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| 1 | +/* |
| 2 | + * Copyright 2026 Google LLC |
| 3 | + * |
| 4 | + * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | + * you may not use this file except in compliance with the License. |
| 6 | + * You may obtain a copy of the License at |
| 7 | + * |
| 8 | + * https://www.apache.org/licenses/LICENSE-2.0 |
| 9 | + * |
| 10 | + * Unless required by applicable law or agreed to in writing, software |
| 11 | + * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | + * See the License for the specific language governing permissions and |
| 14 | + * limitations under the License. |
| 15 | + */ |
| 16 | +package org.groundplatform.android.ui.datacollection.components |
| 17 | + |
| 18 | +import android.content.Context |
| 19 | +import android.graphics.Bitmap |
| 20 | +import android.graphics.drawable.BitmapDrawable |
| 21 | +import android.net.Uri |
| 22 | +import androidx.compose.foundation.layout.requiredSize |
| 23 | +import androidx.compose.ui.Modifier |
| 24 | +import androidx.compose.ui.layout.Layout |
| 25 | +import androidx.compose.ui.unit.Constraints |
| 26 | +import androidx.compose.ui.unit.dp |
| 27 | +import androidx.test.core.app.ApplicationProvider |
| 28 | +import coil.Coil |
| 29 | +import coil.ImageLoader |
| 30 | +import coil.decode.DataSource |
| 31 | +import coil.request.ImageRequest |
| 32 | +import coil.request.SuccessResult |
| 33 | +import coil.size.Dimension.Pixels |
| 34 | +import coil.size.Scale |
| 35 | +import com.google.common.truth.Truth.assertThat |
| 36 | +import dagger.hilt.android.testing.HiltAndroidTest |
| 37 | +import kotlinx.coroutines.ExperimentalCoroutinesApi |
| 38 | +import org.groundplatform.android.BaseHiltTest |
| 39 | +import org.junit.After |
| 40 | +import org.junit.Before |
| 41 | +import org.junit.Test |
| 42 | +import org.junit.runner.RunWith |
| 43 | +import org.robolectric.RobolectricTestRunner |
| 44 | +import org.robolectric.annotation.Config |
| 45 | + |
| 46 | +@HiltAndroidTest |
| 47 | +@RunWith(RobolectricTestRunner::class) |
| 48 | +@OptIn(ExperimentalCoroutinesApi::class) |
| 49 | +@Config(qualifiers = "w480dp-h1080dp-mdpi") |
| 50 | +class UriImageTest : BaseHiltTest() { |
| 51 | + |
| 52 | + private lateinit var context: Context |
| 53 | + private val capturedRequests = mutableListOf<ImageRequest>() |
| 54 | + |
| 55 | + @Before |
| 56 | + override fun setUp() { |
| 57 | + super.setUp() |
| 58 | + |
| 59 | + context = ApplicationProvider.getApplicationContext() |
| 60 | + capturedRequests.clear() |
| 61 | + |
| 62 | + setupImageLoader() |
| 63 | + } |
| 64 | + |
| 65 | + @After |
| 66 | + fun tearDown() { |
| 67 | + // Reset ImageLoader to avoid leaking state between tests |
| 68 | + Coil.setImageLoader(ImageLoader(context)) |
| 69 | + } |
| 70 | + |
| 71 | + @Test |
| 72 | + fun uriImage_nullUri_doesNotLoadImage() = runWithTestDispatcher { |
| 73 | + composeTestRule.setContent { UriImage(uri = null) } |
| 74 | + |
| 75 | + assertThat(capturedRequests).isEmpty() |
| 76 | + } |
| 77 | + |
| 78 | + @Test |
| 79 | + fun uriImage_loadsImageWithCorrectSpecs() = runWithTestDispatcher { |
| 80 | + composeTestRule.setContent { |
| 81 | + UriImage(uri = URI, modifier = Modifier.requiredSize(100.dp, 100.dp)) |
| 82 | + } |
| 83 | + |
| 84 | + composeTestRule.waitForIdle() |
| 85 | + |
| 86 | + verifyImageDimensions(100, 100) |
| 87 | + } |
| 88 | + |
| 89 | + @Test |
| 90 | + fun uriImage_largeBoundedSize_isCoercedToMaxImageSize() = runWithTestDispatcher { |
| 91 | + composeTestRule.setContent { |
| 92 | + UriImage(uri = URI, modifier = Modifier.requiredSize(3000.dp, 3000.dp)) |
| 93 | + } |
| 94 | + composeTestRule.waitForIdle() |
| 95 | + |
| 96 | + verifyImageDimensions(MAX_IMAGE_SIZE, MAX_IMAGE_SIZE) |
| 97 | + } |
| 98 | + |
| 99 | + @Test |
| 100 | + fun uriImage_unboundedSize_usesHalvedDisplayMetrics() = runWithTestDispatcher { |
| 101 | + composeTestRule.setContent { |
| 102 | + Layout(content = { UriImage(uri = URI) }) { measurables, _ -> |
| 103 | + val constraints = Constraints() |
| 104 | + val placeable = measurables[0].measure(constraints) |
| 105 | + layout(placeable.width, placeable.height) { placeable.place(0, 0) } |
| 106 | + } |
| 107 | + } |
| 108 | + composeTestRule.waitForIdle() |
| 109 | + |
| 110 | + verifyImageDimensions(240, 540) |
| 111 | + } |
| 112 | + |
| 113 | + private fun setupImageLoader() { |
| 114 | + val imageLoader = |
| 115 | + ImageLoader.Builder(context) |
| 116 | + .components { |
| 117 | + add { chain -> |
| 118 | + capturedRequests.add(chain.request) |
| 119 | + SuccessResult( |
| 120 | + drawable = |
| 121 | + BitmapDrawable( |
| 122 | + context.resources, |
| 123 | + Bitmap.createBitmap(1, 1, Bitmap.Config.ARGB_8888), |
| 124 | + ), |
| 125 | + request = chain.request, |
| 126 | + dataSource = DataSource.MEMORY_CACHE, |
| 127 | + ) |
| 128 | + } |
| 129 | + } |
| 130 | + .build() |
| 131 | + |
| 132 | + Coil.setImageLoader(imageLoader) |
| 133 | + } |
| 134 | + |
| 135 | + private suspend fun verifyImageDimensions(width: Int, height: Int) { |
| 136 | + assertThat(capturedRequests).hasSize(1) |
| 137 | + |
| 138 | + val request = capturedRequests.first() |
| 139 | + assertThat(request.data).isEqualTo(URI) |
| 140 | + assertThat(request.scale).isEqualTo(Scale.FIT) |
| 141 | + assertThat(request.sizeResolver).isNotNull() |
| 142 | + |
| 143 | + // Check that transitionFactory is set (implies crossfade was called) |
| 144 | + assertThat(request.transitionFactory).isNotNull() |
| 145 | + |
| 146 | + val size = request.sizeResolver.size() |
| 147 | + assertThat((size.width as Pixels).px).isEqualTo(width) |
| 148 | + assertThat((size.height as Pixels).px).isEqualTo(height) |
| 149 | + } |
| 150 | + |
| 151 | + companion object { |
| 152 | + private val URI = Uri.parse("content://test/image.jpg") |
| 153 | + } |
| 154 | +} |
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