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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/containers/contains.h"
#include "base/strings/string_number_conversions.h"
#include "chromeos/printing/uri.h"
#include "chromeos/printing/uri_unittest.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace chromeos {
namespace {
using UriComponents = uri_unittest::UriComponents;
// Returns true <=> |c| belongs to STD_CHARS.
bool IsStdChar(char c) {
if (c >= 'A' && c <= 'Z')
return true;
if (c >= 'a' && c <= 'z')
return true;
if (c >= '0' && c <= '9')
return true;
return (c == '-' || c == '.' || c == '_' || c == '~' || c == '!' ||
c == '$' || c == '\'' || c == '(' || c == ')' || c == '*' ||
c == ',' || c == ';');
}
// Returns a copy of |input| where all characters outside the set
// {STD_CHARS + |allowed_schars|} are replaced by %-escaped sequences.
std::string Encode(const std::string& input, const std::string& allowed_chars) {
std::string out;
for (char c : input) {
if (IsStdChar(c) || base::Contains(allowed_chars, c)) {
out.push_back(c);
} else {
out.push_back('%');
out.append(base::HexEncode(&c, 1));
}
}
return out;
}
// A version of Encode function for a different parameter type.
std::vector<std::string> Encode(const std::vector<std::string>& input,
const std::string& allowed_chars) {
std::vector<std::string> v;
for (auto& s : input)
v.push_back(Encode(s, allowed_chars));
return v;
}
// A version of Encode function for a different parameter type.
std::vector<std::pair<std::string, std::string>> Encode(
const std::vector<std::pair<std::string, std::string>>& input,
const std::string& allowed_chars) {
std::vector<std::pair<std::string, std::string>> v;
for (auto& p : input)
v.push_back(std::make_pair(Encode(p.first, allowed_chars),
Encode(p.second, allowed_chars)));
return v;
}
// This test suite consists of tests accepting a single parameter of type
// UriComponents. Each test creates Uri object from the parameter and checks
// its consistency by comparing results returned by different methods.
class UriConsistencyTest : public testing::TestWithParam<UriComponents> {
public:
void SetUp() override {
const UriComponents& components = GetParam();
uri_.SetFragment(components.fragment);
ASSERT_EQ(uri_.GetLastParsingError().status, Uri::ParserStatus::kNoErrors);
uri_.SetHost(components.host);
ASSERT_EQ(uri_.GetLastParsingError().status, Uri::ParserStatus::kNoErrors);
uri_.SetPath(components.path);
ASSERT_EQ(uri_.GetLastParsingError().status, Uri::ParserStatus::kNoErrors);
uri_.SetPort(components.port);
ASSERT_EQ(uri_.GetLastParsingError().status, Uri::ParserStatus::kNoErrors);
uri_.SetQuery(components.query);
ASSERT_EQ(uri_.GetLastParsingError().status, Uri::ParserStatus::kNoErrors);
uri_.SetScheme(components.scheme);
ASSERT_EQ(uri_.GetLastParsingError().status, Uri::ParserStatus::kNoErrors);
uri_.SetUserinfo(components.userinfo);
ASSERT_EQ(uri_.GetLastParsingError().status, Uri::ParserStatus::kNoErrors);
}
protected:
Uri uri_;
};
// Make sure that components returned by Get*Encoded() methods are %-escaped
// versions of components returned by corresponding Get*() methods.
TEST_P(UriConsistencyTest, ComponentsEncoding) {
EXPECT_EQ(uri_.GetUserinfoEncoded(), Encode(uri_.GetUserinfo(), "+&=:"));
EXPECT_EQ(uri_.GetHostEncoded(), Encode(uri_.GetHost(), "+&="));
EXPECT_EQ(uri_.GetPathEncoded(), Encode(uri_.GetPath(), "+&=:@"));
EXPECT_EQ(uri_.GetQueryEncoded(), Encode(uri_.GetQuery(), ":@/?"));
EXPECT_EQ(uri_.GetFragmentEncoded(), Encode(uri_.GetFragment(), "+&=:@/?"));
}
// Build Path and verify GetPathEncodedAsString().
TEST_P(UriConsistencyTest, PathBuilding) {
std::string expected_path;
for (auto& segment : uri_.GetPathEncoded())
expected_path += "/" + segment;
EXPECT_EQ(expected_path, uri_.GetPathEncodedAsString());
}
// Build Query and verify GetQueryEncodedAsString().
TEST_P(UriConsistencyTest, QueryBuilding) {
std::string expected_query;
for (auto& param_value : uri_.GetQueryEncoded()) {
if (!expected_query.empty())
expected_query += "&";
expected_query += param_value.first;
if (!param_value.second.empty())
expected_query += "=" + param_value.second;
}
EXPECT_EQ(expected_query, uri_.GetQueryEncodedAsString());
}
// Build normalized URI from encoded components and make sure that it is
// equal to the value returned by GetNormalized().
TEST_P(UriConsistencyTest, UriBuilding) {
std::string scheme = uri_.GetScheme();
if (!scheme.empty())
scheme += ":";
// Build a part of URI called Authority (Userinfo@Host:Port).
std::string authority_encoded;
if (!uri_.GetUserinfoEncoded().empty())
authority_encoded = uri_.GetUserinfoEncoded() + "@";
authority_encoded += uri_.GetHostEncoded();
std::string authority_with_port_encoded = authority_encoded;
if (uri_.GetPort() != -1) {
if (uri_.GetPort() != Uri::GetDefaultPort(uri_.GetScheme()))
authority_encoded += ":" + base::NumberToString(uri_.GetPort());
authority_with_port_encoded += ":" + base::NumberToString(uri_.GetPort());
}
// If Authority is not empty, prefix it with "//".
if (!authority_encoded.empty())
authority_encoded = "//" + authority_encoded;
if (!authority_with_port_encoded.empty())
authority_with_port_encoded = "//" + authority_with_port_encoded;
// Build Path, Query and Fragment.
std::string path_query_fragment_encoded = uri_.GetPathEncodedAsString();
if (!uri_.GetQueryEncodedAsString().empty())
path_query_fragment_encoded += "?" + uri_.GetQueryEncodedAsString();
if (!uri_.GetFragmentEncoded().empty())
path_query_fragment_encoded += "#" + uri_.GetFragmentEncoded();
EXPECT_EQ(uri_.GetNormalized(false),
scheme + authority_encoded + path_query_fragment_encoded);
EXPECT_EQ(uri_.GetNormalized(true),
scheme + authority_with_port_encoded + path_query_fragment_encoded);
}
// Checks if the normalization algorithm is consistent.
TEST_P(UriConsistencyTest, Normalization) {
// Normalization of normalized uri must not change it.
Uri uri2(uri_.GetNormalized());
EXPECT_EQ(uri2.GetLastParsingError().status, Uri::ParserStatus::kNoErrors);
EXPECT_EQ(uri_.GetNormalized(true), uri2.GetNormalized(true));
EXPECT_EQ(uri_.GetNormalized(false), uri2.GetNormalized(false));
// Normalization of normalized Path must not change it.
uri2.SetPathEncoded(uri_.GetPathEncodedAsString());
EXPECT_EQ(uri2.GetLastParsingError().status, Uri::ParserStatus::kNoErrors);
EXPECT_EQ(uri_.GetPath(), uri2.GetPath());
// Normalization of normalized Query must not change it.
uri2.SetQueryEncoded(uri_.GetQueryEncodedAsString());
EXPECT_EQ(uri2.GetLastParsingError().status, Uri::ParserStatus::kNoErrors);
EXPECT_EQ(uri_.GetQuery(), uri2.GetQuery());
}
INSTANTIATE_TEST_SUITE_P(
UriConsistencyTestInstantiation,
UriConsistencyTest,
testing::Values(
UriComponents(), // empty URI
UriComponents("ExAmplE+SchemA-X",
"",
"ExAmplE.COM",
123,
{"D", "E"},
{{"F", "G"}, {"H", "I"}},
"J"),
UriComponents("",
kPrintableASCII,
kPrintableASCII,
0,
{kPrintableASCII},
{{kPrintableASCII, kPrintableASCII}},
kPrintableASCII),
UriComponents("A+1-b.C", "", "", -1, {"//", " "}, {}, "?#@/"),
UriComponents("http",
"",
"utf8.test",
-1,
{},
{{"zażółć", "za\xc5\xbc\xc3\xb3\xc5\x82\xc4\x87"},
{"gęślą", "\x67\xC4\x99\xC5\x9B\x6C\xC4\x85"},
{"jaźń", "ja\xc5\xba\xc5\x84"}})));
} // namespace
} // namespace chromeos
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