var tests = []struct {
		name          string
		action        core.Action
		expectedBytes []byte
		buf           *bytes.Buffer
	}{
		{
			name:   "action GET on services",
			action: core.NewGetAction(schema.GroupVersionResource{Version: "v1", Resource: "services"}, "default", "kubernetes"),
			expectedBytes: []byte(`[dryrun] Would perform action GET on resource "services" in API group "core/v1"

    // ensures that the number of invocations looks sane
    void assertInvariants(int expectedBytes) {
      // we should have seen as many bytes as the next multiple of chunk after expectedBytes - 1
      assertEquals(out.toByteArray().length, ceilToMultiple(expectedBytes, chunkSize));
      assertEquals(expectedBytes / chunkSize, processCalled);
      assertEquals(expectedBytes % chunkSize != 0, remainingCalled);
    }

	var tests = []struct {
		name          string
		cfg           *kubeadmapi.ClusterConfiguration
		buf           *bytes.Buffer
		expectedBytes []byte
	}{
		{
			name:          "config is nil",
			cfg:           nil,
			expectedBytes: []byte(""),
		},
		{
			name: "cluster config with local Etcd",
			cfg: &kubeadmapi.ClusterConfiguration{
				KubernetesVersion: "v1.7.1",

    // ensures that the number of invocations looks sane
    void assertInvariants(int expectedBytes) {
      // we should have seen as many bytes as the next multiple of chunk after expectedBytes - 1
      assertEquals(out.toByteArray().length, ceilToMultiple(expectedBytes, chunkSize));
      assertEquals(expectedBytes / chunkSize, processCalled);
      assertEquals(expectedBytes % chunkSize != 0, remainingCalled);
    }

    }


    def assertReads(InputStream instr, String expected) {
        def expectedBytes = expected.bytes
        def buffer = new byte[expectedBytes.length]
        def remaining = expectedBytes.length
        while (remaining > 0) {
            def nread = instr.read(buffer, expectedBytes.length - remaining, remaining)
            assertTrue(nread > 0)
            remaining -= nread
        }

    verifyNoMoreInteractions(hashFunction, hasher);
  }

  public void testRead_putByteArrayOutOfBound() throws Exception {
    byte[] buf = new byte[100];
    byte[] expectedBytes = buf.clone();
    System.arraycopy(testBytes, 0, expectedBytes, 0, testBytes.length);

    HashingInputStream in = new HashingInputStream(hashFunction, buffer);

    int numOfByteRead = in.read(buf, 0, 100);
    assertEquals(4, numOfByteRead);

    verifyNoMoreInteractions(hashFunction, hasher);
  }

  public void testRead_putByteArrayOutOfBound() throws Exception {
    byte[] buf = new byte[100];
    byte[] expectedBytes = buf.clone();
    System.arraycopy(testBytes, 0, expectedBytes, 0, testBytes.length);

    HashingInputStream in = new HashingInputStream(hashFunction, buffer);

    int numOfByteRead = in.read(buf, 0, 100);
    assertEquals(4, numOfByteRead);

	if eic.writer != nil {
		// only record the write error, do not cover the command run error
		if p, err := eic.writer.Write(data); err != nil {
			klog.ErrorS(err, "Unable to write all bytes from execInContainer", "expectedBytes", len(data), "actualBytes", p)
		}
	}
	return err
}

func (eic *execInContainer) Wait() error {
	return nil
}

func (eic *execInContainer) StdoutPipe() (io.ReadCloser, error) {