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// 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 "extensions/browser/error_map.h"
#include "base/logging.h"
#include "base/memory/scoped_ptr.h"
#include "base/strings/string_number_conversions.h"
#include "extensions/browser/extension_error.h"
#include "extensions/browser/extension_error_test_util.h"
#include "extensions/common/constants.h"
#include "extensions/common/id_util.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace extensions {
using error_test_util::CreateNewRuntimeError;
class ErrorMapUnitTest : public testing::Test {
public:
ErrorMapUnitTest() { }
virtual ~ErrorMapUnitTest() { }
virtual void SetUp() OVERRIDE {
testing::Test::SetUp();
}
protected:
ErrorMap errors_;
};
// Test adding errors, and removing them by reference, by incognito status,
// and in bulk.
TEST_F(ErrorMapUnitTest, AddAndRemoveErrors) {
ASSERT_EQ(0u, errors_.size());
const size_t kNumTotalErrors = 6;
const size_t kNumNonIncognitoErrors = 3;
const std::string kId = id_util::GenerateId("id");
// Populate with both incognito and non-incognito errors (evenly distributed).
for (size_t i = 0; i < kNumTotalErrors; ++i) {
ASSERT_TRUE(errors_.AddError(
CreateNewRuntimeError(kId, base::UintToString(i), i % 2 == 0)));
}
// There should only be one entry in the map, since errors are stored in lists
// keyed by extension id.
ASSERT_EQ(1u, errors_.size());
ASSERT_EQ(kNumTotalErrors, errors_.GetErrorsForExtension(kId).size());
// Remove the incognito errors; three errors should remain, and all should
// be from non-incognito contexts.
errors_.RemoveIncognitoErrors();
const ErrorList& list = errors_.GetErrorsForExtension(kId);
ASSERT_EQ(kNumNonIncognitoErrors, list.size());
for (size_t i = 0; i < list.size(); ++i)
ASSERT_FALSE(list[i]->from_incognito());
// Add another error for a different extension id.
const std::string kSecondId = id_util::GenerateId("id2");
ASSERT_TRUE(errors_.AddError(CreateNewRuntimeError(kSecondId, "foo")));
// There should be two entries now, one for each id, and there should be one
// error for the second extension.
ASSERT_EQ(2u, errors_.size());
ASSERT_EQ(1u, errors_.GetErrorsForExtension(kSecondId).size());
// Remove all errors for the second id.
errors_.Remove(kSecondId);
ASSERT_EQ(1u, errors_.size());
ASSERT_EQ(0u, errors_.GetErrorsForExtension(kSecondId).size());
// First extension should be unaffected.
ASSERT_EQ(kNumNonIncognitoErrors,
errors_.GetErrorsForExtension(kId).size());
// Remove remaining errors.
errors_.RemoveAllErrors();
ASSERT_EQ(0u, errors_.size());
ASSERT_EQ(0u, errors_.GetErrorsForExtension(kId).size());
}
// Test that if we add enough errors, only the most recent
// kMaxErrorsPerExtension are kept.
TEST_F(ErrorMapUnitTest, ExcessiveErrorsGetCropped) {
ASSERT_EQ(0u, errors_.size());
// This constant matches one of the same name in error_console.cc.
const size_t kMaxErrorsPerExtension = 100;
const size_t kNumExtraErrors = 5;
const std::string kId = id_util::GenerateId("id");
// Add new errors, with each error's message set to its number.
for (size_t i = 0; i < kMaxErrorsPerExtension + kNumExtraErrors; ++i) {
ASSERT_TRUE(errors_.AddError(
CreateNewRuntimeError(kId, base::UintToString(i))));
}
ASSERT_EQ(1u, errors_.size());
const ErrorList& list = errors_.GetErrorsForExtension(kId);
ASSERT_EQ(kMaxErrorsPerExtension, list.size());
// We should have popped off errors in the order they arrived, so the
// first stored error should be the 6th reported (zero-based)...
ASSERT_EQ(base::UintToString16(kNumExtraErrors),
list.front()->message());
// ..and the last stored should be the 105th reported.
ASSERT_EQ(base::UintToString16(kMaxErrorsPerExtension + kNumExtraErrors - 1),
list.back()->message());
}
// Test to ensure that the error console will not add duplicate errors, but will
// keep the latest version of an error.
TEST_F(ErrorMapUnitTest, DuplicateErrorsAreReplaced) {
ASSERT_EQ(0u, errors_.size());
const std::string kId = id_util::GenerateId("id");
const size_t kNumErrors = 3u;
// Report three errors.
for (size_t i = 0; i < kNumErrors; ++i) {
ASSERT_TRUE(errors_.AddError(
CreateNewRuntimeError(kId, base::UintToString(i))));
}
// Create an error identical to the second error reported, save its
// location, and add it to the error map.
scoped_ptr<ExtensionError> runtime_error2 =
CreateNewRuntimeError(kId, base::UintToString(1u));
const ExtensionError* weak_error = runtime_error2.get();
ASSERT_TRUE(errors_.AddError(runtime_error2.Pass()));
// We should only have three errors stored, since two of the four reported
// were identical, and the older should have been replaced.
ASSERT_EQ(1u, errors_.size());
const ErrorList& list = errors_.GetErrorsForExtension(kId);
ASSERT_EQ(kNumErrors, list.size());
// The duplicate error should be the last reported (pointer comparison)...
ASSERT_EQ(weak_error, list.back());
// ... and should have two reported occurrences.
ASSERT_EQ(2u, list.back()->occurrences());
}
} // namespace extensions
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