#782 Add tests with nested flattening target

processor/src/test/java/org/mapstruct/ap/test/builder/nestedprop/flattening/Article.java

@@ -0,0 +1,32 @@
+/**
+ *  Copyright 2012-2017 Gunnar Morling (http://www.gunnarmorling.de/)
+ *  and/or other contributors as indicated by the @authors tag. See the
+ *  copyright.txt file in the distribution for a full listing of all
+ *  contributors.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package org.mapstruct.ap.test.builder.nestedprop.flattening;
+
+public class Article {
+    private  String description;
+
+    public String getDescription() {
+        return description;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+}

processor/src/test/java/org/mapstruct/ap/test/builder/nestedprop/flattening/BuilderNestedPropertyTest.java

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+/**
+ *  Copyright 2012-2017 Gunnar Morling (http://www.gunnarmorling.de/)
+ *  and/or other contributors as indicated by the @authors tag. See the
+ *  copyright.txt file in the distribution for a full listing of all
+ *  contributors.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package org.mapstruct.ap.test.builder.nestedprop.flattening;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mapstruct.ap.testutil.WithClasses;
+import org.mapstruct.ap.testutil.runner.AnnotationProcessorTestRunner;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Verifies that nested property mapping works with an immutable intermediate type.
+ */
+@WithClasses({
+    ImmutableFlattenedStock.class,
+    Stock.class,
+    Article.class,
+    FlatteningMapper.class
+})
+@RunWith(AnnotationProcessorTestRunner.class)
+public class BuilderNestedPropertyTest {
+
+    @Test
+    public void testNestedImmutablePropertyMapper() {
+
+        Stock stock = new Stock();
+        Article article1 = new Article();
+        article1.setDescription( "shavingfoam" );
+        Article article2 = new Article();
+        article2.setDescription( "soap" );
+        stock.setCount( 2 );
+        stock.setFirst( article1 );
+        stock.setSecond( article2 );
+
+        ImmutableFlattenedStock flattenedTarget  = FlatteningMapper.INSTANCE.writeToFlatProperty( stock );
+
+        assertThat( flattenedTarget ).isNotNull();
+        assertThat( flattenedTarget.getArticleCount() ).isEqualTo( 2 );
+        assertThat( flattenedTarget.getArticle1() ).isEqualTo( "shavingfoam" );
+        assertThat( flattenedTarget.getArticle2() ).isNull();
+    }
+}

processor/src/test/java/org/mapstruct/ap/test/builder/nestedprop/flattening/FlatteningMapper.java

@@ -0,0 +1,37 @@
+/**
+ *  Copyright 2012-2017 Gunnar Morling (http://www.gunnarmorling.de/)
+ *  and/or other contributors as indicated by the @authors tag. See the
+ *  copyright.txt file in the distribution for a full listing of all
+ *  contributors.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package org.mapstruct.ap.test.builder.nestedprop.flattening;
+
+import org.mapstruct.Mapper;
+import org.mapstruct.Mapping;
+import org.mapstruct.Mappings;
+import org.mapstruct.factory.Mappers;
+
+@Mapper
+public interface FlatteningMapper {
+
+    FlatteningMapper INSTANCE = Mappers.getMapper( FlatteningMapper.class );
+
+    @Mappings({
+        @Mapping(target = "articleCount", source = "count"),
+        @Mapping(target = "article1", source = "first.description"),
+        @Mapping(target = "article2", ignore = true)
+    })
+    ImmutableFlattenedStock writeToFlatProperty(Stock source);
+}

processor/src/test/java/org/mapstruct/ap/test/builder/nestedprop/flattening/ImmutableFlattenedStock.java

@@ -0,0 +1,78 @@
+/**
+ *  Copyright 2012-2017 Gunnar Morling (http://www.gunnarmorling.de/)
+ *  and/or other contributors as indicated by the @authors tag. See the
+ *  copyright.txt file in the distribution for a full listing of all
+ *  contributors.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package org.mapstruct.ap.test.builder.nestedprop.flattening;
+
+public class ImmutableFlattenedStock {
+
+    private final String article1;
+    private final String article2;
+    private final int articleCount;
+
+    public ImmutableFlattenedStock(String article1, String article2, int count) {
+        this.article1 = article1;
+        this.article2 = article2;
+        this.articleCount = count;
+    }
+
+    public String getArticle1() {
+        return article1;
+    }
+
+    public String getArticle2() {
+        return article2;
+    }
+
+    public int getArticleCount() {
+        return articleCount;
+    }
+
+    public static ImmutableFlattenedStock.Builder builder() {
+        return new ImmutableFlattenedStock.Builder();
+    }
+
+    public static class Builder {
+
+        private String article1;
+        private String article2;
+        private int articleCount;
+
+        public Builder() {
+        }
+
+        public Builder setArticle1(String article1) {
+            this.article1 = article1;
+            return this;
+        }
+
+        public Builder setArticle2(String article2) {
+            this.article2 = article2;
+            return this;
+        }
+
+        public Builder setArticleCount(int articleCount) {
+            this.articleCount = articleCount;
+            return this;
+        }
+
+        public ImmutableFlattenedStock build() {
+            return new ImmutableFlattenedStock( article1, article2, articleCount );
+        }
+
+    }
+}

processor/src/test/java/org/mapstruct/ap/test/builder/nestedprop/flattening/Stock.java

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+/**
+ *  Copyright 2012-2017 Gunnar Morling (http://www.gunnarmorling.de/)
+ *  and/or other contributors as indicated by the @authors tag. See the
+ *  copyright.txt file in the distribution for a full listing of all
+ *  contributors.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package org.mapstruct.ap.test.builder.nestedprop.flattening;
+
+public class Stock {
+    private  int count;
+    private  Article first;
+    private  Article second;
+
+    public int getCount() {
+        return count;
+    }
+
+    public void setCount(int count) {
+        this.count = count;
+    }
+
+    public Article getFirst() {
+        return first;
+    }
+
+    public void setFirst(Article first) {
+        this.first = first;
+    }
+
+    public Article getSecond() {
+        return second;
+    }
+
+    public void setSecond(Article second) {
+        this.second = second;
+    }
+
+}