Benchmark part 3: main stuff

--
PiperOrigin-RevId: 146240366
MOS_MIGRATED_REVID=146240366

2 files changed, 60 insertions, 0 deletions

diff --git a/src/tools/benchmark/javatests/com/google/devtools/build/benchmark/BUILD b/src/tools/benchmark/javatests/com/google/devtools/build/benchmark/BUILD
index f2bc4e85b4..b70bebb4aa 100644
--- a/src/tools/benchmark/javatests/com/google/devtools/build/benchmark/BUILD
+++ b/src/tools/benchmark/javatests/com/google/devtools/build/benchmark/BUILD
@@ -1,6 +1,16 @@
 package(default_visibility = ["//src/tools/benchmark:__subpackages__"])
 
 java_test(
+    name = "MainTest",
+    srcs = ["MainTest.java"],
+    deps = [
+        "//src/main/java/com/google/devtools/common/options",
+        "//src/tools/benchmark/java/com/google/devtools/build/benchmark:benchmark_lib",
+        "//third_party:junit4",
+    ],
+)
+
+java_test(
     name = "BazelBuildCaseTest",
     srcs = ["BazelBuildCaseTest.java"],
     deps = [
diff --git a/src/tools/benchmark/javatests/com/google/devtools/build/benchmark/MainTest.java b/src/tools/benchmark/javatests/com/google/devtools/build/benchmark/MainTest.java
new file mode 100644
index 0000000000..015c2f6325
--- /dev/null
+++ b/src/tools/benchmark/javatests/com/google/devtools/build/benchmark/MainTest.java
@@ -0,0 +1,50 @@
+// Copyright 2017 The Bazel Authors. 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.benchmark;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
+
+import com.google.devtools.common.options.OptionsParsingException;
+import java.io.IOException;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/** Test for {@link Main}. */
+@RunWith(JUnit4.class)
+public class MainTest {
+
+  @Test
+  public void testParseArgsMissingArgs() throws OptionsParsingException, IOException {
+    try {
+      Main.parseArgs(new String[] {"--workspace=workspace", "--from=1"});
+      fail("Should throw IllegalArgumentException");
+    } catch (IllegalArgumentException e) {
+      assertEquals("Argument value should not be empty.", e.getMessage());
+    }
+  }
+
+  @Test
+  public void testParseArgsCorrect() throws OptionsParsingException, IOException {
+    BenchmarkOptions opt =
+        Main.parseArgs(
+            new String[] {"--output=output", "--workspace=workspace", "--from=1", "--to=3"});
+    assertEquals(opt.output, "output");
+    assertEquals(opt.workspace, "workspace");
+    assertEquals(opt.from, "1");
+    assertEquals(opt.to, "3");
+  }
+}