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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/enterprise/watermark/watermark_style_policy_handler.h"
#include "base/json/json_reader.h"
#include "base/logging.h"
#include "base/types/expected_macros.h"
#include "base/values.h"
#include "components/enterprise/connectors/core/connectors_prefs.h"
#include "components/policy/core/browser/policy_error_map.h"
#include "components/policy/core/common/policy_map.h"
#include "components/policy/core/common/policy_types.h"
#include "components/prefs/pref_value_map.h"
#include "testing/gtest/include/gtest/gtest.h"
constexpr char kPolicyName[] = "WatermarkStyle";
constexpr char kSchema[] = R"(
{
"type": "object",
"properties": {
"WatermarkStyle": {
"type": "object",
"properties": {
"fill_opacity": {
"type": "integer",
"minimum": 0,
"maximum": 100
},
"outline_opacity": {
"type": "integer",
"minimum": 0,
"maximum": 100
},
"font_size": {
"type": "integer",
"minimum": 1
}
}
}
}
})";
constexpr char kValidPolicy[] = R"(
{
"fill_opacity": 10,
"outline_opacity": 20,
"font_size": 30
}
)";
constexpr char kInvalidFillOpacityTooLowPolicy[] = R"(
{
"fill_opacity": -1,
"outline_opacity": 20,
"font_size": 30
}
)";
constexpr char kInvalidFillOpacityTooHighPolicy[] = R"(
{
"fill_opacity": 101,
"outline_opacity": 20,
"font_size": 30
}
)";
constexpr char kInvalidOutlineOpacityTooLowPolicy[] = R"(
{
"fill_opacity": 10,
"outline_opacity": -5,
"font_size": 30
}
)";
constexpr char kInvalidOutlineOpacityTooHighPolicy[] = R"(
{
"fill_opacity": 10,
"outline_opacity": 102,
"font_size": 30
}
)";
constexpr char kInvalidFontSizeTooLowPolicy[] = R"(
{
"fill_opacity": 10,
"outline_opacity": 20,
"font_size": 0
}
)";
constexpr char kInvalidFieldTypePolicy[] = R"(
{
"fill_opacity": "should_be_integer",
"outline_opacity": 20,
"font_size": 30
}
)";
constexpr char kInvalidTypeStringPolicy[] = R"(
"this should be a dictionary"
)";
constexpr char kInvalidTypeIntPolicy[] = R"(
2025
)";
class WatermarkStylePolicyHandlerTest : public testing::Test {
protected:
policy::Schema schema() { return schema_; }
private:
void SetUp() override {
ASSIGN_OR_RETURN(schema_, policy::Schema::Parse(kSchema),
[](const auto& e) { ADD_FAILURE() << e; });
}
policy::Schema schema_;
};
struct InvalidPolicyTestCase {
std::string test_name;
const char* policy_json;
};
TEST_F(WatermarkStylePolicyHandlerTest, TestValidPolicy) {
policy::PolicyMap policy_map;
policy_map.Set(
kPolicyName, policy::PolicyLevel::POLICY_LEVEL_MANDATORY,
policy::PolicyScope::POLICY_SCOPE_MACHINE,
policy::PolicySource::POLICY_SOURCE_CLOUD,
base::JSONReader::Read(kValidPolicy, base::JSON_ALLOW_TRAILING_COMMAS),
nullptr);
auto handler = std::make_unique<WatermarkStylePolicyHandler>(schema());
policy::PolicyErrorMap errors;
ASSERT_TRUE(handler->CheckPolicySettings(policy_map, &errors));
ASSERT_TRUE(errors.empty());
PrefValueMap prefs;
handler->ApplyPolicySettings(policy_map, &prefs);
base::Value* value_in_pref;
ASSERT_TRUE(prefs.GetValue(
enterprise_connectors::kWatermarkStyleFillOpacityPref, &value_in_pref));
int fill_opacity = value_in_pref->GetInt();
ASSERT_TRUE(
prefs.GetValue(enterprise_connectors::kWatermarkStyleOutlineOpacityPref,
&value_in_pref));
int outline_opacity = value_in_pref->GetInt();
ASSERT_TRUE(prefs.GetValue(enterprise_connectors::kWatermarkStyleFontSizePref,
&value_in_pref));
int font_size = value_in_pref->GetInt();
base::Value::Dict pref_dict;
pref_dict.Set(enterprise_connectors::kWatermarkStyleFillOpacityFieldName,
fill_opacity);
pref_dict.Set(enterprise_connectors::kWatermarkStyleOutlineOpacityFieldName,
outline_opacity);
pref_dict.Set(enterprise_connectors::kWatermarkStyleFontSizeFieldName,
font_size);
const base::Value* value_in_map =
policy_map.GetValue(kPolicyName, base::Value::Type::DICT);
ASSERT_EQ(pref_dict, *value_in_map);
}
TEST_F(WatermarkStylePolicyHandlerTest,
TestValidPolicyNotAppliedIfNotFromCloud) {
policy::PolicyMap policy_map;
policy_map.Set(
kPolicyName, policy::PolicyLevel::POLICY_LEVEL_MANDATORY,
policy::PolicyScope::POLICY_SCOPE_MACHINE,
policy::PolicySource::POLICY_SOURCE_PLATFORM,
base::JSONReader::Read(kValidPolicy, base::JSON_ALLOW_TRAILING_COMMAS),
nullptr);
auto handler = std::make_unique<WatermarkStylePolicyHandler>(schema());
policy::PolicyErrorMap errors;
ASSERT_FALSE(handler->CheckPolicySettings(policy_map, &errors));
ASSERT_FALSE(errors.empty());
}
class WatermarkStyleInvalidPolicyHandlerTest
: public WatermarkStylePolicyHandlerTest,
public testing::WithParamInterface<InvalidPolicyTestCase> {};
TEST_P(WatermarkStyleInvalidPolicyHandlerTest, TestInvalidPolicies) {
const InvalidPolicyTestCase& test_case = GetParam();
policy::PolicyMap policy_map;
policy_map.Set(kPolicyName, policy::PolicyLevel::POLICY_LEVEL_MANDATORY,
policy::PolicyScope::POLICY_SCOPE_MACHINE,
policy::PolicySource::POLICY_SOURCE_CLOUD,
base::JSONReader::Read(test_case.policy_json,
base::JSON_ALLOW_TRAILING_COMMAS),
nullptr);
auto handler = std::make_unique<WatermarkStylePolicyHandler>(schema());
policy::PolicyErrorMap errors;
bool check_policy_settings_result =
handler->CheckPolicySettings(policy_map, &errors);
ASSERT_FALSE(check_policy_settings_result);
ASSERT_FALSE(errors.empty());
}
INSTANTIATE_TEST_SUITE_P(
InvalidWatermarkPolicies,
WatermarkStyleInvalidPolicyHandlerTest,
testing::ValuesIn<InvalidPolicyTestCase>(
{{"InvalidFillOpacityTooLow", kInvalidFillOpacityTooLowPolicy},
{"InvalidFillOpacityTooHigh", kInvalidFillOpacityTooHighPolicy},
{"InvalidOutlineOpacityTooLow", kInvalidOutlineOpacityTooLowPolicy},
{"InvalidOutlineOpacityTooHigh", kInvalidOutlineOpacityTooHighPolicy},
{"InvalidFontSizeTooLow", kInvalidFontSizeTooLowPolicy},
{"InvalidFieldType", kInvalidFieldTypePolicy},
{"InvalidTypeString", kInvalidTypeStringPolicy},
{"InvalidTypeInt", kInvalidTypeIntPolicy}}),
[](const testing::TestParamInfo<
WatermarkStyleInvalidPolicyHandlerTest::ParamType>& info) {
return info.param.test_name;
});
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