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Add tests for DesignSystemDetector lint
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‎lint/src/test/kotlin/com/google/samples/apps/nowinandroid/lint/designsystem/DesignSystemDetectorTest.kt‎

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/*
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* Copyright 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.samples.apps.nowinandroid.lint.designsystem
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import com.android.tools.lint.checks.infrastructure.TestFile
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import com.android.tools.lint.checks.infrastructure.TestFiles.kotlin
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import com.android.tools.lint.checks.infrastructure.TestLintTask.lint
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import com.google.samples.apps.nowinandroid.lint.designsystem.DesignSystemDetector.Companion.ISSUE
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import com.google.samples.apps.nowinandroid.lint.designsystem.DesignSystemDetector.Companion.METHOD_NAMES
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import com.google.samples.apps.nowinandroid.lint.designsystem.DesignSystemDetector.Companion.RECEIVER_NAMES
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import org.junit.Test
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class DesignSystemDetectorTest {
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@Test
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fun `detect replacements of Composable`() {
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lint()
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.issues(ISSUE)
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.allowMissingSdk()
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.files(
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COMPOSABLE_STUB,
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STUBS,
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kotlin(
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"""
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|import androidx.compose.runtime.Composable
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|
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|@Composable
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|fun App() {
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${METHOD_NAMES.keys.joinToString("\n") { "| $it()" }}
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|}
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""".trimMargin(),
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).indented(),
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)
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.run()
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.expect(
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"""
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src/test.kt:5: Error: Using MaterialTheme instead of NiaTheme [DesignSystem]
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MaterialTheme()
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~~~~~~~~~~~~~~~
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src/test.kt:6: Error: Using Button instead of NiaButton [DesignSystem]
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Button()
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~~~~~~~~
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src/test.kt:7: Error: Using OutlinedButton instead of NiaOutlinedButton [DesignSystem]
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OutlinedButton()
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~~~~~~~~~~~~~~~~
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src/test.kt:8: Error: Using TextButton instead of NiaTextButton [DesignSystem]
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TextButton()
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~~~~~~~~~~~~
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src/test.kt:9: Error: Using FilterChip instead of NiaFilterChip [DesignSystem]
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FilterChip()
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~~~~~~~~~~~~
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src/test.kt:10: Error: Using ElevatedFilterChip instead of NiaFilterChip [DesignSystem]
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ElevatedFilterChip()
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~~~~~~~~~~~~~~~~~~~~
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src/test.kt:11: Error: Using NavigationBar instead of NiaNavigationBar [DesignSystem]
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NavigationBar()
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~~~~~~~~~~~~~~~
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src/test.kt:12: Error: Using NavigationBarItem instead of NiaNavigationBarItem [DesignSystem]
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NavigationBarItem()
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~~~~~~~~~~~~~~~~~~~
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src/test.kt:13: Error: Using NavigationRail instead of NiaNavigationRail [DesignSystem]
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NavigationRail()
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~~~~~~~~~~~~~~~~
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src/test.kt:14: Error: Using NavigationRailItem instead of NiaNavigationRailItem [DesignSystem]
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NavigationRailItem()
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~~~~~~~~~~~~~~~~~~~~
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src/test.kt:15: Error: Using TabRow instead of NiaTabRow [DesignSystem]
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TabRow()
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~~~~~~~~
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src/test.kt:16: Error: Using Tab instead of NiaTab [DesignSystem]
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Tab()
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~~~~~
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src/test.kt:17: Error: Using IconToggleButton instead of NiaIconToggleButton [DesignSystem]
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IconToggleButton()
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~~~~~~~~~~~~~~~~~~
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src/test.kt:18: Error: Using FilledIconToggleButton instead of NiaIconToggleButton [DesignSystem]
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FilledIconToggleButton()
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~~~~~~~~~~~~~~~~~~~~~~~~
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src/test.kt:19: Error: Using FilledTonalIconToggleButton instead of NiaIconToggleButton [DesignSystem]
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FilledTonalIconToggleButton()
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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src/test.kt:20: Error: Using OutlinedIconToggleButton instead of NiaIconToggleButton [DesignSystem]
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OutlinedIconToggleButton()
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~~~~~~~~~~~~~~~~~~~~~~~~~~
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src/test.kt:21: Error: Using CenterAlignedTopAppBar instead of NiaTopAppBar [DesignSystem]
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CenterAlignedTopAppBar()
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~~~~~~~~~~~~~~~~~~~~~~~~
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src/test.kt:22: Error: Using SmallTopAppBar instead of NiaTopAppBar [DesignSystem]
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SmallTopAppBar()
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~~~~~~~~~~~~~~~~
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src/test.kt:23: Error: Using MediumTopAppBar instead of NiaTopAppBar [DesignSystem]
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MediumTopAppBar()
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~~~~~~~~~~~~~~~~~
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src/test.kt:24: Error: Using LargeTopAppBar instead of NiaTopAppBar [DesignSystem]
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LargeTopAppBar()
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~~~~~~~~~~~~~~~~
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20 errors, 0 warnings
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""".trimIndent(),
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)
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}
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@Test
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fun `detect replacements of Receiver`() {
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lint()
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.issues(ISSUE)
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.allowMissingSdk()
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.files(
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COMPOSABLE_STUB,
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STUBS,
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kotlin(
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"""
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|fun main() {
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${RECEIVER_NAMES.keys.joinToString("\n") { "| $it.toString()" }}
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|}
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""".trimMargin(),
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).indented(),
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)
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.run()
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.expect(
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"""
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src/test.kt:2: Error: Using Icons instead of NiaIcons [DesignSystem]
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Icons.toString()
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~~~~~~~~~~~~~~~~
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1 errors, 0 warnings
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""".trimIndent(),
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)
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}
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private companion object {
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private val COMPOSABLE_STUB: TestFile = kotlin(
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"""
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package androidx.compose.runtime
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annotation class Composable
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""".trimIndent(),
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).indented()
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private val STUBS: TestFile = kotlin(
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"""
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|import androidx.compose.runtime.Composable
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|
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${METHOD_NAMES.keys.joinToString("\n") { "|@Composable fun $it() = {}" }}
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${RECEIVER_NAMES.keys.joinToString("\n") { "|object $it" }}
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|
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""".trimMargin(),
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).indented()
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}
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}

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