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// Copyright (c) 2011 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 "base/string_number_conversions.h"
#include "base/string_util.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/autocomplete/autocomplete.h"
#include "chrome/browser/autocomplete/autocomplete_match.h"
#include "testing/gtest/include/gtest/gtest.h"
class AutocompleteResultTest : public testing::Test {
public:
struct TestData {
// Used to build a url for the AutocompleteMatch. The URL becomes
// 'http://' + |url_id|.
int url_id;
// ID of the provider.
int provider_id;
// Relevance score.
int relevance;
};
AutocompleteResultTest() {}
// Configures |match| from |data|.
static void PopulateAutocompleteMatch(const TestData& data,
AutocompleteMatch* match);
// Adds |count| AutocompleteMatches to |matches|.
static void PopulateAutocompleteMatches(const TestData* data,
size_t count,
ACMatches* matches);
// Asserts that |result| has |expected_count| matches matching |expected|.
void AssertResultMatches(const AutocompleteResult& result,
const TestData* expected,
size_t expected_count);
// Creates an AutocompleteResult from |last| and |current|. The two are
// merged by |CopyOldMatches| and compared by |AssertResultMatches|.
void RunCopyOldMatchesTest(const TestData* last, size_t last_size,
const TestData* current, size_t current_size,
const TestData* expected, size_t expected_size);
private:
DISALLOW_COPY_AND_ASSIGN(AutocompleteResultTest);
};
// static
void AutocompleteResultTest::PopulateAutocompleteMatch(
const TestData& data,
AutocompleteMatch* match) {
match->provider = reinterpret_cast<AutocompleteProvider*>(data.provider_id);
match->fill_into_edit = base::IntToString16(data.url_id);
std::string url_id(1, data.url_id + 'a');
match->destination_url = GURL("http://" + url_id);
match->relevance = data.relevance;
}
// static
void AutocompleteResultTest::PopulateAutocompleteMatches(
const TestData* data,
size_t count,
ACMatches* matches) {
for (size_t i = 0; i < count; ++i) {
AutocompleteMatch match;
PopulateAutocompleteMatch(data[i], &match);
matches->push_back(match);
}
}
void AutocompleteResultTest::AssertResultMatches(
const AutocompleteResult& result,
const TestData* expected,
size_t expected_count) {
ASSERT_EQ(expected_count, result.size());
for (size_t i = 0; i < expected_count; ++i) {
AutocompleteMatch expected_match;
PopulateAutocompleteMatch(expected[i], &expected_match);
const AutocompleteMatch& match = *(result.begin() + i);
EXPECT_EQ(expected_match.provider, match.provider) << i;
EXPECT_EQ(expected_match.relevance, match.relevance) << i;
EXPECT_EQ(expected_match.destination_url.spec(),
match.destination_url.spec()) << i;
}
}
void AutocompleteResultTest::RunCopyOldMatchesTest(
const TestData* last, size_t last_size,
const TestData* current, size_t current_size,
const TestData* expected, size_t expected_size) {
AutocompleteInput input(ASCIIToUTF16("a"), string16(), false, false, false,
AutocompleteInput::ALL_MATCHES);
ACMatches last_matches;
PopulateAutocompleteMatches(last, last_size, &last_matches);
AutocompleteResult last_result;
last_result.AppendMatches(last_matches);
last_result.SortAndCull(input);
ACMatches current_matches;
PopulateAutocompleteMatches(current, current_size, ¤t_matches);
AutocompleteResult current_result;
current_result.AppendMatches(current_matches);
current_result.SortAndCull(input);
current_result.CopyOldMatches(input, last_result);
AssertResultMatches(current_result, expected, expected_size);
}
// Assertion testing for AutocompleteResult::Swap.
TEST_F(AutocompleteResultTest, Swap) {
AutocompleteResult r1;
AutocompleteResult r2;
// Swap with empty shouldn't do anything interesting.
r1.Swap(&r2);
EXPECT_EQ(r1.end(), r1.default_match());
EXPECT_EQ(r2.end(), r2.default_match());
// Swap with a single match.
ACMatches matches;
AutocompleteMatch match;
AutocompleteInput input(ASCIIToUTF16("a"), string16(), false, false, false,
AutocompleteInput::ALL_MATCHES);
matches.push_back(match);
r1.AppendMatches(matches);
r1.SortAndCull(input);
EXPECT_EQ(r1.begin(), r1.default_match());
EXPECT_EQ("http://a/", r1.alternate_nav_url().spec());
r1.Swap(&r2);
EXPECT_TRUE(r1.empty());
EXPECT_EQ(r1.end(), r1.default_match());
EXPECT_TRUE(r1.alternate_nav_url().is_empty());
ASSERT_FALSE(r2.empty());
EXPECT_EQ(r2.begin(), r2.default_match());
EXPECT_EQ("http://a/", r2.alternate_nav_url().spec());
}
// Tests that if the new results have a lower max relevance score than last,
// any copied results have their relevance shifted down.
TEST_F(AutocompleteResultTest, CopyOldMatches) {
TestData last[] = {
{ 0, 0, 1000 },
{ 1, 0, 500 },
};
TestData current[] = {
{ 2, 0, 400 },
};
TestData result[] = {
{ 2, 0, 400 },
{ 1, 0, 399 },
};
ASSERT_NO_FATAL_FAILURE(
RunCopyOldMatchesTest(last, ARRAYSIZE_UNSAFE(last),
current, ARRAYSIZE_UNSAFE(current),
result, ARRAYSIZE_UNSAFE(result)));
}
// Tests that matches are copied correctly from two distinct providers.
TEST_F(AutocompleteResultTest, CopyOldMatches2) {
TestData last[] = {
{ 0, 0, 1000 },
{ 1, 1, 500 },
{ 2, 0, 400 },
{ 3, 1, 300 },
};
TestData current[] = {
{ 4, 0, 1100 },
{ 5, 1, 550 },
};
TestData result[] = {
{ 4, 0, 1100 },
{ 5, 1, 550 },
{ 2, 0, 400 },
{ 3, 1, 300 },
};
ASSERT_NO_FATAL_FAILURE(
RunCopyOldMatchesTest(last, ARRAYSIZE_UNSAFE(last),
current, ARRAYSIZE_UNSAFE(current),
result, ARRAYSIZE_UNSAFE(result)));
}
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