Function testNewRuntime

libimage/runtime_test.go:28–59

Create a new Runtime that can be used for testing. The second return value is a clean-up function that should be called by users to make sure all temporary test data gets removed.

(t *testing.T, options ...testNewRuntimeOptions)

// is a clean-up function that should be called by users to make sure all
// temporary test data gets removed.
func testNewRuntime(t *testing.T, options ...testNewRuntimeOptions) (runtime *Runtime, cleanup func()) {
	workdir, err := ioutil.TempDir("", "testStorageRuntime")
	require.NoError(t, err)
	storeOptions := &storage.StoreOptions{
		RunRoot:         workdir,
		GraphRoot:       workdir,
		GraphDriverName: "vfs",
	}

	// Make sure that the tests do not use the host's registries.conf.
	systemContext := &types.SystemContext{
		SystemRegistriesConfPath:    "testdata/registries.conf",
		SystemRegistriesConfDirPath: "/dev/null",
	}

	if len(options) == 1 && options[0].registriesConfPath != "" {
		systemContext.SystemRegistriesConfPath = options[0].registriesConfPath
	}

	runtime, err = RuntimeFromStoreOptions(&RuntimeOptions{SystemContext: systemContext}, storeOptions)
	require.NoError(t, err)
	require.Equal(t, runtime.systemContext.BigFilesTemporaryDir, tmpdir())

	cleanup = func() {
		runtime.Shutdown(true)
		_ = os.RemoveAll(workdir)
	}

	sys := runtime.SystemContext()
	require.NotNil(t, sys)
	return runtime, cleanup
}