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| 1 | +/* |
| 2 | + * Copyright 2020 Square Inc. |
| 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 | + * http://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 | +@file:Suppress("TestFunctionName", "PrivatePropertyName") |
| 17 | + |
| 18 | +package com.squareup.workflow.ui.compose.tooling |
| 19 | + |
| 20 | +import androidx.compose.Composable |
| 21 | +import androidx.test.ext.junit.runners.AndroidJUnit4 |
| 22 | +import androidx.ui.core.Modifier |
| 23 | +import androidx.ui.foundation.Text |
| 24 | +import androidx.ui.layout.Column |
| 25 | +import androidx.ui.layout.size |
| 26 | +import androidx.ui.semantics.Semantics |
| 27 | +import androidx.ui.test.assertIsDisplayed |
| 28 | +import androidx.ui.test.assertIsNotDisplayed |
| 29 | +import androidx.ui.test.createComposeRule |
| 30 | +import androidx.ui.test.findByText |
| 31 | +import androidx.ui.tooling.preview.Preview |
| 32 | +import androidx.ui.unit.dp |
| 33 | +import com.squareup.workflow.Workflow |
| 34 | +import com.squareup.workflow.compose.composed |
| 35 | +import com.squareup.workflow.ui.ViewEnvironmentKey |
| 36 | +import com.squareup.workflow.ui.compose.showRendering |
| 37 | +import org.junit.Rule |
| 38 | +import org.junit.Test |
| 39 | +import org.junit.runner.RunWith |
| 40 | + |
| 41 | +/** |
| 42 | + * Duplicate of [PreviewViewFactoryTest] but for [com.squareup.workflow.compose.ComposeWorkflow]. |
| 43 | + */ |
| 44 | +@RunWith(AndroidJUnit4::class) |
| 45 | +class PreviewComposeWorkflowTest { |
| 46 | + |
| 47 | + @Rule @JvmField val composeRule = createComposeRule() |
| 48 | + |
| 49 | + @Test fun singleChild() { |
| 50 | + composeRule.setContent { |
| 51 | + ParentWithOneChildPreview() |
| 52 | + } |
| 53 | + |
| 54 | + findByText("one").assertIsDisplayed() |
| 55 | + findByText("two").assertIsDisplayed() |
| 56 | + } |
| 57 | + |
| 58 | + @Test fun twoChildren() { |
| 59 | + composeRule.setContent { |
| 60 | + ParentWithTwoChildrenPreview() |
| 61 | + } |
| 62 | + |
| 63 | + findByText("one").assertIsDisplayed() |
| 64 | + findByText("two").assertIsDisplayed() |
| 65 | + findByText("three").assertIsDisplayed() |
| 66 | + } |
| 67 | + |
| 68 | + @Test fun modifierIsApplied() { |
| 69 | + composeRule.setContent { |
| 70 | + ParentWithModifier() |
| 71 | + } |
| 72 | + |
| 73 | + // The view factory will be rendered with size (0,0), so it should be reported as not displayed. |
| 74 | + findByText("one").assertIsNotDisplayed() |
| 75 | + findByText("two").assertIsNotDisplayed() |
| 76 | + } |
| 77 | + |
| 78 | + @Test fun placeholderModifierIsApplied() { |
| 79 | + composeRule.setContent { |
| 80 | + ParentWithPlaceholderModifier() |
| 81 | + } |
| 82 | + |
| 83 | + // The child will be rendered with size (0,0), so it should be reported as not displayed. |
| 84 | + findByText("one").assertIsDisplayed() |
| 85 | + findByText("two").assertIsNotDisplayed() |
| 86 | + } |
| 87 | + |
| 88 | + @Test fun customViewEnvironment() { |
| 89 | + composeRule.setContent { |
| 90 | + ParentConsumesCustomKeyPreview() |
| 91 | + } |
| 92 | + |
| 93 | + findByText("foo").assertIsDisplayed() |
| 94 | + } |
| 95 | + |
| 96 | + private val ParentWithOneChild = |
| 97 | + Workflow.composed<Pair<String, String>, Nothing> { props, _, environment -> |
| 98 | + Column { |
| 99 | + Text(props.first) |
| 100 | + Semantics(container = true, mergeAllDescendants = true) { |
| 101 | + environment.showRendering(rendering = props.second) |
| 102 | + } |
| 103 | + } |
| 104 | + } |
| 105 | + |
| 106 | + @Preview @Composable private fun ParentWithOneChildPreview() { |
| 107 | + ParentWithOneChild.preview(Pair("one", "two")) |
| 108 | + } |
| 109 | + |
| 110 | + private val ParentWithTwoChildren = |
| 111 | + Workflow.composed<Triple<String, String, String>, Nothing> { props, _, environment -> |
| 112 | + Column { |
| 113 | + Semantics(container = true) { |
| 114 | + environment.showRendering(rendering = props.first) |
| 115 | + } |
| 116 | + Text(props.second) |
| 117 | + Semantics(container = true) { |
| 118 | + environment.showRendering(rendering = props.third) |
| 119 | + } |
| 120 | + } |
| 121 | + } |
| 122 | + |
| 123 | + @Preview @Composable private fun ParentWithTwoChildrenPreview() { |
| 124 | + ParentWithTwoChildren.preview(Triple("one", "two", "three")) |
| 125 | + } |
| 126 | + |
| 127 | + @Preview @Composable private fun ParentWithModifier() { |
| 128 | + ParentWithOneChild.preview( |
| 129 | + Pair("one", "two"), |
| 130 | + modifier = Modifier.size(0.dp) |
| 131 | + ) |
| 132 | + } |
| 133 | + |
| 134 | + @Preview @Composable private fun ParentWithPlaceholderModifier() { |
| 135 | + ParentWithOneChild.preview( |
| 136 | + Pair("one", "two"), |
| 137 | + placeholderModifier = Modifier.size(0.dp) |
| 138 | + ) |
| 139 | + } |
| 140 | + |
| 141 | + object TestEnvironmentKey : ViewEnvironmentKey<String>(String::class) { |
| 142 | + override val default: String get() = error("Not specified") |
| 143 | + } |
| 144 | + |
| 145 | + private val ParentConsumesCustomKey = Workflow.composed<Unit, Nothing> { _, _, environment -> |
| 146 | + Text(environment[TestEnvironmentKey]) |
| 147 | + } |
| 148 | + |
| 149 | + @Preview @Composable private fun ParentConsumesCustomKeyPreview() { |
| 150 | + ParentConsumesCustomKey.preview(Unit) { |
| 151 | + it + (TestEnvironmentKey to "foo") |
| 152 | + } |
| 153 | + } |
| 154 | +} |
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