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key_system_config_selector_unittest.cc
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key_system_config_selector_unittest.cc
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// Copyright 2015 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 <string>
#include <vector>
#include "base/bind.h"
#include "base/macros.h"
#include "base/strings/pattern.h"
#include "media/base/cdm_config.h"
#include "media/base/eme_constants.h"
#include "media/base/key_systems.h"
#include "media/base/media_permission.h"
#include "media/base/mime_util.h"
#include "media/blink/key_system_config_selector.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/platform/web_encrypted_media_types.h"
#include "third_party/blink/public/platform/web_media_key_system_configuration.h"
#include "third_party/blink/public/platform/web_string.h"
namespace media {
namespace {
using blink::WebEncryptedMediaInitDataType;
using blink::WebEncryptedMediaSessionType;
using blink::WebMediaKeySystemConfiguration;
using blink::WebMediaKeySystemMediaCapability;
using blink::WebString;
using MediaKeysRequirement = WebMediaKeySystemConfiguration::Requirement;
using EncryptionScheme = WebMediaKeySystemMediaCapability::EncryptionScheme;
// Key system strings. Clear Key support is hardcoded in KeySystemConfigSelector
// so kClearKeyKeySystem is the real key system string. The rest key system
// strings are for testing purpose only.
const char kClearKeyKeySystem[] = "org.w3.clearkey";
const char kSupportedKeySystem[] = "keysystem.test.supported";
const char kUnsupportedKeySystem[] = "keysystem.test.unsupported";
// Robustness strings for kSupportedKeySystem.
const char kSupportedRobustness[] = "supported";
const char kRecommendIdentifierRobustness[] = "recommend_identifier";
const char kRequireIdentifierRobustness[] = "require_identifier";
const char kDisallowHwSecureCodecRobustness[] = "disallow_hw_secure_codec";
const char kRequireHwSecureCodecRobustness[] = "require_hw_secure_codec";
const char kUnsupportedRobustness[] = "unsupported";
// Test container mime types. Supported types are prefixed with audio/video so
// that the test can perform EmeMediaType check.
const char kSupportedVideoContainer[] = "video/supported";
const char kSupportedAudioContainer[] = "audio/supported";
const char kUnsupportedContainer[] = "video/unsupported";
const char kInvalidContainer[] = "video/invalid";
// The codec strings. Supported types are prefixed with audio/video so
// that the test can perform EmeMediaType check.
// TODO(sandersd): Extended codec variants (requires proprietary codec support).
// TODO(xhwang): Platform Opus is not available on all Android versions, where
// some encrypted Opus related tests may fail. See PlatformHasOpusSupport()
// for more details.
const char kSupportedAudioCodec[] = "audio_codec";
const char kSupportedVideoCodec[] = "video_codec";
const char kUnsupportedCodec[] = "unsupported_codec";
const char kInvalidCodec[] = "foo";
const char kRequireHwSecureCodec[] = "require_hw_secure_codec";
const char kDisallowHwSecureCodec[] = "disallow_hw_secure_codec";
const char kExtendedVideoCodec[] = "video_extended_codec.extended";
const char kExtendedVideoCodecStripped[] = "video_extended_codec";
// A special codec that is supported by the key systems, but is not supported
// in IsSupportedMediaType() when |use_aes_decryptor| is true.
const char kUnsupportedByAesDecryptorCodec[] = "unsupported_by_aes_decryptor";
// Encryption schemes. For testing 'cenc' is supported, while 'cbcs' is not.
// Note that WebMediaKeySystemMediaCapability defaults to kNotSpecified,
// which is treated as 'cenc' by KeySystemConfigSelector.
constexpr EncryptionScheme kSupportedEncryptionScheme = EncryptionScheme::kCenc;
constexpr EncryptionScheme kDisallowHwSecureCodecEncryptionScheme =
EncryptionScheme::kCbcs;
EncryptionMode ConvertEncryptionScheme(EncryptionScheme encryption_scheme) {
switch (encryption_scheme) {
case EncryptionScheme::kNotSpecified:
case EncryptionScheme::kCenc:
return EncryptionMode::kCenc;
case EncryptionScheme::kCbcs:
return EncryptionMode::kCbcs;
}
NOTREACHED();
return EncryptionMode::kUnencrypted;
}
WebString MakeCodecs(const std::string& a, const std::string& b) {
return WebString::FromUTF8(a + "," + b);
}
WebString GetSupportedVideoCodecs() {
return MakeCodecs(kSupportedVideoCodec, kSupportedVideoCodec);
}
WebString GetSubsetSupportedVideoCodecs() {
return MakeCodecs(kSupportedVideoCodec, kUnsupportedCodec);
}
WebString GetSubsetInvalidVideoCodecs() {
return MakeCodecs(kSupportedVideoCodec, kInvalidCodec);
}
bool IsValidContainerMimeType(const std::string& container_mime_type) {
return container_mime_type != kInvalidContainer;
}
bool IsValidCodec(const std::string& codec) {
return codec != kInvalidCodec;
}
// Returns whether |type| is compatible with |media_type|.
bool IsCompatibleWithEmeMediaType(EmeMediaType media_type,
const std::string& type) {
if (media_type == EmeMediaType::AUDIO && base::MatchPattern(type, "video*"))
return false;
if (media_type == EmeMediaType::VIDEO && base::MatchPattern(type, "audio*"))
return false;
return true;
}
// Pretend that we support all |container_mime_type| and |codecs| except for
// those explicitly marked as invalid.
bool IsSupportedMediaType(const std::string& container_mime_type,
const std::string& codecs,
bool use_aes_decryptor) {
if (container_mime_type == kInvalidContainer)
return false;
std::vector<std::string> codec_vector;
SplitCodecs(codecs, &codec_vector);
for (const std::string& codec : codec_vector) {
DCHECK_NE(codec, kExtendedVideoCodecStripped)
<< "codecs passed into this function should not be stripped";
if (codec == kInvalidCodec)
return false;
if (use_aes_decryptor && codec == kUnsupportedByAesDecryptorCodec)
return false;
}
return true;
}
// The IDL for MediaKeySystemConfiguration specifies some defaults, so
// create a config object that mimics what would be created if an empty
// dictionary was passed in.
WebMediaKeySystemConfiguration EmptyConfiguration() {
// http://w3c.github.io/encrypted-media/#mediakeysystemconfiguration-dictionary
// If this member (sessionTypes) is not present when the dictionary
// is passed to requestMediaKeySystemAccess(), the dictionary will
// be treated as if this member is set to [ "temporary" ].
std::vector<WebEncryptedMediaSessionType> session_types;
session_types.push_back(WebEncryptedMediaSessionType::kTemporary);
WebMediaKeySystemConfiguration config;
config.label = "";
config.session_types = session_types;
return config;
}
// EME spec requires that at least one of |video_capabilities| and
// |audio_capabilities| be specified. Add a single valid audio capability
// to the EmptyConfiguration().
WebMediaKeySystemConfiguration UsableConfiguration() {
// Blink code parses the contentType into mimeType and codecs, so mimic
// that here.
std::vector<WebMediaKeySystemMediaCapability> audio_capabilities(1);
audio_capabilities[0].mime_type = kSupportedAudioContainer;
audio_capabilities[0].codecs = kSupportedAudioCodec;
auto config = EmptyConfiguration();
config.audio_capabilities = audio_capabilities;
return config;
}
class FakeKeySystems : public KeySystems {
public:
~FakeKeySystems() override = default;
bool IsSupportedKeySystem(const std::string& key_system) const override {
// Based on EME spec, Clear Key key system is always supported.
return key_system == kSupportedKeySystem ||
key_system == kClearKeyKeySystem;
}
bool CanUseAesDecryptor(const std::string& key_system) const override {
return key_system == kClearKeyKeySystem;
}
// TODO(sandersd): Move implementation into KeySystemConfigSelector?
bool IsSupportedInitDataType(const std::string& key_system,
EmeInitDataType init_data_type) const override {
switch (init_data_type) {
case EmeInitDataType::UNKNOWN:
return false;
case EmeInitDataType::WEBM:
return init_data_type_webm_supported_;
case EmeInitDataType::CENC:
return init_data_type_cenc_supported_;
case EmeInitDataType::KEYIDS:
return init_data_type_keyids_supported_;
}
NOTREACHED();
return false;
}
EmeConfigRule GetEncryptionSchemeConfigRule(
const std::string& key_system,
EncryptionMode encryption_scheme) const override {
if (encryption_scheme ==
ConvertEncryptionScheme(kSupportedEncryptionScheme)) {
return EmeConfigRule::SUPPORTED;
}
if (encryption_scheme ==
ConvertEncryptionScheme(kDisallowHwSecureCodecEncryptionScheme)) {
return EmeConfigRule::HW_SECURE_CODECS_NOT_ALLOWED;
}
return EmeConfigRule::NOT_SUPPORTED;
}
EmeConfigRule GetContentTypeConfigRule(
const std::string& key_system,
EmeMediaType media_type,
const std::string& container_mime_type,
const std::vector<std::string>& codecs) const override {
DCHECK(IsValidContainerMimeType(container_mime_type))
<< "Invalid container mime type should not be passed in";
if (container_mime_type == kUnsupportedContainer ||
!IsCompatibleWithEmeMediaType(media_type, container_mime_type)) {
return EmeConfigRule::NOT_SUPPORTED;
}
bool hw_secure_codec_required_ = false;
bool hw_secure_codec_not_allowed_ = false;
for (const std::string& codec : codecs) {
DCHECK(IsValidCodec(codec)) << "Invalid codec should not be passed in";
if (codec == kUnsupportedCodec ||
!IsCompatibleWithEmeMediaType(media_type, codec)) {
return EmeConfigRule::NOT_SUPPORTED;
} else if (codec == kRequireHwSecureCodec) {
hw_secure_codec_required_ = true;
} else if (codec == kDisallowHwSecureCodec) {
hw_secure_codec_not_allowed_ = true;
}
}
if (hw_secure_codec_required_) {
if (hw_secure_codec_not_allowed_)
return EmeConfigRule::NOT_SUPPORTED;
else
return EmeConfigRule::HW_SECURE_CODECS_REQUIRED;
}
if (hw_secure_codec_not_allowed_)
return EmeConfigRule::HW_SECURE_CODECS_NOT_ALLOWED;
return EmeConfigRule::SUPPORTED;
}
EmeConfigRule GetRobustnessConfigRule(
const std::string& key_system,
EmeMediaType media_type,
const std::string& requested_robustness) const override {
if (requested_robustness.empty())
return EmeConfigRule::SUPPORTED;
if (requested_robustness == kSupportedRobustness)
return EmeConfigRule::SUPPORTED;
if (requested_robustness == kRequireIdentifierRobustness)
return EmeConfigRule::IDENTIFIER_REQUIRED;
if (requested_robustness == kRecommendIdentifierRobustness)
return EmeConfigRule::IDENTIFIER_RECOMMENDED;
if (requested_robustness == kDisallowHwSecureCodecRobustness)
return EmeConfigRule::HW_SECURE_CODECS_NOT_ALLOWED;
if (requested_robustness == kRequireHwSecureCodecRobustness)
return EmeConfigRule::HW_SECURE_CODECS_REQUIRED;
if (requested_robustness == kUnsupportedRobustness)
return EmeConfigRule::NOT_SUPPORTED;
NOTREACHED();
return EmeConfigRule::NOT_SUPPORTED;
}
EmeSessionTypeSupport GetPersistentLicenseSessionSupport(
const std::string& key_system) const override {
return persistent_license;
}
EmeSessionTypeSupport GetPersistentUsageRecordSessionSupport(
const std::string& key_system) const override {
return persistent_usage_record;
}
EmeFeatureSupport GetPersistentStateSupport(
const std::string& key_system) const override {
return persistent_state;
}
EmeFeatureSupport GetDistinctiveIdentifierSupport(
const std::string& key_system) const override {
return distinctive_identifier;
}
bool init_data_type_webm_supported_ = false;
bool init_data_type_cenc_supported_ = false;
bool init_data_type_keyids_supported_ = false;
// INVALID so that they must be set in any test that needs them.
EmeSessionTypeSupport persistent_license = EmeSessionTypeSupport::INVALID;
EmeSessionTypeSupport persistent_usage_record =
EmeSessionTypeSupport::INVALID;
// Every test implicitly requires these, so they must be set. They are set to
// values that are likely to cause tests to fail if they are accidentally
// depended on. Test cases explicitly depending on them should set them, as
// the default values may be changed.
EmeFeatureSupport persistent_state = EmeFeatureSupport::NOT_SUPPORTED;
EmeFeatureSupport distinctive_identifier = EmeFeatureSupport::REQUESTABLE;
};
class FakeMediaPermission : public MediaPermission {
public:
// MediaPermission implementation.
void HasPermission(Type type,
const PermissionStatusCB& permission_status_cb) override {
permission_status_cb.Run(is_granted);
}
void RequestPermission(
Type type,
const PermissionStatusCB& permission_status_cb) override {
requests++;
permission_status_cb.Run(is_granted);
}
bool IsEncryptedMediaEnabled() override { return is_encrypted_media_enabled; }
int requests = 0;
bool is_granted = false;
bool is_encrypted_media_enabled = true;
};
} // namespace
class KeySystemConfigSelectorTest : public testing::Test {
public:
KeySystemConfigSelectorTest()
: key_systems_(new FakeKeySystems()),
media_permission_(new FakeMediaPermission()) {}
void SelectConfig() {
media_permission_->requests = 0;
succeeded_count_ = 0;
not_supported_count_ = 0;
KeySystemConfigSelector key_system_config_selector(key_systems_.get(),
media_permission_.get());
key_system_config_selector.SetIsSupportedMediaTypeCBForTesting(
base::BindRepeating(&IsSupportedMediaType));
key_system_config_selector.SelectConfig(
key_system_, configs_,
base::BindRepeating(&KeySystemConfigSelectorTest::OnSucceeded,
base::Unretained(this)),
base::BindRepeating(&KeySystemConfigSelectorTest::OnNotSupported,
base::Unretained(this)));
}
void SelectConfigReturnsConfig() {
SelectConfig();
EXPECT_EQ(0, media_permission_->requests);
EXPECT_EQ(1, succeeded_count_);
EXPECT_EQ(0, not_supported_count_);
ASSERT_TRUE(succeeded_count_ != 0);
}
void SelectConfigReturnsError() {
SelectConfig();
EXPECT_EQ(0, media_permission_->requests);
EXPECT_EQ(0, succeeded_count_);
EXPECT_EQ(1, not_supported_count_);
ASSERT_TRUE(not_supported_count_ != 0);
}
void SelectConfigRequestsPermissionAndReturnsConfig() {
SelectConfig();
EXPECT_EQ(1, media_permission_->requests);
EXPECT_EQ(1, succeeded_count_);
EXPECT_EQ(0, not_supported_count_);
ASSERT_TRUE(media_permission_->requests != 0 && succeeded_count_ != 0);
}
void SelectConfigRequestsPermissionAndReturnsError() {
SelectConfig();
EXPECT_EQ(1, media_permission_->requests);
EXPECT_EQ(0, succeeded_count_);
EXPECT_EQ(1, not_supported_count_);
ASSERT_TRUE(media_permission_->requests != 0 && not_supported_count_ != 0);
}
void OnSucceeded(const WebMediaKeySystemConfiguration& config,
const CdmConfig& cdm_config) {
succeeded_count_++;
config_ = config;
cdm_config_ = cdm_config;
}
void OnNotSupported() { not_supported_count_++; }
std::unique_ptr<FakeKeySystems> key_systems_;
std::unique_ptr<FakeMediaPermission> media_permission_;
// Held values for the call to SelectConfig().
WebString key_system_ = WebString::FromUTF8(kSupportedKeySystem);
std::vector<WebMediaKeySystemConfiguration> configs_;
// Holds the selected configuration and CdmConfig.
WebMediaKeySystemConfiguration config_;
CdmConfig cdm_config_;
int succeeded_count_;
int not_supported_count_;
DISALLOW_COPY_AND_ASSIGN(KeySystemConfigSelectorTest);
};
// --- Basics ---
TEST_F(KeySystemConfigSelectorTest, NoConfigs) {
SelectConfigReturnsError();
}
TEST_F(KeySystemConfigSelectorTest, DefaultConfig) {
auto config = EmptyConfiguration();
// label = "";
ASSERT_EQ("", config.label);
// initDataTypes = [];
ASSERT_EQ(0u, config.init_data_types.size());
// audioCapabilities = [];
ASSERT_EQ(0u, config.audio_capabilities.size());
// videoCapabilities = [];
ASSERT_EQ(0u, config.video_capabilities.size());
// distinctiveIdentifier = "optional";
ASSERT_EQ(MediaKeysRequirement::kOptional, config.distinctive_identifier);
// persistentState = "optional";
ASSERT_EQ(MediaKeysRequirement::kOptional, config.persistent_state);
// If this member is not present when the dictionary is passed to
// requestMediaKeySystemAccess(), the dictionary will be treated as
// if this member is set to [ "temporary" ].
ASSERT_EQ(1u, config.session_types.size());
ASSERT_EQ(WebEncryptedMediaSessionType::kTemporary, config.session_types[0]);
}
TEST_F(KeySystemConfigSelectorTest, EmptyConfig) {
// EME spec requires that at least one of |video_capabilities| and
// |audio_capabilities| be specified.
configs_.push_back(EmptyConfiguration());
SelectConfigReturnsError();
}
// Most of the tests below assume that the the usable config is valid.
// Tests that touch |video_capabilities| and/or |audio_capabilities| can
// modify the empty config.
TEST_F(KeySystemConfigSelectorTest, UsableConfig) {
configs_.push_back(UsableConfiguration());
SelectConfigReturnsConfig();
EXPECT_EQ("", config_.label);
EXPECT_TRUE(config_.init_data_types.IsEmpty());
EXPECT_EQ(1u, config_.audio_capabilities.size());
EXPECT_TRUE(config_.video_capabilities.IsEmpty());
EXPECT_EQ(MediaKeysRequirement::kNotAllowed, config_.distinctive_identifier);
EXPECT_EQ(MediaKeysRequirement::kNotAllowed, config_.persistent_state);
ASSERT_EQ(1u, config_.session_types.size());
EXPECT_EQ(WebEncryptedMediaSessionType::kTemporary, config_.session_types[0]);
EXPECT_FALSE(cdm_config_.allow_distinctive_identifier);
EXPECT_FALSE(cdm_config_.allow_persistent_state);
EXPECT_FALSE(cdm_config_.use_hw_secure_codecs);
}
TEST_F(KeySystemConfigSelectorTest, Label) {
auto config = UsableConfiguration();
config.label = "foo";
configs_.push_back(config);
SelectConfigReturnsConfig();
EXPECT_EQ("foo", config_.label);
}
// --- keySystem ---
// Empty is not tested because the empty check is in Blink.
TEST_F(KeySystemConfigSelectorTest, KeySystem_NonAscii) {
key_system_ = "\xde\xad\xbe\xef";
configs_.push_back(UsableConfiguration());
SelectConfigReturnsError();
}
TEST_F(KeySystemConfigSelectorTest, KeySystem_Unsupported) {
key_system_ = kUnsupportedKeySystem;
configs_.push_back(UsableConfiguration());
SelectConfigReturnsError();
}
TEST_F(KeySystemConfigSelectorTest, KeySystem_ClearKey) {
key_system_ = kClearKeyKeySystem;
configs_.push_back(UsableConfiguration());
SelectConfigReturnsConfig();
}
// --- Disable EncryptedMedia ---
TEST_F(KeySystemConfigSelectorTest, EncryptedMediaDisabled_ClearKey) {
media_permission_->is_encrypted_media_enabled = false;
// Clear Key key system is always supported.
key_system_ = kClearKeyKeySystem;
configs_.push_back(UsableConfiguration());
SelectConfigReturnsConfig();
}
TEST_F(KeySystemConfigSelectorTest, EncryptedMediaDisabled_Supported) {
media_permission_->is_encrypted_media_enabled = false;
// Other key systems are not supported.
key_system_ = kSupportedKeySystem;
configs_.push_back(UsableConfiguration());
SelectConfigReturnsError();
}
// --- initDataTypes ---
TEST_F(KeySystemConfigSelectorTest, InitDataTypes_Empty) {
auto config = UsableConfiguration();
configs_.push_back(config);
SelectConfigReturnsConfig();
}
TEST_F(KeySystemConfigSelectorTest, InitDataTypes_NoneSupported) {
key_systems_->init_data_type_webm_supported_ = true;
std::vector<WebEncryptedMediaInitDataType> init_data_types;
init_data_types.push_back(WebEncryptedMediaInitDataType::kUnknown);
init_data_types.push_back(WebEncryptedMediaInitDataType::kCenc);
auto config = UsableConfiguration();
config.init_data_types = init_data_types;
configs_.push_back(config);
SelectConfigReturnsError();
}
TEST_F(KeySystemConfigSelectorTest, InitDataTypes_SubsetSupported) {
key_systems_->init_data_type_webm_supported_ = true;
std::vector<WebEncryptedMediaInitDataType> init_data_types;
init_data_types.push_back(WebEncryptedMediaInitDataType::kUnknown);
init_data_types.push_back(WebEncryptedMediaInitDataType::kCenc);
init_data_types.push_back(WebEncryptedMediaInitDataType::kWebm);
auto config = UsableConfiguration();
config.init_data_types = init_data_types;
configs_.push_back(config);
SelectConfigReturnsConfig();
ASSERT_EQ(1u, config_.init_data_types.size());
EXPECT_EQ(WebEncryptedMediaInitDataType::kWebm, config_.init_data_types[0]);
}
// --- distinctiveIdentifier ---
TEST_F(KeySystemConfigSelectorTest, DistinctiveIdentifier_Default) {
key_systems_->distinctive_identifier = EmeFeatureSupport::REQUESTABLE;
auto config = UsableConfiguration();
config.distinctive_identifier = MediaKeysRequirement::kOptional;
configs_.push_back(config);
SelectConfigReturnsConfig();
EXPECT_EQ(MediaKeysRequirement::kNotAllowed, config_.distinctive_identifier);
EXPECT_FALSE(cdm_config_.allow_distinctive_identifier);
}
TEST_F(KeySystemConfigSelectorTest, DistinctiveIdentifier_Forced) {
media_permission_->is_granted = true;
key_systems_->distinctive_identifier = EmeFeatureSupport::ALWAYS_ENABLED;
auto config = UsableConfiguration();
config.distinctive_identifier = MediaKeysRequirement::kOptional;
configs_.push_back(config);
SelectConfigRequestsPermissionAndReturnsConfig();
EXPECT_EQ(MediaKeysRequirement::kRequired, config_.distinctive_identifier);
EXPECT_TRUE(cdm_config_.allow_distinctive_identifier);
}
TEST_F(KeySystemConfigSelectorTest, DistinctiveIdentifier_Blocked) {
key_systems_->distinctive_identifier = EmeFeatureSupport::NOT_SUPPORTED;
auto config = UsableConfiguration();
config.distinctive_identifier = MediaKeysRequirement::kRequired;
configs_.push_back(config);
SelectConfigReturnsError();
}
TEST_F(KeySystemConfigSelectorTest, DistinctiveIdentifier_RequestsPermission) {
media_permission_->is_granted = true;
key_systems_->distinctive_identifier = EmeFeatureSupport::REQUESTABLE;
auto config = UsableConfiguration();
config.distinctive_identifier = MediaKeysRequirement::kRequired;
configs_.push_back(config);
SelectConfigRequestsPermissionAndReturnsConfig();
EXPECT_EQ(MediaKeysRequirement::kRequired, config_.distinctive_identifier);
EXPECT_TRUE(cdm_config_.allow_distinctive_identifier);
}
TEST_F(KeySystemConfigSelectorTest, DistinctiveIdentifier_RespectsPermission) {
media_permission_->is_granted = false;
key_systems_->distinctive_identifier = EmeFeatureSupport::REQUESTABLE;
auto config = UsableConfiguration();
config.distinctive_identifier = MediaKeysRequirement::kRequired;
configs_.push_back(config);
SelectConfigRequestsPermissionAndReturnsError();
}
// --- persistentState ---
TEST_F(KeySystemConfigSelectorTest, PersistentState_Default) {
key_systems_->persistent_state = EmeFeatureSupport::REQUESTABLE;
auto config = UsableConfiguration();
config.persistent_state = MediaKeysRequirement::kOptional;
configs_.push_back(config);
SelectConfigReturnsConfig();
EXPECT_EQ(MediaKeysRequirement::kNotAllowed, config_.persistent_state);
EXPECT_FALSE(cdm_config_.allow_persistent_state);
}
TEST_F(KeySystemConfigSelectorTest, PersistentState_Forced) {
key_systems_->persistent_state = EmeFeatureSupport::ALWAYS_ENABLED;
auto config = UsableConfiguration();
config.persistent_state = MediaKeysRequirement::kOptional;
configs_.push_back(config);
SelectConfigReturnsConfig();
EXPECT_EQ(MediaKeysRequirement::kRequired, config_.persistent_state);
EXPECT_TRUE(cdm_config_.allow_persistent_state);
}
TEST_F(KeySystemConfigSelectorTest, PersistentState_Blocked) {
key_systems_->persistent_state = EmeFeatureSupport::ALWAYS_ENABLED;
auto config = UsableConfiguration();
config.persistent_state = MediaKeysRequirement::kNotAllowed;
configs_.push_back(config);
SelectConfigReturnsError();
}
// --- sessionTypes ---
TEST_F(KeySystemConfigSelectorTest, SessionTypes_Empty) {
auto config = UsableConfiguration();
// Usable configuration has [ "temporary" ].
std::vector<WebEncryptedMediaSessionType> session_types;
config.session_types = session_types;
configs_.push_back(config);
SelectConfigReturnsConfig();
EXPECT_TRUE(config_.session_types.IsEmpty());
}
TEST_F(KeySystemConfigSelectorTest, SessionTypes_SubsetSupported) {
// Allow persistent state, as it would be required to be successful.
key_systems_->persistent_state = EmeFeatureSupport::REQUESTABLE;
key_systems_->persistent_license = EmeSessionTypeSupport::NOT_SUPPORTED;
std::vector<WebEncryptedMediaSessionType> session_types;
session_types.push_back(WebEncryptedMediaSessionType::kTemporary);
session_types.push_back(WebEncryptedMediaSessionType::kPersistentLicense);
auto config = UsableConfiguration();
config.session_types = session_types;
configs_.push_back(config);
SelectConfigReturnsError();
}
TEST_F(KeySystemConfigSelectorTest, SessionTypes_AllSupported) {
// Allow persistent state, and expect it to be required.
key_systems_->persistent_state = EmeFeatureSupport::REQUESTABLE;
key_systems_->persistent_license = EmeSessionTypeSupport::SUPPORTED;
std::vector<WebEncryptedMediaSessionType> session_types;
session_types.push_back(WebEncryptedMediaSessionType::kTemporary);
session_types.push_back(WebEncryptedMediaSessionType::kPersistentLicense);
auto config = UsableConfiguration();
config.persistent_state = MediaKeysRequirement::kOptional;
config.session_types = session_types;
configs_.push_back(config);
SelectConfigReturnsConfig();
EXPECT_EQ(MediaKeysRequirement::kRequired, config_.persistent_state);
ASSERT_EQ(2u, config_.session_types.size());
EXPECT_EQ(WebEncryptedMediaSessionType::kTemporary, config_.session_types[0]);
EXPECT_EQ(WebEncryptedMediaSessionType::kPersistentLicense,
config_.session_types[1]);
}
TEST_F(KeySystemConfigSelectorTest, SessionTypes_PermissionCanBeRequired) {
media_permission_->is_granted = true;
key_systems_->distinctive_identifier = EmeFeatureSupport::REQUESTABLE;
key_systems_->persistent_state = EmeFeatureSupport::REQUESTABLE;
key_systems_->persistent_license =
EmeSessionTypeSupport::SUPPORTED_WITH_IDENTIFIER;
std::vector<WebEncryptedMediaSessionType> session_types;
session_types.push_back(WebEncryptedMediaSessionType::kPersistentLicense);
auto config = UsableConfiguration();
config.distinctive_identifier = MediaKeysRequirement::kOptional;
config.persistent_state = MediaKeysRequirement::kOptional;
config.session_types = session_types;
configs_.push_back(config);
SelectConfigRequestsPermissionAndReturnsConfig();
EXPECT_EQ(MediaKeysRequirement::kRequired, config_.distinctive_identifier);
}
// --- videoCapabilities ---
TEST_F(KeySystemConfigSelectorTest, VideoCapabilities_Empty) {
auto config = UsableConfiguration();
configs_.push_back(config);
SelectConfigReturnsConfig();
}
TEST_F(KeySystemConfigSelectorTest, VideoCapabilities_ExtendedCodec) {
std::vector<WebMediaKeySystemMediaCapability> video_capabilities(1);
video_capabilities[0].content_type = "a";
video_capabilities[0].mime_type = kSupportedVideoContainer;
video_capabilities[0].codecs = kExtendedVideoCodec;
auto config = EmptyConfiguration();
config.video_capabilities = video_capabilities;
configs_.push_back(config);
SelectConfigReturnsConfig();
}
TEST_F(KeySystemConfigSelectorTest, VideoCapabilities_InvalidContainer) {
std::vector<WebMediaKeySystemMediaCapability> video_capabilities(1);
video_capabilities[0].content_type = "a";
video_capabilities[0].mime_type = kInvalidContainer;
video_capabilities[0].codecs = kSupportedVideoCodec;
auto config = EmptyConfiguration();
config.video_capabilities = video_capabilities;
configs_.push_back(config);
SelectConfigReturnsError();
}
TEST_F(KeySystemConfigSelectorTest, VideoCapabilities_UnsupportedContainer) {
std::vector<WebMediaKeySystemMediaCapability> video_capabilities(1);
video_capabilities[0].content_type = "a";
video_capabilities[0].mime_type = kUnsupportedContainer;
video_capabilities[0].codecs = kSupportedVideoCodec;
auto config = EmptyConfiguration();
config.video_capabilities = video_capabilities;
configs_.push_back(config);
SelectConfigReturnsError();
}
TEST_F(KeySystemConfigSelectorTest, VideoCapabilities_IncompatibleContainer) {
std::vector<WebMediaKeySystemMediaCapability> video_capabilities(1);
video_capabilities[0].content_type = "a";
video_capabilities[0].mime_type = kSupportedAudioContainer;
video_capabilities[0].codecs = kSupportedVideoCodec;
auto config = EmptyConfiguration();
config.video_capabilities = video_capabilities;
configs_.push_back(config);
SelectConfigReturnsError();
}
TEST_F(KeySystemConfigSelectorTest, VideoCapabilities_InvalidCodec) {
std::vector<WebMediaKeySystemMediaCapability> video_capabilities(1);
video_capabilities[0].content_type = "a";
video_capabilities[0].mime_type = kSupportedVideoContainer;
video_capabilities[0].codecs = kInvalidCodec;
auto config = EmptyConfiguration();
config.video_capabilities = video_capabilities;
configs_.push_back(config);
SelectConfigReturnsError();
}
TEST_F(KeySystemConfigSelectorTest, VideoCapabilities_UnsupportedCodec) {
std::vector<WebMediaKeySystemMediaCapability> video_capabilities(1);
video_capabilities[0].content_type = "a";
video_capabilities[0].mime_type = kInvalidContainer;
video_capabilities[0].codecs = kUnsupportedCodec;
auto config = EmptyConfiguration();
config.video_capabilities = video_capabilities;
configs_.push_back(config);
SelectConfigReturnsError();
}
TEST_F(KeySystemConfigSelectorTest, VideoCapabilities_IncompatibleCodec) {
std::vector<WebMediaKeySystemMediaCapability> video_capabilities(1);
video_capabilities[0].content_type = "a";
video_capabilities[0].mime_type = kSupportedVideoContainer;
video_capabilities[0].codecs = kSupportedAudioCodec;
auto config = EmptyConfiguration();
config.video_capabilities = video_capabilities;
configs_.push_back(config);
SelectConfigReturnsError();
}
TEST_F(KeySystemConfigSelectorTest,
VideoCapabilities_UnsupportedByAesDecryptorCodec_ClearKey) {
key_system_ = kClearKeyKeySystem;
std::vector<WebMediaKeySystemMediaCapability> video_capabilities(1);
video_capabilities[0].content_type = "a";
video_capabilities[0].mime_type = kSupportedVideoContainer;
video_capabilities[0].codecs = kUnsupportedByAesDecryptorCodec;
auto config = EmptyConfiguration();
config.video_capabilities = video_capabilities;
configs_.push_back(config);
SelectConfigReturnsError();
}
TEST_F(KeySystemConfigSelectorTest,
VideoCapabilities_UnsupportedByAesDecryptorCodec) {
std::vector<WebMediaKeySystemMediaCapability> video_capabilities(1);
video_capabilities[0].content_type = "a";
video_capabilities[0].mime_type = kSupportedVideoContainer;
video_capabilities[0].codecs = kUnsupportedByAesDecryptorCodec;
auto config = EmptyConfiguration();
config.video_capabilities = video_capabilities;
configs_.push_back(config);
SelectConfigReturnsConfig();
ASSERT_EQ(1u, config_.video_capabilities.size());
}
TEST_F(KeySystemConfigSelectorTest, VideoCapabilities_SubsetSupported) {
std::vector<WebMediaKeySystemMediaCapability> video_capabilities(2);
video_capabilities[0].content_type = "a";
video_capabilities[0].mime_type = kInvalidContainer;
video_capabilities[1].content_type = "b";
video_capabilities[1].mime_type = kSupportedVideoContainer;
video_capabilities[1].codecs = kSupportedVideoCodec;
auto config = EmptyConfiguration();
config.video_capabilities = video_capabilities;
configs_.push_back(config);
SelectConfigReturnsConfig();
ASSERT_EQ(1u, config_.video_capabilities.size());
EXPECT_EQ("b", config_.video_capabilities[0].content_type);
EXPECT_EQ(kSupportedVideoContainer, config_.video_capabilities[0].mime_type);
}
TEST_F(KeySystemConfigSelectorTest, VideoCapabilities_AllSupported) {
std::vector<WebMediaKeySystemMediaCapability> video_capabilities(2);
video_capabilities[0].content_type = "a";
video_capabilities[0].mime_type = kSupportedVideoContainer;
video_capabilities[0].codecs = GetSupportedVideoCodecs();
video_capabilities[1].content_type = "b";
video_capabilities[1].mime_type = kSupportedVideoContainer;
video_capabilities[1].codecs = GetSupportedVideoCodecs();
auto config = EmptyConfiguration();
config.video_capabilities = video_capabilities;
configs_.push_back(config);
SelectConfigReturnsConfig();
ASSERT_EQ(2u, config_.video_capabilities.size());
EXPECT_EQ("a", config_.video_capabilities[0].content_type);
EXPECT_EQ("b", config_.video_capabilities[1].content_type);
}
// --- videoCapabilities Codecs ---
TEST_F(KeySystemConfigSelectorTest, VideoCapabilities_Codecs_SubsetInvalid) {
std::vector<WebMediaKeySystemMediaCapability> video_capabilities(1);
video_capabilities[0].content_type = "a";
video_capabilities[0].mime_type = kSupportedVideoContainer;
video_capabilities[0].codecs = GetSubsetInvalidVideoCodecs();
auto config = EmptyConfiguration();
config.video_capabilities = video_capabilities;
configs_.push_back(config);
SelectConfigReturnsError();
}
TEST_F(KeySystemConfigSelectorTest, VideoCapabilities_Codecs_SubsetSupported) {
std::vector<WebMediaKeySystemMediaCapability> video_capabilities(1);
video_capabilities[0].content_type = "a";
video_capabilities[0].mime_type = kSupportedVideoContainer;
video_capabilities[0].codecs = GetSubsetSupportedVideoCodecs();
auto config = EmptyConfiguration();
config.video_capabilities = video_capabilities;
configs_.push_back(config);
SelectConfigReturnsError();
}
TEST_F(KeySystemConfigSelectorTest, VideoCapabilities_Codecs_AllSupported) {
std::vector<WebMediaKeySystemMediaCapability> video_capabilities(1);
video_capabilities[0].content_type = "a";
video_capabilities[0].mime_type = kSupportedVideoContainer;
video_capabilities[0].codecs = GetSupportedVideoCodecs();
auto config = EmptyConfiguration();
config.video_capabilities = video_capabilities;
configs_.push_back(config);
SelectConfigReturnsConfig();
ASSERT_EQ(1u, config_.video_capabilities.size());
EXPECT_EQ(GetSupportedVideoCodecs(), config_.video_capabilities[0].codecs);
}
TEST_F(KeySystemConfigSelectorTest, VideoCapabilities_Missing_Codecs) {
std::vector<WebMediaKeySystemMediaCapability> video_capabilities(1);
video_capabilities[0].content_type = "a";
video_capabilities[0].mime_type = kSupportedVideoContainer;
auto config = EmptyConfiguration();
config.video_capabilities = video_capabilities;
configs_.push_back(config);
SelectConfigReturnsError();
}
// --- videoCapabilities Robustness ---
TEST_F(KeySystemConfigSelectorTest, VideoCapabilities_Robustness_Empty) {
std::vector<WebMediaKeySystemMediaCapability> video_capabilities(1);
video_capabilities[0].content_type = "a";
video_capabilities[0].mime_type = kSupportedVideoContainer;
video_capabilities[0].codecs = kSupportedVideoCodec;
ASSERT_TRUE(video_capabilities[0].robustness.IsEmpty());
auto config = EmptyConfiguration();
config.video_capabilities = video_capabilities;
configs_.push_back(config);
SelectConfigReturnsConfig();