Add QgsProcessingParameterType tests

tests/src/analysis/testqgsprocessing.cpp

@@ -20,6 +20,7 @@
 #include "qgsprocessingutils.h"
 #include "qgsprocessingalgorithm.h"
 #include "qgsprocessingcontext.h"
+#include "qgsprocessingparametertype.h"
 #include "qgsprocessingmodelalgorithm.h"
 #include "qgsnativealgorithms.h"
 #include <QObject>
@@ -380,6 +381,33 @@ class DummyProvider3 : public QgsProcessingProvider
 
 };
 
+class DummyParameterType : public QgsProcessingParameterType
+{
+
+
+    // QgsProcessingParameterType interface
+  public:
+    QgsProcessingParameterDefinition *create( const QString &name ) const
+    {
+      return new QgsProcessingParameterString( name );
+    }
+
+    QString description() const
+    {
+      return QStringLiteral( "Description" );
+    }
+
+    QString name() const
+    {
+      return QStringLiteral( "ParamType" );
+    }
+
+    QString id() const
+    {
+      return QStringLiteral( "paramType" );
+    }
+};
+
 class TestQgsProcessing: public QObject
 {
     Q_OBJECT
@@ -450,6 +478,10 @@ class TestQgsProcessing: public QObject
     void stringToPythonLiteral();
     void defaultExtensionsForProvider();
     void supportsNonFileBasedOutput();
+    void addParameterType();
+    void removeParameterType();
+    void parameterTypes();
+    void parameterType();
 
   private:
 
@@ -5971,5 +6003,51 @@ void TestQgsProcessing::supportsNonFileBasedOutput()
   QVERIFY( !static_cast< const QgsProcessingDestinationParameter * >( alg2.destinationParameterDefinitions().at( 1 ) )->supportsNonFileBasedOutput() );
 }
 
+void TestQgsProcessing::addParameterType()
+{
+  QgsProcessingRegistry reg;
+  QSignalSpy spy( &reg, &QgsProcessingRegistry::parameterTypeAdded );
+  reg.addParameterType( new DummyParameterType() );
+  QCOMPARE( spy.count(), 1 );
+}
+
+void TestQgsProcessing::removeParameterType()
+{
+  QgsProcessingRegistry reg;
+
+  auto paramType = new DummyParameterType();
+
+  reg.addParameterType( paramType );
+  QSignalSpy spy( &reg, &QgsProcessingRegistry::parameterTypeRemoved );
+  reg.removeParameterType( paramType );
+  QCOMPARE( spy.count(), 1 );
+}
+
+void TestQgsProcessing::parameterTypes()
+{
+  QgsProcessingRegistry reg;
+  int coreParamCount = reg.parameterTypes().count();
+  QVERIFY( coreParamCount > 5 );
+
+  auto paramType = new DummyParameterType();
+
+  reg.addParameterType( paramType );
+  QCOMPARE( reg.parameterTypes().count(), coreParamCount + 1 );
+  QVERIFY( reg.parameterTypes().contains( paramType ) );
+}
+
+void TestQgsProcessing::parameterType()
+{
+  QgsProcessingRegistry reg;
+
+  QVERIFY( reg.parameterType( QStringLiteral( "string" ) ) );
+  QVERIFY( !reg.parameterType( QStringLiteral( "borken" ) ) );
+
+  auto paramType = new DummyParameterType();
+
+  reg.addParameterType( paramType );
+  QCOMPARE( reg.parameterType( QStringLiteral( "paramType" ) ), paramType );
+}
+
 QGSTEST_MAIN( TestQgsProcessing )
 #include "testqgsprocessing.moc"