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Unified Diff: components/rappor/rappor_service_unittest.cc

Issue 49753002: RAPPOR implementation (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 6 years, 10 months ago
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Index: components/rappor/rappor_service_unittest.cc
diff --git a/components/rappor/rappor_service_unittest.cc b/components/rappor/rappor_service_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..790eae7dff7b8024119995a3038d8c6099d1afb8
--- /dev/null
+++ b/components/rappor/rappor_service_unittest.cc
@@ -0,0 +1,50 @@
+// 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/rappor/rappor_service.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace rappor {
+
+class TestRapporService : public RapporService {
+ public:
+ void GetReports(RapporReports* reports) {
+ ExportMetrics(reports);
+ }
+ void TestRecordSample(const std::string& metric_name,
+ const RapporParameters& parameters,
+ const std::string& sample) {
+ RecordSampleInternal(metric_name, parameters, sample);
+ }
+};
+
+TEST(RapporServiceTest, RecordAndExportMetrics) {
+ const RapporParameters kTestRapporParameters = {
+ 16 /* Bloom filter size bytes */,
+ 4 /* Bloom filter hash count */,
+ PROBABILITY_75 /* Fake data probability */,
+ PROBABILITY_50 /* Fake one probability */,
+ PROBABILITY_75 /* One coin probability */,
+ PROBABILITY_50 /* Zero coin probability */
+ };
+
+ TestRapporService rappor_service;
+ rappor_service.SetCohortForTesting(0);
+ rappor_service.SetSecretForTesting(
+ HmacByteVectorGenerator::GenerateEntropyInput());
+
+ rappor_service.TestRecordSample("MyMetric", kTestRapporParameters, "foo");
+ rappor_service.TestRecordSample("MyMetric", kTestRapporParameters, "bar");
+
+ RapporReports reports;
+ rappor_service.GetReports(&reports);
+ EXPECT_EQ(1, reports.report_size());
+
+ const RapporReports::Report& report = reports.report(0);
+ EXPECT_TRUE(report.name_hash());
+ EXPECT_EQ(16u, report.bits().size());
+}
+
+} // namespace rappor
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