Cronet smoke tests

components/cronet/android/test/smoketests/src/org/chromium/net/smoke/CronetSmokeTestCase.java

Index: components/cronet/android/test/smoketests/src/org/chromium/net/smoke/CronetSmokeTestCase.java
diff --git a/components/cronet/android/test/smoketests/src/org/chromium/net/smoke/CronetSmokeTestCase.java b/components/cronet/android/test/smoketests/src/org/chromium/net/smoke/CronetSmokeTestCase.java
new file mode 100644
index 0000000000000000000000000000000000000000..dd2f7ad2e5798eef9b9558f7f8cc026f340a8595
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+++ b/components/cronet/android/test/smoketests/src/org/chromium/net/smoke/CronetSmokeTestCase.java
@@ -0,0 +1,90 @@
+// Copyright 2016 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.net.smoke;
+
+import android.content.Context;
+import android.test.AndroidTestCase;
+
+import org.chromium.net.CronetEngine;
+import org.chromium.net.ExperimentalCronetEngine;
+import org.chromium.net.UrlResponseInfo;
+
+/**
+ * Base test class. This class should not import any classes from the org.chromium.base package.
+ */
+public class CronetSmokeTestCase extends AndroidTestCase {
+    /**
+     * The key in the string resource file that specifies {@link TestSupport} that should
+     * be instantiated.
+     */
+    private static final String SUPPORT_IMPL_RES_KEY = "TestSupportImplClass";
+
+    protected ExperimentalCronetEngine.Builder mCronetEngineBuilder;
+    protected CronetEngine mCronetEngine;
+    protected TestSupport mTestSupport;
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        mCronetEngineBuilder = new ExperimentalCronetEngine.Builder(getContext());
+        initTestSupport();
+    }
+
+    @Override
+    protected void tearDown() throws Exception {
+        if (mCronetEngine != null) {
+            mCronetEngine.shutdown();
+        }
+        super.tearDown();
+    }
+
+    protected void initCronetEngine() {
+        mCronetEngine = mCronetEngineBuilder.build();
+    }
+
+    static void assertSuccessfulNonEmptyResponse(SmokeTestRequestCallback callback, String url) {
+        // Check the request state
+        if (callback.getFinalState() == SmokeTestRequestCallback.State.Failed) {
+            throw new RuntimeException(
+                    "The request failed with an error", callback.getFailureError());
+        }
+        assertEquals(SmokeTestRequestCallback.State.Succeeded, callback.getFinalState());
+
+        // Check the response info
+        UrlResponseInfo responseInfo = callback.getResponseInfo();
+        assertNotNull(responseInfo);
+        assertFalse(responseInfo.wasCached());
+        assertEquals(url, responseInfo.getUrl());
+        assertEquals(url, responseInfo.getUrlChain().get(responseInfo.getUrlChain().size() - 1));
+        assertEquals(200, responseInfo.getHttpStatusCode());
+        assertTrue(responseInfo.toString().length() > 0);
+    }
+
+    static void assertJavaEngine(CronetEngine engine) {
+        assertNotNull(engine);
+        assertEquals("org.chromium.net.impl.JavaCronetEngine", engine.getClass().getName());
+    }
+
+    static void assertNativeEngine(CronetEngine engine) {
+        assertNotNull(engine);
+        assertEquals("org.chromium.net.impl.CronetUrlRequestContext", engine.getClass().getName());
+    }
+
+    /**
+     * Instantiates a concrete implementation of {@link TestSupport} interface.
+     * The name of the implementation class is determined dynamically by reading
+     * the value of |TestSupportImplClass| from the Android string resource file.
+     *
+     * @throws Exception if the class cannot be instantiated.
+     */
+    private void initTestSupport() throws Exception {
+        Context ctx = getContext();
+        String packageName = ctx.getPackageName();
+        int resId = ctx.getResources().getIdentifier(SUPPORT_IMPL_RES_KEY, "string", packageName);
+        String className = ctx.getResources().getString(resId);
+        Class<? extends TestSupport> cl = Class.forName(className).asSubclass(TestSupport.class);
+        mTestSupport = cl.newInstance();
+    }
+}