1 files changed, 94 insertions, 0 deletions
diff --git a/src/test/java/com/google/devtools/build/lib/util/io/AnsiTerminalPrinterTest.java b/src/test/java/com/google/devtools/build/lib/util/io/AnsiTerminalPrinterTest.java
new file mode 100644
index 0000000000..d75208f40e
--- /dev/null
+++ b/src/test/java/com/google/devtools/build/lib/util/io/AnsiTerminalPrinterTest.java
@@ -0,0 +1,94 @@
+// Copyright 2014 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+package com.google.devtools.build.lib.util.io;
+
+import static com.google.devtools.build.lib.util.io.AnsiTerminalPrinter.Mode;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import com.google.devtools.build.lib.testutil.MoreAsserts;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+import java.io.ByteArrayOutputStream;
+
+/**
+ * A test for {@link AnsiTerminalPrinter}.
+ */
+@RunWith(JUnit4.class)
+public class AnsiTerminalPrinterTest {
+  private ByteArrayOutputStream stream;
+  private AnsiTerminalPrinter printer;
+
+  @Before
+  public void setUp() throws Exception {
+    stream = new ByteArrayOutputStream(1000);
+    printer = new AnsiTerminalPrinter(stream, true);
+  }
+
+  private void setPlainPrinter() {
+    printer = new AnsiTerminalPrinter(stream, false);
+  }
+
+  private void assertString(String string) {
+    assertEquals(string, stream.toString());
+  }
+
+  private void assertRegex(String regex) {
+    MoreAsserts.assertStdoutContainsRegex(regex, stream.toString(), "");
+  }
+
+  @Test
+  public void testPlainPrinter() throws Exception {
+    setPlainPrinter();
+    printer.print("1" + Mode.INFO + "2" + Mode.ERROR + "3" + Mode.WARNING + "4"
+        + Mode.DEFAULT + "5");
+    assertString("12345");
+  }
+
+  @Test
+  public void testDefaultModeIsDefault() throws Exception {
+    printer.print("1" + Mode.DEFAULT + "2");
+    assertString("12");
+  }
+
+  @Test
+  public void testDuplicateMode() throws Exception {
+    printer.print("_A_" + Mode.INFO);
+    printer.print("_B_" + Mode.INFO + "_C_");
+    assertRegex("^_A_.+_B__C_$");
+  }
+
+  @Test
+  public void testModeCodes() throws Exception {
+    printer.print(Mode.INFO + "XXX" + Mode.ERROR + "XXX" + Mode.WARNING +"XXX" + Mode.DEFAULT
+        + "XXX" + Mode.INFO + "XXX" + Mode.ERROR + "XXX" + Mode.WARNING +"XXX" + Mode.DEFAULT);
+    String[] codes = stream.toString().split("XXX");
+    assertEquals(8, codes.length);
+    for (int i = 0; i < 4; i++) {
+      assertTrue(codes[i].length() > 0);
+      assertEquals(codes[i], codes[i+4]);
+    }
+    assertFalse(codes[0].equals(codes[1]));
+    assertFalse(codes[0].equals(codes[2]));
+    assertFalse(codes[0].equals(codes[3]));
+    assertFalse(codes[1].equals(codes[2]));
+    assertFalse(codes[1].equals(codes[3]));
+    assertFalse(codes[2].equals(codes[3]));
+  }
+}