Added alternative configuration for the data reduction proxy

components/data_reduction_proxy/browser/data_reduction_proxy_params_unittest.cc

Index: components/data_reduction_proxy/browser/data_reduction_proxy_params_unittest.cc
diff --git a/components/data_reduction_proxy/browser/data_reduction_proxy_params_unittest.cc b/components/data_reduction_proxy/browser/data_reduction_proxy_params_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..37cb3bb2b6e306f5058000ea8e258bda7d89a9b5
--- /dev/null
+++ b/components/data_reduction_proxy/browser/data_reduction_proxy_params_unittest.cc
@@ -0,0 +1,295 @@
+// Copyright 2014 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.
+
+#include "components/data_reduction_proxy/browser/data_reduction_proxy_params.h"
+
+#include "base/command_line.h"
+#include "base/logging.h"
+#include "components/data_reduction_proxy/common/data_reduction_proxy_switches.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+// Test values to replacethe values specified in preprocessor defines.
+static const char kDefaultKey[] = "test-key";
+static const char kDefaultDevOrigin[] = "https://dev.net:443/";
+static const char kDefaultOrigin[] = "https://origin.net:443/";
+static const char kDefaultFallbackOrigin[] = "http://fallback.net:80/";
+static const char kDefaultSSLOrigin[] = "http://ssl.net:1080/";
+static const char kDefaultAltOrigin[] = "https://alt.net:443/";
+static const char kDefaultAltFallbackOrigin[] = "http://altfallback.net:80/";
+static const char kDefaultProbeURL[] = "http://probe.net/";
+
+static const char kFlagKey[] = "test-flag-key";
+static const char kFlagOrigin[] = "https://origin.org:443/";
+static const char kFlagFallbackOrigin[] = "http://fallback.org:80/";
+static const char kFlagSSLOrigin[] = "http://ssl.org:1080/";
+static const char kFlagAltOrigin[] = "https://alt.org:443/";
+static const char kFlagAltFallbackOrigin[] = "http://altfallback.org:80/";
+static const char kFlagProbeURL[] = "http://probe.org/";
+
+// Used to emulate having constants defined by the preprocessor.
+static const unsigned int HAS_NOTHING = 0x0;
+static const unsigned int HAS_KEY = 0x1;
+static const unsigned int HAS_DEV_ORIGIN = 0x2;
+static const unsigned int HAS_ORIGIN = 0x4;
+static const unsigned int HAS_FALLBACK_ORIGIN = 0x8;
+static const unsigned int HAS_SSL_ORIGIN = 0x10;
+static const unsigned int HAS_ALT_ORIGIN = 0x20;
+static const unsigned int HAS_ALT_FALLBACK_ORIGIN = 0x40;
+static const unsigned int HAS_PROBE_URL = 0x80;
+static const unsigned int HAS_EVERYTHING = 0xff;
+}  // namespace
+
+namespace data_reduction_proxy {
+class TestDataReductionProxyParams : public DataReductionProxyParams {
+ public:
+
+  TestDataReductionProxyParams(int flags,
+                               unsigned int has_definitions)
+      : DataReductionProxyParams(flags,
+                                 false),
+        has_definitions_(has_definitions) {
+    init_result_ = Init(flags & DataReductionProxyParams::kAllowed,
+                        flags & DataReductionProxyParams::kFallbackAllowed,
+                        flags & DataReductionProxyParams::kAlternativeAllowed);
+  }
+
+  bool init_result() const {
+    return init_result_;
+  }
+
+ protected:
+  virtual std::string GetDefaultKey() const OVERRIDE {
+    return GetDefinition(HAS_KEY, kDefaultKey);
+  }
+
+  virtual std::string GetDefaultDevOrigin() const OVERRIDE {
+    return GetDefinition(HAS_DEV_ORIGIN, kDefaultDevOrigin);
+  }
+
+  virtual std::string GetDefaultOrigin() const OVERRIDE {
+    return GetDefinition(HAS_ORIGIN, kDefaultOrigin);
+  }
+
+  virtual std::string GetDefaultFallbackOrigin() const OVERRIDE {
+    return GetDefinition(HAS_FALLBACK_ORIGIN, kDefaultFallbackOrigin);
+  }
+
+  virtual std::string GetDefaultSSLOrigin() const OVERRIDE {
+    return GetDefinition(HAS_SSL_ORIGIN, kDefaultSSLOrigin);
+  }
+
+  virtual std::string GetDefaultAltOrigin() const OVERRIDE {
+    return GetDefinition(HAS_ALT_ORIGIN, kDefaultAltOrigin);
+  }
+
+  virtual std::string GetDefaultAltFallbackOrigin() const OVERRIDE {
+    return GetDefinition(HAS_ALT_FALLBACK_ORIGIN, kDefaultAltFallbackOrigin);
+  }
+
+  virtual std::string GetDefaultProbeURL() const OVERRIDE {
+    return GetDefinition(HAS_PROBE_URL, kDefaultProbeURL);
+  }
+
+ private:
+  std::string GetDefinition(unsigned int has_def,
+                            const std::string& definition) const {
+    return ((has_definitions_ & has_def) ? definition : std::string());
+  }
+
+  unsigned int has_definitions_;
+  bool init_result_;
+};
+
+class DataReductionProxyParamsTest : public testing::Test {
+ public:
+  void CheckParams(const TestDataReductionProxyParams& params,
+                   bool expected_init_result,
+                   bool expected_allowed,
+                   bool expected_fallback_allowed,
+                   bool expected_alternative_allowed,
+                   bool expected_promo_allowed) {
+    EXPECT_EQ(expected_init_result, params.init_result());
+    EXPECT_EQ(expected_allowed, params.allowed());
+    EXPECT_EQ(expected_fallback_allowed, params.fallback_allowed());
+    EXPECT_EQ(expected_alternative_allowed, params.alternative_allowed());
+    EXPECT_EQ(expected_promo_allowed, params.promo_allowed());
+  }
+  void CheckValues(const TestDataReductionProxyParams& params,
+                   const std::string expected_key,
+                   const std::string& expected_origin,
+                   const std::string& expected_fallback_origin,
+                   const std::string& expected_ssl_origin,
+                   const std::string& expected_alt_origin,
+                   const std::string& expected_alt_fallback_origin,
+                   const std::string& expected_probe_url) {
+    EXPECT_EQ(expected_key, params.key());
+    EXPECT_EQ(GURL(expected_origin), params.origin());
+    EXPECT_EQ(GURL(expected_fallback_origin), params.fallback_origin());
+    EXPECT_EQ(GURL(expected_ssl_origin), params.ssl_origin());
+    EXPECT_EQ(GURL(expected_alt_origin), params.alt_origin());
+    EXPECT_EQ(GURL(expected_alt_fallback_origin), params.alt_fallback_origin());
+    EXPECT_EQ(GURL(expected_probe_url), params.probe_url());
+  }
+};
+
+TEST_F(DataReductionProxyParamsTest, EverythingDefined) {
+  TestDataReductionProxyParams params(
+      DataReductionProxyParams::kAllowed |
+      DataReductionProxyParams::kFallbackAllowed |
+      DataReductionProxyParams::kPromoAllowed, HAS_EVERYTHING);
+  CheckParams(params, true, true, true, false, true);
+  CheckValues(params,
+              kDefaultKey,
+              kDefaultDevOrigin,
+              kDefaultFallbackOrigin,
+              kDefaultSSLOrigin,
+              kDefaultAltOrigin,
+              kDefaultAltFallbackOrigin,
+              kDefaultProbeURL);
+}
+
+TEST_F(DataReductionProxyParamsTest, NoDevOrigin) {
+  TestDataReductionProxyParams params(
+      DataReductionProxyParams::kAllowed |
+      DataReductionProxyParams::kFallbackAllowed |
+      DataReductionProxyParams::kPromoAllowed,
+      HAS_EVERYTHING & ~HAS_DEV_ORIGIN);
+  CheckParams(params, true, true, true, false, true);
+  CheckValues(params,
+              kDefaultKey,
+              kDefaultOrigin,
+              kDefaultFallbackOrigin,
+              kDefaultSSLOrigin,
+              kDefaultAltOrigin,
+              kDefaultAltFallbackOrigin,
+              kDefaultProbeURL);
+}
+
+TEST_F(DataReductionProxyParamsTest, Flags) {
+  CommandLine::ForCurrentProcess()->AppendSwitchASCII(
+      switches::kDataReductionProxyKey, kFlagKey);
+  CommandLine::ForCurrentProcess()->AppendSwitchASCII(
+      switches::kDataReductionProxy, kFlagOrigin);
+  CommandLine::ForCurrentProcess()->AppendSwitchASCII(
+      switches::kDataReductionProxyFallback, kFlagFallbackOrigin);
+  CommandLine::ForCurrentProcess()->AppendSwitchASCII(
+      switches::kDataReductionSSLProxy, kFlagSSLOrigin);
+  CommandLine::ForCurrentProcess()->AppendSwitchASCII(
+      switches::kDataReductionProxyAlt, kFlagAltOrigin);
+  CommandLine::ForCurrentProcess()->AppendSwitchASCII(
+      switches::kDataReductionProxyAltFallback, kFlagAltFallbackOrigin);
+  CommandLine::ForCurrentProcess()->AppendSwitchASCII(
+      switches::kDataReductionProxyProbeURL, kFlagProbeURL);
+  TestDataReductionProxyParams params(
+      DataReductionProxyParams::kAllowed |
+      DataReductionProxyParams::kFallbackAllowed |
+      DataReductionProxyParams::kAlternativeAllowed |
+      DataReductionProxyParams::kPromoAllowed, HAS_EVERYTHING);
+  CheckParams(params, true, true, true, true, true);
+  CheckValues(params,
+              kFlagKey,
+              kFlagOrigin,
+              kFlagFallbackOrigin,
+              kFlagSSLOrigin,
+              kFlagAltOrigin,
+              kFlagAltFallbackOrigin,
+              kFlagProbeURL);
+}
+
+TEST_F(DataReductionProxyParamsTest, FlagsNoKey) {
+  CommandLine::ForCurrentProcess()->AppendSwitchASCII(
+      switches::kDataReductionProxy, kFlagOrigin);
+  CommandLine::ForCurrentProcess()->AppendSwitchASCII(
+      switches::kDataReductionProxyFallback, kFlagFallbackOrigin);
+  CommandLine::ForCurrentProcess()->AppendSwitchASCII(
+      switches::kDataReductionSSLProxy, kFlagSSLOrigin);
+  CommandLine::ForCurrentProcess()->AppendSwitchASCII(
+      switches::kDataReductionProxyAlt, kFlagAltOrigin);
+  CommandLine::ForCurrentProcess()->AppendSwitchASCII(
+      switches::kDataReductionProxyAltFallback, kFlagAltFallbackOrigin);
+  CommandLine::ForCurrentProcess()->AppendSwitchASCII(
+      switches::kDataReductionProxyProbeURL, kFlagProbeURL);
+  TestDataReductionProxyParams params(
+      DataReductionProxyParams::kAllowed |
+      DataReductionProxyParams::kFallbackAllowed |
+      DataReductionProxyParams::kAlternativeAllowed |
+      DataReductionProxyParams::kPromoAllowed, HAS_EVERYTHING);
+  EXPECT_FALSE(params.init_result());
+}
+
+TEST_F(DataReductionProxyParamsTest, InvalidConfigurations) {
+  const struct {
+    bool allowed;
+    bool fallback_allowed;
+    bool alternative_allowed;
+    bool promo_allowed;
+    unsigned int missing_definitions;
+    bool expected_result;
+  } tests[]  = {
+    { true, true, true, true, HAS_NOTHING, true },
+    { true, true, true, true, HAS_KEY, false },
+    { true, true, true, true, HAS_DEV_ORIGIN, true },
+    { true, true, true, true, HAS_ORIGIN, true },
+    { true, true, true, true, HAS_ORIGIN | HAS_DEV_ORIGIN, false },
+    { true, true, true, true, HAS_FALLBACK_ORIGIN, false },
+    { true, true, true, true, HAS_SSL_ORIGIN, false },
+    { true, true, true, true, HAS_ALT_ORIGIN, false },
+    { true, true, true, true, HAS_ALT_FALLBACK_ORIGIN, false },
+    { true, true, true, true, HAS_PROBE_URL, false },
+
+    { true, false, true, true, HAS_NOTHING, true },
+    { true, false, true, true, HAS_KEY, false },
+    { true, false, true, true, HAS_ORIGIN | HAS_DEV_ORIGIN, false },
+    { true, false, true, true, HAS_FALLBACK_ORIGIN, true },
+    { true, false, true, true, HAS_SSL_ORIGIN, false },
+    { true, false, true, true, HAS_ALT_ORIGIN, false },
+    { true, false, true, true, HAS_ALT_FALLBACK_ORIGIN, true },
+    { true, false, true, true, HAS_PROBE_URL, false },
+
+    { true, true, false, true, HAS_NOTHING, true },
+    { true, true, false, true, HAS_KEY, false },
+    { true, true, false, true, HAS_ORIGIN | HAS_DEV_ORIGIN, false },
+    { true, true, false, true, HAS_FALLBACK_ORIGIN, false },
+    { true, true, false, true, HAS_SSL_ORIGIN, true },
+    { true, true, false, true, HAS_ALT_ORIGIN, true },
+    { true, true, false, true, HAS_ALT_FALLBACK_ORIGIN, true },
+    { true, true, false, true, HAS_PROBE_URL, false },
+
+    { true, false, false, true, HAS_KEY, false },
+    { true, false, false, true, HAS_ORIGIN | HAS_DEV_ORIGIN, false },
+    { true, false, false, true, HAS_FALLBACK_ORIGIN, true },
+    { true, false, false, true, HAS_SSL_ORIGIN, true },
+    { true, false, false, true, HAS_ALT_ORIGIN, true },
+    { true, false, false, true, HAS_ALT_FALLBACK_ORIGIN, true },
+    { true, false, false, true, HAS_PROBE_URL, false },
+
+    { false, true, true, true, HAS_NOTHING, false },
+    { false, true, true, true, HAS_KEY, false },
+    { false, true, true, true, HAS_ORIGIN | HAS_DEV_ORIGIN, false },
+    { false, true, true, true, HAS_FALLBACK_ORIGIN, false },
+    { false, true, true, true, HAS_SSL_ORIGIN, false },
+    { false, true, true, true, HAS_ALT_ORIGIN, false },
+    { false, true, true, true, HAS_ALT_FALLBACK_ORIGIN, false },
+    { false, true, true, true, HAS_PROBE_URL, false },
+  };
+
+  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) {
+    int flags = 0;
+    if (tests[i].allowed)
+      flags |= DataReductionProxyParams::kAllowed;
+    if (tests[i].fallback_allowed)
+      flags |= DataReductionProxyParams::kFallbackAllowed;
+    if (tests[i].alternative_allowed)
+      flags |= DataReductionProxyParams::kAlternativeAllowed;
+    if (tests[i].promo_allowed)
+      flags |= DataReductionProxyParams::kPromoAllowed;
+    TestDataReductionProxyParams params(
+        flags,
+        HAS_EVERYTHING & ~(tests[i].missing_definitions));
+    EXPECT_EQ(tests[i].expected_result, params.init_result());
+  }
+}
+
+}  // namespace data_reduction_proxy