BeASymlink asserts that a file is a symlink and the link points to a given target.

CopyDirectory copies source to destination recursively.

CopyFile copies source to destination.

CopySymlink copies source to destination.

HaveAppendBuildEnvironment tests that a layer has an append build environment variable with the expected content.

HaveAppendLaunchEnvironment tests that a layer has an append launch environment variable with the expected content.

HaveAppendSharedEnvironment tests that a layer has an append shared environment variable with the expected content.

HaveApplicationMetadata tests that an application metadata has expected content.

HaveContent tests that a file has expected content.

HaveContent tests that a file has expected content.

HaveDefaultBuildEnvironment tests that a layer has a default build environment variable with the expected content.

HaveDefaultLaunchEnvironment tests that a layer has a default launch environment variable with the expected content.

HaveDefaultSharedEnvironment tests that a layer has a default shared environment variable with the expected content.

HaveDelimiterBuildEnvironment tests that a layer has a delimiter for a build environment variable with the expected content.

HaveDelimiterLaunchEnvironment tests that a layer has a delimiter for a launch environment variable with the expected content.

HaveDelimiterSharedEnvironment tests that a layer has a delimiter for a shared environment variable with the expected content.

HaveLayerMetadata tests that a layer has a specific metadata configuration.

HaveLayerVersion tests that a layer has a specific version.

HaveOverrideBuildEnvironment tests that a layer has an override build environment variable with the expected content.

HaveOverrideLaunchEnvironment tests that a layer has an override launch environment variable with the expected content.

HaveOverrideSharedEnvironment tests that a layer has an override shared environment variable with the expected content.

HavePersistentMetadata tests that an persistent metadata has expected content.

HavePlans tests that a set of plans is returned from detect.

HavePrependBuildEnvironment tests that a layer has a prepend build environment variable with the expected content.

HavePrependLaunchEnvironment tests that a layer has a prepend launch environment variable with the expected content.

HavePrependPathBuildEnvironment tests that a layer has a prepend path build environment variable with the expected content.

HavePrependPathLaunchEnvironment tests that a layer has a prepend path launch environment variable with the expected content.

HavePrependPathSharedEnvironment tests that a layer has a prepend path shared environment variable with the expected content.

HavePrependSharedEnvironment tests that a layer has a prepend shared environment variable with the expected content.

HaveProfile tests that a layer has a profile.d file with the expected content.

NewBuildFactory creates a new instance of BuildFactory.

NewDetectFactory creates a new instance of DetectFactory.

ReplaceEnv replaces an environment variable.

ScratchDir returns a safe scratch directory for tests to modify.

TouchFile writes a zero-length file during testing.

WriteFile writes a file during testing.

WriteFileFromReader writes a file with the given content from a io.Reader.

WriteFileWithPerm writes a file with specific permissions during testing.

WriteSymlink creates newName as a symbolic link to oldName.

BuildFactory is a factory for creating a test Build.

DetectFactory is a factory for creating a test Detect.

Runner is an implementation of helper.Runner that collects commands and returns output.