Add support for downloading through proxies

Fixes #587.

--
MOS_MIGRATED_REVID=110785300

1 files changed, 91 insertions, 0 deletions

diff --git a/src/test/java/com/google/devtools/build/lib/bazel/repository/HttpDownloaderTest.java b/src/test/java/com/google/devtools/build/lib/bazel/repository/HttpDownloaderTest.java
new file mode 100644
index 0000000000..93afe43516
--- /dev/null
+++ b/src/test/java/com/google/devtools/build/lib/bazel/repository/HttpDownloaderTest.java
@@ -0,0 +1,91 @@
+// Copyright 2015 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.lib.bazel.repository;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+import java.io.IOException;
+import java.net.Proxy;
+
+/**
+ * Tests for @{link HttpDownloader}.
+ */
+@RunWith(JUnit4.class)
+public class HttpDownloaderTest {
+  @Test
+  public void testNoProxy() throws Exception {
+    // Empty address.
+    Proxy proxy = HttpDownloader.createProxy(null);
+    assertEquals(Proxy.NO_PROXY, proxy);
+    proxy = HttpDownloader.createProxy("");
+    assertEquals(Proxy.NO_PROXY, proxy);
+  }
+
+  @Test
+  public void testProxyDefaultPort() throws Exception {
+    Proxy proxy = HttpDownloader.createProxy("http://my.example.com");
+    assertEquals(Proxy.Type.HTTP, proxy.type());
+    assertThat(proxy.toString()).endsWith(":80");
+
+    proxy = HttpDownloader.createProxy("https://my.example.com");
+    assertThat(proxy.toString()).endsWith(":443");
+  }
+
+  @Test
+  public void testProxyExplicitPort() throws Exception {
+    Proxy proxy = HttpDownloader.createProxy("http://my.example.com:12345");
+    assertThat(proxy.toString()).endsWith(":12345");
+
+    proxy = HttpDownloader.createProxy("https://my.example.com:12345");
+    assertThat(proxy.toString()).endsWith(":12345");
+  }
+
+  @Test
+  public void testProxyNoProtocol() throws Exception {
+    try {
+      HttpDownloader.createProxy("my.example.com");
+      fail("Expected protocol error");
+    } catch (IOException e) {
+      assertThat(e.getMessage()).contains("No proxy protocol found");
+    }
+  }
+
+  @Test
+  public void testProxyNoProtocolWithPort() throws Exception {
+    try {
+      HttpDownloader.createProxy("my.example.com:12345");
+      fail("Expected protocol error");
+    } catch (IOException e) {
+      assertThat(e.getMessage()).contains("Invalid proxy protocol");
+    }
+  }
+
+  @Test
+  public void testProxyPortParsingError() throws Exception {
+    try {
+      HttpDownloader.createProxy("http://my.example.com:foo");
+      fail("Should have thrown an error for invalid port");
+    } catch (IOException e) {
+      assertThat(e.getMessage()).contains("Error parsing proxy port");
+    }
+  }
+
+}