From 6e98941c074f8da55829a22f858b308be42dbf07 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Bartoletti?=
 <lbartoletti@users.noreply.github.com>
Date: Thu, 17 Apr 2025 16:29:58 +0200
Subject: [PATCH] Update testqgsprocessingcheckgeometry.cpp

---
 .../testqgsprocessingcheckgeometry.cpp        | 45 ++++++++++++++++++-
 1 file changed, 44 insertions(+), 1 deletion(-)

diff --git a/tests/src/analysis/testqgsprocessingcheckgeometry.cpp b/tests/src/analysis/testqgsprocessingcheckgeometry.cpp
index 388e037aa9c..f8f550d9815 100644
--- a/tests/src/analysis/testqgsprocessingcheckgeometry.cpp
+++ b/tests/src/analysis/testqgsprocessingcheckgeometry.cpp
@@ -48,6 +48,9 @@ class TestQgsProcessingCheckGeometry : public QgsTest
     void selfIntersectionAlg_data();
     void selfIntersectionAlg();
 
+    void duplicateNodesAlg_data();
+    void duplicateNodesAlg();
+
     void dangleAlg();
 
     void followBoundariesAlg();
@@ -421,6 +424,46 @@ void TestQgsProcessingCheckGeometry::dangleAlg()
   QCOMPARE( errorsLayer->featureCount(), 6 );
 }
 
+void TestQgsProcessingCheckGeometry::duplicateNodesAlg_data()
+{
+  QTest::addColumn<QgsVectorLayer *>( "layerToTest" );
+  QTest::addColumn<int>( "expectedErrorCount" );
+  QTest::newRow( "Line layer" ) << mLineLayer << 3;
+  QTest::newRow( "Polygon layer" ) << mPolygonLayer << 1;
+}
+
+void TestQgsProcessingCheckGeometry::duplicateNodesAlg()
+{
+  QFETCH( QgsVectorLayer *, layerToTest );
+  QFETCH( int, expectedErrorCount );
+
+  std::unique_ptr< QgsProcessingAlgorithm > alg(
+    QgsApplication::processingRegistry()->createAlgorithmById( QStringLiteral( "native:checkgeometryduplicatenodes" ) )
+  );
+  QVERIFY( alg != nullptr );
+
+  QVariantMap parameters;
+  parameters.insert( QStringLiteral( "INPUT" ), QVariant::fromValue( layerToTest ) );
+  parameters.insert( QStringLiteral( "UNIQUE_ID" ), "id" );
+  parameters.insert( QStringLiteral( "OUTPUT" ), QgsProcessing::TEMPORARY_OUTPUT );
+  parameters.insert( QStringLiteral( "ERRORS" ), QgsProcessing::TEMPORARY_OUTPUT );
+
+  bool ok = false;
+  QgsProcessingFeedback feedback;
+  std::unique_ptr< QgsProcessingContext > context = std::make_unique< QgsProcessingContext >();
+
+  QVariantMap results;
+  results = alg->run( parameters, *context, &feedback, &ok );
+  QVERIFY( ok );
+
+  std::unique_ptr<QgsVectorLayer> outputLayer( qobject_cast< QgsVectorLayer * >( context->getMapLayer( results.value( QStringLiteral( "OUTPUT" ) ).toString() ) ) );
+  std::unique_ptr<QgsVectorLayer> errorsLayer( qobject_cast< QgsVectorLayer * >( context->getMapLayer( results.value( QStringLiteral( "ERRORS" ) ).toString() ) ) );
+  QVERIFY( outputLayer->isValid() );
+  QVERIFY( errorsLayer->isValid() );
+  QCOMPARE( outputLayer->featureCount(), expectedErrorCount );
+  QCOMPARE( errorsLayer->featureCount(), expectedErrorCount );
+}
+
 void TestQgsProcessingCheckGeometry::followBoundariesAlg()
 {
   std::unique_ptr< QgsProcessingAlgorithm > alg(
@@ -456,4 +499,4 @@ void TestQgsProcessingCheckGeometry::followBoundariesAlg()
 }
 
 QGSTEST_MAIN( TestQgsProcessingCheckGeometry )
-#include "testqgsprocessingcheckgeometry.moc"
\ No newline at end of file
+#include "testqgsprocessingcheckgeometry.moc"