chrome/common/variations/variations_util_unittest.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/common/variations/variations_util.h"
   6
   7 #include "base/metrics/field_trial.h"
   8 #include "components/variations/variations_associated_data.h"
   9 #include "testing/gtest/include/gtest/gtest.h"
  10
  11 namespace chrome_variations {
  12
  13 class VariationsUtilTest : public ::testing::Test {
  14  public:
  15   VariationsUtilTest() : field_trial_list_(NULL) {}
  16
  17   ~VariationsUtilTest() override {
  18     // Ensure that the maps are cleared between tests, since they are stored as
  19     // process singletons.
  20     variations::testing::ClearAllVariationIDs();
  21     variations::testing::ClearAllVariationParams();
  22   }
  23
  24  private:
  25   base::FieldTrialList field_trial_list_;
  26
  27   DISALLOW_COPY_AND_ASSIGN(VariationsUtilTest);
  28 };
  29
  30 TEST_F(VariationsUtilTest, AssociateParamsFromString) {
  31   const std::string kTrialName = "AssociateVariationParams";
  32   const std::string kVariationsString =
  33       "AssociateVariationParams.A:a/10/b/test,AssociateVariationParams.B:a/%2F";
  34   ASSERT_TRUE(AssociateParamsFromString(kVariationsString));
  35
  36   base::FieldTrialList::CreateFieldTrial(kTrialName, "B");
  37   EXPECT_EQ("/", variations::GetVariationParamValue(kTrialName, "a"));
  38   EXPECT_EQ(std::string(), variations::GetVariationParamValue(kTrialName, "b"));
  39   EXPECT_EQ(std::string(), variations::GetVariationParamValue(kTrialName, "x"));
  40
  41   std::map<std::string, std::string> params;
  42   EXPECT_TRUE(variations::GetVariationParams(kTrialName, &params));
  43   EXPECT_EQ(1U, params.size());
  44   EXPECT_EQ("/", params["a"]);
  45 }
  46
  47 }  // namespace chrome_variations