CopyObfuscationMappingFileTaskTest.kt

TLDR

This file contains a test class CopyObfuscationMappingFileTaskTest that tests the functionality of the CopyObfuscationMappingFileTask class. The test class includes methods to test different scenarios such as throwing exceptions, copying and overwriting mapping files.

Classes

CopyObfuscationMappingFileTaskTest

This test class is used to test the functionality of the CopyObfuscationMappingFileTask class. It includes methods to test different scenarios such as throwing exceptions, copying and overwriting mapping files.

package com.squareup.leakcanary.deobfuscation

import org.assertj.core.api.Assertions.assertThat
import org.assertj.core.api.Assertions.assertThatExceptionOfType
import org.gradle.api.GradleException
import org.gradle.testfixtures.ProjectBuilder
import org.junit.Rule
import org.junit.Test
import org.junit.rules.TemporaryFolder
import java.io.File

class CopyObfuscationMappingFileTaskTest {

  @get:Rule
  val tempFolder = TemporaryFolder()

  private val task =
    ProjectBuilder
      .builder()
      .build()
      .tasks
      .create(
        "testCopyObfuscationMappingFileTask",
        CopyObfuscationMappingFileTask::class.java
      )

  @Test
  fun `should throw if mapping file and merge assets dir are not specified`() {
    assertThatExceptionOfType(GradleException::class.java)
      .isThrownBy { task.copyObfuscationMappingFile() }
  }

  @Test
  fun `should throw if mapping file is not specified`() {
    task.mergeAssetsDirectory.set(tempFolder.newFolder("mergeAssetsDir"))

    assertThatExceptionOfType(GradleException::class.java)
      .isThrownBy { task.copyObfuscationMappingFile() }
  }

  @Test
  fun `should throw if merge assets dir is not specified`() {
    task.mappingFile.set(tempFolder.newFile("mapping.txt"))

    assertThatExceptionOfType(GradleException::class.java)
      .isThrownBy { task.copyObfuscationMappingFile() }
  }

  @Test
  fun `existing mapping copied and merge assets dir generated if not exists`() {
    task.mappingFile.set(tempFolder.newFile("mapping.txt"))
    task.mergeAssetsDirectory.set(File(tempFolder.root, "mergeAssetsDir"))

    assertThat(task.mergeAssetsDirectory.get().exists()).isFalse()

    task.copyObfuscationMappingFile()

    assertThat(task.mergeAssetsDirectory.get().exists()).isTrue()
    assertThat(task.leakCanaryAssetsOutputFile.exists()).isTrue()
  }

  @Test
  fun `previous mapping overwritten`() {
    task.mergeAssetsDirectory.set(tempFolder.newFolder("mergeAssetsDir"))

    // create first mapping file
    task.mappingFile.set(tempFolder.newFile("firstMappingFile.txt")
      .apply {
        writeText("firstMappingFile")
      })
    task.copyObfuscationMappingFile()

    // create second mapping file
    task.mappingFile.set(tempFolder.newFile("secondMappingFile.txt")
      .apply {
        writeText("secondMappingFile")
      })
    task.copyObfuscationMappingFile()

    assertThat(task.leakCanaryAssetsOutputFile.exists()).isTrue()
    assertThat(task.leakCanaryAssetsOutputFile.readText()).isEqualTo("secondMappingFile")
  }
}