Event listeners no longer take reporter config in constructor

This also required splitting out Listener factory from
the reporter factory hierarchy. In return, the listener
factories only need to take in `IConfig const*`, which
opens up further refactorings down the road in the colour
selection and implementation.

src/catch2/catch_registry_hub.cpp

@@ -51,7 +51,7 @@ namespace Catch {
             void registerReporter( std::string const& name, IReporterFactoryPtr factory ) override {
                 m_reporterRegistry.registerReporter( name, CATCH_MOVE(factory) );
             }
-            void registerListener( IReporterFactoryPtr factory ) override {
+            void registerListener( Detail::unique_ptr<EventListenerFactory> factory ) override {
                 m_reporterRegistry.registerListener( CATCH_MOVE(factory) );
             }
             void registerTest( Detail::unique_ptr<TestCaseInfo>&& testInfo, Detail::unique_ptr<ITestInvoker>&& invoker ) override {

src/catch2/catch_session.cpp

@@ -52,7 +52,7 @@ namespace Catch {
 
             auto const& listeners = Catch::getRegistryHub().getReporterRegistry().getListeners();
             for (auto const& listener : listeners) {
-                multi->addListener(listener->create(Catch::ReporterConfig(config, config->defaultStream())));
+                multi->addListener(listener->create(config));
             }
 
             std::size_t reporterIdx = 0;

src/catch2/interfaces/catch_interfaces_combined_tu.cpp

@@ -86,4 +86,5 @@ namespace Catch {
 
 namespace Catch {
     IReporterFactory::~IReporterFactory() = default;
+    EventListenerFactory::~EventListenerFactory() = default;
 }

src/catch2/interfaces/catch_interfaces_registry_hub.hpp

@@ -27,6 +27,7 @@ namespace Catch {
     struct SourceLineInfo;
 
     class StartupExceptionRegistry;
+    class EventListenerFactory;
 
     using IReporterFactoryPtr = Detail::unique_ptr<IReporterFactory>;
 
@@ -45,7 +46,7 @@ namespace Catch {
     struct IMutableRegistryHub {
         virtual ~IMutableRegistryHub(); // = default
         virtual void registerReporter( std::string const& name, IReporterFactoryPtr factory ) = 0;
-        virtual void registerListener( IReporterFactoryPtr factory ) = 0;
+        virtual void registerListener( Detail::unique_ptr<EventListenerFactory> factory ) = 0;
         virtual void registerTest(Detail::unique_ptr<TestCaseInfo>&& testInfo, Detail::unique_ptr<ITestInvoker>&& invoker) = 0;
         virtual void registerTranslator( Detail::unique_ptr<IExceptionTranslator>&& translator ) = 0;
         virtual void registerTagAlias( std::string const& alias, std::string const& tag, SourceLineInfo const& lineInfo ) = 0;

src/catch2/interfaces/catch_interfaces_reporter_factory.hpp

@@ -15,6 +15,7 @@
 namespace Catch {
 
     struct ReporterConfig;
+    struct IConfig;
     class IEventListener;
     using IStreamingReporterPtr = Detail::unique_ptr<IEventListener>;
 
@@ -27,6 +28,13 @@ namespace Catch {
         virtual std::string getDescription() const = 0;
     };
     using IReporterFactoryPtr = Detail::unique_ptr<IReporterFactory>;
+
+    class EventListenerFactory {
+    public:
+        virtual ~EventListenerFactory(); // = default
+        virtual IStreamingReporterPtr create( IConfig const* config ) const = 0;
+        virtual std::string getDescription() const = 0;
+    };
 } // namespace Catch
 
 #endif // CATCH_INTERFACES_REPORTER_FACTORY_HPP_INCLUDED

src/catch2/interfaces/catch_interfaces_reporter_registry.hpp

@@ -24,10 +24,11 @@ namespace Catch {
     struct IReporterFactory;
     using IReporterFactoryPtr = Detail::unique_ptr<IReporterFactory>;
     struct ReporterConfig;
+    class EventListenerFactory;
 
     struct IReporterRegistry {
         using FactoryMap = std::map<std::string, IReporterFactoryPtr, Detail::CaseInsensitiveLess>;
-        using Listeners = std::vector<IReporterFactoryPtr>;
+        using Listeners = std::vector<Detail::unique_ptr<EventListenerFactory>>;
 
         virtual ~IReporterRegistry(); // = default
         virtual IStreamingReporterPtr create( std::string const& name, ReporterConfig const& config ) const = 0;

src/catch2/internal/catch_reporter_registry.cpp

@@ -49,7 +49,8 @@ namespace Catch {
                        "'::' is not allowed in reporter name: '" + name + '\'' );
         m_factories.emplace(name, CATCH_MOVE(factory));
     }
-    void ReporterRegistry::registerListener( IReporterFactoryPtr factory ) {
+    void ReporterRegistry::registerListener(
+        Detail::unique_ptr<EventListenerFactory> factory ) {
         m_listeners.push_back( CATCH_MOVE(factory) );
     }
 

src/catch2/internal/catch_reporter_registry.hpp

@@ -24,7 +24,7 @@ namespace Catch {
         IStreamingReporterPtr create( std::string const& name, ReporterConfig const& config ) const override;
 
         void registerReporter( std::string const& name, IReporterFactoryPtr factory );
-        void registerListener( IReporterFactoryPtr factory );
+        void registerListener( Detail::unique_ptr<EventListenerFactory> factory );
 
         FactoryMap const& getFactories() const override;
         Listeners const& getListeners() const override;

src/catch2/reporters/catch_reporter_event_listener.hpp

@@ -21,8 +21,7 @@ namespace Catch {
      */
     class EventListenerBase : public IEventListener {
     public:
-        EventListenerBase( ReporterConfig const& config ):
-            IEventListener( config.fullConfig() ) {}
+        using IEventListener::IEventListener;
 
         void reportInvalidTestSpec( StringRef unmatchedSpec ) override;
         void fatalErrorEncountered( StringRef error ) override;

src/catch2/reporters/catch_reporter_registrars.hpp

@@ -43,9 +43,10 @@ namespace Catch {
     template<typename T>
     class ListenerRegistrar {
 
-        class ListenerFactory : public IReporterFactory {
+        class TypedListenerFactory : public EventListenerFactory {
 
-            IStreamingReporterPtr create( ReporterConfig const& config ) const override {
+            IStreamingReporterPtr
+            create( IConfig const* config ) const override {
                 return Detail::make_unique<T>(config);
             }
             std::string getDescription() const override {
@@ -56,7 +57,7 @@ namespace Catch {
     public:
 
         ListenerRegistrar() {
-            getMutableRegistryHub().registerListener( Detail::make_unique<ListenerFactory>() );
+            getMutableRegistryHub().registerListener( Detail::make_unique<TypedListenerFactory>() );
         }
     };
 }

tests/ExtraTests/X24-ListenerStdoutCaptureInMultireporter.cpp

@@ -25,7 +25,7 @@
 namespace {
 	class NonCapturingListener : public Catch::EventListenerBase {
     public:
-        NonCapturingListener( Catch::ReporterConfig const& config ):
+        NonCapturingListener( Catch::IConfig const* config ):
             EventListenerBase( config ) {
             m_preferences.shouldRedirectStdOut = false;
             std::cerr << "X24 - NonCapturingListener initialized.\n";

tests/ExtraTests/X25-ListenerCanAskForCapturedStdout.cpp

@@ -25,7 +25,7 @@
 namespace {
 	class CapturingListener : public Catch::EventListenerBase {
     public:
-        CapturingListener( Catch::ReporterConfig const& config ):
+        CapturingListener( Catch::IConfig const* config ):
             EventListenerBase( config ) {
             m_preferences.shouldRedirectStdOut = true;
             std::cerr << "CapturingListener initialized\n";

tests/ExtraTests/X28-ListenersGetEventsBeforeReporters.cpp

@@ -30,7 +30,7 @@ namespace {
 
     class TestListener : public Catch::EventListenerBase {
     public:
-        TestListener( Catch::ReporterConfig const& config ):
+        TestListener( Catch::IConfig const* config ):
             EventListenerBase( config ) {
             std::cout << "X28 - TestListener constructed.\n";
         }

tests/SelfTest/IntrospectiveTests/Reporters.tests.cpp

@@ -143,7 +143,7 @@ namespace {
     public:
         MockListener( std::string witness,
                       std::vector<std::string>& recorder,
-                      Catch::ReporterConfig const& config ):
+                      Catch::IConfig const* config ):
             EventListenerBase( config ),
             m_witness( witness ),
             m_recorder( recorder )
@@ -187,10 +187,10 @@ TEST_CASE("Multireporter calls reporters and listeners in correct order",
     std::vector<std::string> records;
     multiReporter.addReporter( Catch::Detail::make_unique<MockReporter>(
         "Goodbye", records, rep_config ) );
-    multiReporter.addListener( Catch::Detail::make_unique<MockListener>(
-        "Hello", records, rep_config ) );
-    multiReporter.addListener( Catch::Detail::make_unique<MockListener>(
-        "world", records, rep_config ) );
+    multiReporter.addListener(
+        Catch::Detail::make_unique<MockListener>( "Hello", records, &config ) );
+    multiReporter.addListener(
+        Catch::Detail::make_unique<MockListener>( "world", records, &config ) );
     multiReporter.addReporter( Catch::Detail::make_unique<MockReporter>(
         "world", records, rep_config ) );
     multiReporter.testRunStarting( { "" } );
@@ -206,7 +206,7 @@ namespace {
     public:
         PreferenceListener( bool redirectStdout,
                             bool reportAllAssertions,
-                            Catch::ReporterConfig const& config ):
+                            Catch::IConfig const* config ):
             EventListenerBase( config ) {
             m_preferences.shouldRedirectStdOut = redirectStdout;
             m_preferences.shouldReportAllAssertions = reportAllAssertions;
@@ -242,19 +242,19 @@ TEST_CASE("Multireporter updates ReporterPreferences properly",
     SECTION( "Adding listeners" ) {
         multiReporter.addListener(
             Catch::Detail::make_unique<PreferenceListener>(
-                true, false, rep_config ) );
+                true, false, &config ) );
         REQUIRE( multiReporter.getPreferences().shouldRedirectStdOut == true );
         REQUIRE( multiReporter.getPreferences().shouldReportAllAssertions == false );
 
         multiReporter.addListener(
             Catch::Detail::make_unique<PreferenceListener>(
-                false, true, rep_config ) );
+                false, true, &config ) );
         REQUIRE( multiReporter.getPreferences().shouldRedirectStdOut == true );
         REQUIRE( multiReporter.getPreferences().shouldReportAllAssertions == true);
 
         multiReporter.addListener(
             Catch::Detail::make_unique<PreferenceListener>(
-                false, false, rep_config ) );
+                false, false, &config ) );
         REQUIRE( multiReporter.getPreferences().shouldRedirectStdOut == true );
         REQUIRE( multiReporter.getPreferences().shouldReportAllAssertions == true );
     }

tests/SelfTest/TestRegistrations.cpp

@@ -48,7 +48,7 @@ class ValidatingTestListener : public Catch::EventListenerBase {
     };
 
 public:
-    ValidatingTestListener(Catch::ReporterConfig const& config) :
+    ValidatingTestListener(Catch::IConfig const* config) :
         EventListenerBase(config) {
         m_preferences.shouldReportAllAssertions = true;
     }