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Add regression tests for rerunning Paparazzi #748

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Add regression tests for rerunning Paparazzi #748

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52 changes: 49 additions & 3 deletions ...zi/paparazzi-gradle-plugin/src/test/java/app/cash/paparazzi/gradle/PaparazziPluginTest.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ import app.cash.paparazzi.gradle.ImageSubject.Companion.assertThat
import com.google.common.truth.Truth.assertThat
import org.gradle.testkit.runner.BuildResult
import org.gradle.testkit.runner.GradleRunner
import org.gradle.testkit.runner.TaskOutcome.FAILED
import org.gradle.testkit.runner.TaskOutcome.FROM_CACHE
import org.gradle.testkit.runner.TaskOutcome.SUCCESS
import org.junit.Before
Expand Down Expand Up @@ -343,13 +344,13 @@ class PaparazziPluginTest {
}

@Test
fun rerunOnResourceChange() {
fun rerunRecordOnResourceChange() {
val fixtureRoot = File("src/test/projects/rerun-resource-change")

val snapshotsDir = File(fixtureRoot, "src/test/snapshots")
val snapshot = File(snapshotsDir, "images/app.cash.paparazzi.plugin.test_RecordTest_record.png")

val valuesDir = File(fixtureRoot, "src/main/res/values/")
val valuesDir = File(fixtureRoot, "src/main/res/values")
val destResourceFile = File(valuesDir, "colors.xml")
val firstResourceFile = File(fixtureRoot, "src/test/resources/colors1.xml")
val secondResourceFile = File(fixtureRoot, "src/test/resources/colors2.xml")
Expand Down Expand Up @@ -393,14 +394,59 @@ class PaparazziPluginTest {
valuesDir.deleteRecursively()
}

@Test
fun rerunVerifyOnResourceChange() {
val fixtureRoot = File("src/test/projects/rerun-resource-change")

val snapshotsDir = File(fixtureRoot, "src/test/snapshots")
snapshotsDir.deleteRecursively()
val valuesDir = File(fixtureRoot, "src/main/res/values")
valuesDir.deleteRecursively()

val destResourceFile = File(valuesDir, "colors.xml")
val firstResourceFile = File(fixtureRoot, "src/test/resources/colors1.xml")
val secondResourceFile = File(fixtureRoot, "src/test/resources/colors2.xml")

// Original resource
firstResourceFile.copyTo(destResourceFile, overwrite = false)

// Setup
gradleRunner
.withArguments("recordPaparazziDebug", "--stacktrace")
.runFixture(fixtureRoot) { build() }

// Take 1
val firstRunResult = gradleRunner
.withArguments("verifyPaparazziDebug", "--stacktrace")
.runFixture(fixtureRoot) { build() }

with(firstRunResult.task(":testDebugUnitTest")) {
assertThat(this).isNotNull()
assertThat(this!!.outcome).isEqualTo(SUCCESS) // not UP-TO-DATE
}

// Update resource
secondResourceFile.copyTo(destResourceFile, overwrite = true)

// Take 2
val secondRunResult = gradleRunner
.withArguments("verifyPaparazziDebug", "--stacktrace")
.runFixture(fixtureRoot) { buildAndFail() }

with(secondRunResult.task(":testDebugUnitTest")) {
assertThat(this).isNotNull()
assertThat(this!!.outcome).isEqualTo(FAILED) // not UP-TO-DATE
}
}

@Test
fun rerunOnAssetChange() {
val fixtureRoot = File("src/test/projects/rerun-asset-change")

val snapshotsDir = File(fixtureRoot, "src/test/snapshots")
val snapshot = File(snapshotsDir, "images/app.cash.paparazzi.plugin.test_RecordTest_record.png")

val assetsDir = File(fixtureRoot, "src/main/assets/")
val assetsDir = File(fixtureRoot, "src/main/assets")
val destAssetFile = File(assetsDir, "secret.txt")
val firstAssetFile = File(fixtureRoot, "src/test/resources/secret1.txt")
val secondAssetFile = File(fixtureRoot, "src/test/resources/secret2.txt")
Expand Down