List Java Instru Test Information From JUnit Runner

base/test/android/junit/src/org/chromium/base/test/TestListInstrumentationRunListenerTest.java

Index: base/test/android/junit/src/org/chromium/base/test/TestListInstrumentationRunListenerTest.java
diff --git a/base/test/android/junit/src/org/chromium/base/test/TestListInstrumentationRunListenerTest.java b/base/test/android/junit/src/org/chromium/base/test/TestListInstrumentationRunListenerTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..da6e4df132b0aea7135ea3fe58c6f3aea1d7736e
--- /dev/null
+++ b/base/test/android/junit/src/org/chromium/base/test/TestListInstrumentationRunListenerTest.java
@@ -0,0 +1,120 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.base.test;
+
+import static org.chromium.base.test.TestListInstrumentationRunListener.getAnnotationJSON;
+import static org.chromium.base.test.TestListInstrumentationRunListener.getTestMethodJSON;
+
+import org.json.JSONObject;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.Description;
+import org.junit.runner.RunWith;
+import org.robolectric.annotation.Config;
+
+import org.chromium.base.test.util.CommandLineFlags;
+import org.chromium.testing.local.LocalRobolectricTestRunner;
+
+import java.util.Arrays;
+
+/**
+ * Robolectric test to ensure static methods in TestListInstrumentationRunListener works properly.
+ */
+@RunWith(LocalRobolectricTestRunner.class)
+@Config(manifest = Config.NONE)
+public class TestListInstrumentationRunListenerTest {
+    @CommandLineFlags.Add("hello")
+    private static class ParentClass {
+        public void testA() {}
+
+        @CommandLineFlags.Add("world")
+        public void testB() {}
+    }
+
+    @CommandLineFlags.Remove("hello")
+    private static class ChildClass extends ParentClass {
+    }
+
+    @Test
+    public void testGetTestMethodJSON_testA() throws Throwable {
+        Description desc = Description.createTestDescription(
+                ParentClass.class, "testA",
+                ParentClass.class.getMethod("testA").getAnnotations());
+        JSONObject json = getTestMethodJSON(desc);
+        String expectedJsonString =
+                "{"
+                + "'method': 'testA',"
+                + "'annotations': {}"
+                + "}";
+        expectedJsonString = expectedJsonString
+            .replaceAll("\\s", "")
+            .replaceAll("'", "\"");
+        Assert.assertEquals(expectedJsonString, json.toString());
+    }
+
+    @Test
+    public void testGetTestMethodJSON_testB() throws Throwable {
+        Description desc = Description.createTestDescription(
+                ParentClass.class, "testB",
+                ParentClass.class.getMethod("testB").getAnnotations());
+        JSONObject json = getTestMethodJSON(desc);
+        String expectedJsonString =
+                "{"
+                + "'method': 'testB',"
+                + "'annotations': {"
+                + "  'Add': {"
+                + "    'value': ['world']"
+                + "    }"
+                + "  }"
+                + "}";
+        expectedJsonString = expectedJsonString
+            .replaceAll("\\s", "")
+            .replaceAll("'", "\"");
+        Assert.assertEquals(expectedJsonString, json.toString());
+    }
+
+
+    @Test
+    public void testGetTestMethodJSONForInheritedClass() throws Throwable {
+        Description desc = Description.createTestDescription(
+                ChildClass.class, "testB",
+                ChildClass.class.getMethod("testB").getAnnotations());
+        JSONObject json = getTestMethodJSON(desc);
+        String expectedJsonString =
+                "{"
+                + "'method': 'testB',"
+                + "'annotations': {"
+                + "  'Add': {"
+                + "    'value': ['world']"
+                + "    }"
+                + "  }"
+                + "}";
+        expectedJsonString = expectedJsonString
+            .replaceAll("\\s", "")
+            .replaceAll("'", "\"");
+        Assert.assertEquals(expectedJsonString, json.toString());
+    }
+
+    @Test
+    public void testGetAnnotationJSONForParentClass() throws Throwable {
+        JSONObject json = getAnnotationJSON(Arrays.asList(ParentClass.class.getAnnotations()));
+        String expectedJsonString = "{'Add':{'value':['hello']}}";
+        expectedJsonString = expectedJsonString
+            .replaceAll("\\s", "")
+            .replaceAll("'", "\"");
+        Assert.assertEquals(expectedJsonString, json.toString());
+    }
+
+    @Test
+    public void testGetAnnotationJSONForChildClass() throws Throwable {
+        JSONObject json = getAnnotationJSON(Arrays.asList(ChildClass.class.getAnnotations()));
+        String expectedJsonString = "{'Add':{'value':['hello']},'Remove':{'value':['hello']}}";
+        expectedJsonString = expectedJsonString
+            .replaceAll("\\s", "")
+            .replaceAll("'", "\"");
+        Assert.assertEquals(expectedJsonString, json.toString());
+    }
+}
+