spring-boot-2-template

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package by.andd3dfx.templateapp.mappers;
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import by.andd3dfx.templateapp.dto.ArticleDto;
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import by.andd3dfx.templateapp.dto.ArticleUpdateDto;
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import by.andd3dfx.templateapp.persistence.entities.Article;
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import org.junit.jupiter.api.Test;
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import org.mapstruct.factory.Mappers;
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import java.time.LocalDateTime;
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import java.util.Arrays;
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import java.util.List;
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import static org.hamcrest.CoreMatchers.is;
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import static org.hamcrest.CoreMatchers.nullValue;
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import static org.hamcrest.MatcherAssert.assertThat;
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class ArticleMapperTest {
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    private ArticleMapper mapper = Mappers.getMapper(ArticleMapper.class);
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    @Test
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    void toArticleDto() {
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        Article article = buildArticle();
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        ArticleDto articleDto = mapper.toArticleDto(article);
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        checkCompareAssertions(articleDto, article);
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    }
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    @Test
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    void toArticleDtoForNull() {
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        assertThat(mapper.toArticleDto(null), nullValue());
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    }
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    @Test
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    void toArticle() {
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        ArticleDto articleDto = buildArticleDto();
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        Article article = mapper.toArticle(articleDto);
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        checkCompareAssertions(articleDto, article);
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    }
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    @Test
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    void toArticleForNull() {
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        assertThat(mapper.toArticle(null), nullValue());
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    }
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    @Test
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    void toArticleWithTarget() {
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        final String NEW_TITLE = "New title";
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        ArticleUpdateDto source = ArticleUpdateDto.builder()
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                .title(NEW_TITLE)
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                .build();
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        Article target = buildArticle();
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        final String OLD_TEXT = target.getText();
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        mapper.toArticle(source, target);
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        assertThat(target.getTitle(), is(NEW_TITLE));
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        assertThat(target.getText(), is(OLD_TEXT));
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    }
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    @Test
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    void toArticleWithTargetForNull() {
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        Article target = buildArticle();
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        final String OLD_TEXT = target.getText();
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        mapper.toArticle(null, target);
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        assertThat(target.getText(), is(OLD_TEXT));
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    }
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    private Article buildArticle() {
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        return Article.builder()
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                .id(123L)
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                .title("Some tittle value")
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                .summary("Some summary value")
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                .text("Some text")
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                .author("John Deer")
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                .dateCreated(LocalDateTime.of(1980, 9, 21, 0, 0))
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                .dateUpdated(LocalDateTime.of(2011, 3, 5, 0, 0))
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                .build();
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    }
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    private ArticleDto buildArticleDto() {
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        return ArticleDto.builder()
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                .id(123L)
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                .title("Some tittle value")
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                .summary("Some summary value")
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                .text("Some text")
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                .author("John Deer")
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                .dateCreated(LocalDateTime.of(1980, 9, 21, 0, 0))
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                .dateUpdated(LocalDateTime.of(2011, 3, 5, 0, 0))
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                .build();
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    }
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    private void checkCompareAssertions(ArticleDto articleDto, Article article) {
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        assertThat("Wrong id", article.getId(), is(articleDto.getId()));
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        assertThat("Wrong title", article.getTitle(), is(articleDto.getTitle()));
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        assertThat("Wrong summary", article.getSummary(), is(articleDto.getSummary()));
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        assertThat("Wrong text", article.getText(), is(articleDto.getText()));
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        assertThat("Wrong author", article.getAuthor(), is(articleDto.getAuthor()));
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        assertThat("Wrong date created", article.getDateCreated(), is(articleDto.getDateCreated()));
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        assertThat("Wrong date updated", article.getDateUpdated(), is(articleDto.getDateUpdated()));
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    }
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}