(Parameterized::class) |
| @SdkSuppress(minSdkVersion = Build.VERSION_CODES.O) |
| class BitmapCapturingTest(val config: TestConfig) { |
| data class TestConfig( |
| val activityClass: Class<out ComponentActivity> |
| ) |
| |
| companion object { |
| @JvmStatic |
| @Parameterized.Parameters(name = "{0}") |
| fun createTestSet(): List<TestConfig> = listOf( |
| TestConfig(ComponentActivity::class.java), |
| TestConfig(ActivityWithActionBar::class.java) |
| ) |
| } |
| |
| @get:Rule |
| val composeTestRule = AndroidComposeTestRule( |
| ActivityScenarioRule(config.activityClass) |
| ) |
| |
| private val rootTag = "Root" |
| private val tag11 = "Rect11" |
| private val tag12 = "Rect12" |
| private val tag21 = "Rect21" |
| private val tag22 = "Rect22" |
| |
| private val color11 = Color.Red |
| private val color12 = Color.Blue |
| private val color21 = Color.Green |
| private val color22 = Color.Yellow |
| private val colorBg = Color.Black |
| |
| @Test |
| fun captureIndividualRects_checkSizeAndColors() { |
| composeCheckerboard() |
| |
| var calledCount = 0 |
| onNodeWithTag(tag11) |
| .captureToBitmap() |
| .assertPixels(expectedSize = IntSize(100, 50)) { |
| calledCount++ |
| color11 |
| } |
| assertThat(calledCount).isEqualTo(100 * 50) |
| |
| onNodeWithTag(tag12) |
| .captureToBitmap() |
| .assertPixels(expectedSize = IntSize(100, 50)) { |
| color12 |
| } |
| onNodeWithTag(tag21) |
| .captureToBitmap() |
| .assertPixels(expectedSize = IntSize(100, 50)) { |
| color21 |
| } |
| onNodeWithTag(tag22) |
| .captureToBitmap() |
| .assertPixels(expectedSize = IntSize(100, 50)) { |
| color22 |
| } |
| } |
| |
| @Test |
| fun captureRootContainer_checkSizeAndColors() { |
| composeCheckerboard() |
| |
| onNodeWithTag(rootTag) |
| .captureToBitmap() |
| .assertPixels(expectedSize = IntSize(200, 100)) { |
| if (it.y >= 100 || it.x >= 200) { |
| throw AssertionError("$it is out of range!") |
| } |
| expectedColorProvider(it) |
| } |
| } |
| |
| @Test(expected = AssertionError::class) |
| fun assertWrongColor_expectException() { |
| composeCheckerboard() |
| |
| onNodeWithTag(tag11) |
| .captureToBitmap() |
| .assertPixels(expectedSize = IntSize(100, 50)) { |
| color22 // Assuming wrong color |
| } |
| } |
| |
| @Test(expected = AssertionError::class) |
| fun assertWrongSize_expectException() { |
| composeCheckerboard() |
| |
| onNodeWithTag(tag11) |
| .captureToBitmap() |
| .assertPixels(expectedSize = IntSize(10, 10)) { |
| color21 |
| } |
| } |
| |
| private fun expectedColorProvider(pos: IntOffset): Color { |
| if (pos.y < 50) { |
| if (pos.x < 100) { |
| return color11 |
| } else if (pos.x < 200) { |
| return color12 |
| } |
| } else if (pos.y < 100) { |
| if (pos.x < 100) { |
| return color21 |
| } else if (pos.x < 200) { |
| return color22 |
| } |
| } |
| return colorBg |
| } |
| |
| private fun composeCheckerboard() { |
| with(composeTestRule.density) { |
| composeTestRule.setContent { |
| Box(Modifier.fillMaxSize(), backgroundColor = colorBg) { |
| Box(Modifier.padding(top = 20.toDp()), backgroundColor = colorBg) { |
| Column(Modifier.testTag(rootTag)) { |
| Row { |
| Box( |
| Modifier |
| .testTag(tag11) |
| .preferredSize(100.toDp(), 50.toDp()) |
| .background(color = color11) |
| ) |
| Box(Modifier |
| .testTag(tag12) |
| .preferredSize(100.toDp(), 50.toDp()) |
| .background(color12) |
| ) |
| } |
| Row { |
| Box(Modifier |
| .testTag(tag21) |
| .preferredSize(100.toDp(), 50.toDp()) |
| .background(color21) |
| ) |
| Box(Modifier |
| .testTag(tag22) |
| .preferredSize(100.toDp(), 50.toDp()) |
| .background(color22) |
| ) |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| } |