Issue 4031 - Implement tests for libadblockplus-android

libadblockplus-android-tests/src/org/adblockplus/libadblockplus/tests/MockWebRequestTest.java

Index: libadblockplus-android-tests/src/org/adblockplus/libadblockplus/tests/MockWebRequestTest.java
===================================================================
new file mode 100644
--- /dev/null
+++ b/libadblockplus-android-tests/src/org/adblockplus/libadblockplus/tests/MockWebRequestTest.java
@@ -0,0 +1,122 @@
+/*
+ * This file is part of Adblock Plus <https://adblockplus.org/>,
+ * Copyright (C) 2006-2016 Eyeo GmbH
+ *
+ * Adblock Plus is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * Adblock Plus is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.adblockplus.libadblockplus.tests;
+
+import org.adblockplus.libadblockplus.AdblockPlusException;
+import org.adblockplus.libadblockplus.HeaderEntry;
+import org.adblockplus.libadblockplus.ServerResponse;
+import org.adblockplus.libadblockplus.WebRequest;
+
+import org.junit.Test;
+
+import java.util.Arrays;
+import java.util.List;
+
+public class MockWebRequestTest extends BaseJsTest {
+
+    private class LocalMockWebRequest extends WebRequest {
+        @Override
+        public ServerResponse httpGET(String url, List<HeaderEntry> headers) {
+            try {
+                Thread.sleep(50);
+            } catch (InterruptedException e) {
+                throw new RuntimeException(e);
+            }
+
+            ServerResponse result = new ServerResponse();
+            result.setStatus(ServerResponse.NsStatus.OK);
+            result.setResponseStatus(123);
+            result.setReponseHeaders(Arrays.asList(new HeaderEntry("Foo", "Bar")));
+
+            result.setResponse(
+                url + "\n" +
+                headers.get(0).getKey() + "\n" +
+                headers.get(0).getValue());
+            return result;
+        }
+    }
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+
+        jsEngine.setWebRequest(new LocalMockWebRequest());
+    }
+
+    @Test
+    public void testBadCall() {
+        try {
+            jsEngine.evaluate("_webRequest.GET()");
+            fail();
+        } catch (AdblockPlusException e) {
+            // ignored
+        }
+
+        try {
+            jsEngine.evaluate("_webRequest.GET('', {}, function(){})");
+            fail();
+        } catch (AdblockPlusException e) {
+            // ignored
+        }
+
+        try {
+            jsEngine.evaluate("_webRequest.GET({toString: false}, {}, function(){})");
+            fail();
+        } catch (AdblockPlusException e) {
+            // ignored
+        }
+
+        try {
+            jsEngine.evaluate("_webRequest.GET('http://example.com/', null, function(){})");
+            fail();
+        } catch (AdblockPlusException e) {
+            // ignored
+        }
+
+        try {
+            jsEngine.evaluate("_webRequest.GET('http://example.com/', {}, null)");
+            fail();
+        } catch (AdblockPlusException e) {
+            // ignored
+        }
+
+        try {
+            jsEngine.evaluate("_webRequest.GET('http://example.com/', {}, function(){}, 0)");
+            fail();
+        } catch (AdblockPlusException e) {
+            // ignored
+        }
+    }
+
+    @Test
+    public void testSuccessfulRequest() throws InterruptedException {
+        jsEngine.evaluate(
+            "_webRequest.GET('http://example.com/', {X: 'Y'}, function(result) {foo = result;} )");
+        assertTrue(jsEngine.evaluate("this.foo").isUndefined());
+
+        Thread.sleep(200);
+
+        assertEquals(
+            ServerResponse.NsStatus.OK.getStatusCode(),
+            jsEngine.evaluate("foo.status").asLong());
+        assertEquals("http://example.com/\nX\nY", jsEngine.evaluate("foo.responseText").asString());
+        assertEquals("{\"Foo\":\"Bar\"}",
+            jsEngine.evaluate("JSON.stringify(foo.responseHeaders)").asString());
+    }
+
+}