# Guava Testlib: Google Testing Libraries for Java

Guava testlib is a set of Java classes for more convenient
unit testing.

## Adding Guava Testlib to your build

Guava testlib's Maven group ID is `com.google.guava` and its artifact ID is `guava-testlib`.

To add a dependency on Guava testlib using Maven, use the following:

```xml
<dependency>
  <groupId>com.google.guava</groupId>
  <artifactId>guava-testlib</artifactId>

    def "replaces original class with transformed in non-multi-release JAR"() {
        given:
        def original = jar(testDir.file("original.jar")) {
            manifest {}

            entry("Foo.class", ORIGINAL_CLASS)
        }

        def transformed = jar(testDir.file("transformed.jar")) {
            manifest {}

            entry("Foo.class", INSTRUMENTED_CLASS)
        }

                        attribute(TargetJvmVersion.TARGET_JVM_VERSION_ATTRIBUTE, JavaVersion.current().majorVersionNumber)
                    }
                    outgoing.capability('test:lib:1.0')
                    outgoing.capability('test:lib-fixtures:1.0')
                }
            }

            artifacts {
                testFixtures file("lib-test-fixtures.jar")
            }
        """

      try {
        File testFile = new File(testFileUrl.toURI());
        testDir = testFile.getParentFile(); // the testdata directory
      } catch (Exception ignore) {
        // probably URISyntaxException or IllegalArgumentException
        // fall back to copying URLs to files in the testDir == null block below
      }
    }

    if (testDir == null) {

            }
        """
    }

    private static String pluginTestJava() {
        """
            package org.example;

            import org.gradle.testkit.runner.GradleRunner;
            import org.gradle.testkit.runner.BuildResult;
            import org.junit.jupiter.api.Test;
            import org.junit.jupiter.api.io.TempDir;

            import java.io.File;

import org.gradle.test.fixtures.file.TestFile
import org.gradle.test.precondition.Requires
import org.gradle.test.preconditions.UnitTestPreconditions
import org.gradle.testkit.runner.GradleRunner
import org.gradle.testkit.runner.internal.ToolingApiGradleExecutor
import org.gradle.util.SetSystemProperties
import org.junit.Rule

@Requires(UnitTestPreconditions.NotWindows)

        "org/gradle/testfixtures/**",
        "org/gradle/testing/jacoco/**",
        "org/gradle/tooling/**",
        "org/gradle/swiftpm/**",
        "org/gradle/model/**",
        "org/gradle/testkit/**",
        "org/gradle/testing/**",
        "org/gradle/vcs/**",
        "org/gradle/work/**",
        "org/gradle/workers/**",

import org.gradle.api.JavaVersion
import org.gradle.integtests.fixtures.UnsupportedWithConfigurationCache
import org.gradle.util.GradleVersion
import org.gradle.util.internal.VersionNumber

import static org.gradle.testkit.runner.TaskOutcome.SUCCESS

@UnsupportedWithConfigurationCache(
    because = "The Gretty plugin does not support configuration caching"
)
class GrettySmokeTest extends AbstractPluginValidatingSmokeTest {

ftp> ls runner/
229 Entering Extended Passive Mode (|||39155|)
150 Opening ASCII mode data connection for file list
drwxrwxrwx 1 nobody nobody            0 Jan  1 00:00 chunkdocs/
drwxrwxrwx 1 nobody nobody            0 Jan  1 00:00 testdir/
...
```

Following example shows how to list an object and download it locally via `ftp` client:

```
ftp> ls runner/chunkdocs/metadata
229 Entering Extended Passive Mode (|||44269|)

    }
    integTestDistributionRuntimeOnly(project(":distributions-full")) {
        because("Includes tests for builds with the enterprise plugin and TestKit involved; ConfigurationCacheJacocoIntegrationTest requires JVM distribution")
    }
    crossVersionTestDistributionRuntimeOnly(project(":distributions-core"))
}

packageCycles {