CategoryServiceImpl.findCategoriesWithParents(): add unit test.

Fix #548

Author: php-coder

src/test/groovy/ru/mystamps/web/service/CategoryServiceImplTest.groovy

@@ -29,6 +29,7 @@ import spock.lang.Unroll
 
 import ru.mystamps.web.dao.CategoryDao
 import ru.mystamps.web.dao.dto.AddCategoryDbDto
+import ru.mystamps.web.dao.dto.CategoryDto
 import ru.mystamps.web.controller.dto.AddCategoryForm
 import ru.mystamps.web.dao.dto.LinkEntityDto
 import ru.mystamps.web.tests.DateUtils
@@ -240,6 +241,26 @@ class CategoryServiceImplTest extends Specification {
 			null             | _
 	}
 
+	//
+	// Tests for findCategoriesWithParents()
+	//
+	
+	@SuppressWarnings(['ClosureAsLastMethodParameter', 'UnnecessaryReturnKeyword'])
+	def 'findCategoriesWithParents() should invoke dao and return its result'() {
+		given:
+			String expectedLang = nullOr(Random.lang())
+			List<CategoryDto> expectedResult = Random.listOfCategoryDto()
+		when:
+			List<CategoryDto> result = service.findCategoriesWithParents(expectedLang)
+		then:
+			1 * categoryDao.findCategoriesWithParents({ String lang ->
+				assert lang == expectedLang
+				return true
+			}) >> expectedResult
+		and:
+			result == expectedResult
+	}
+	
 	//
 	// Tests for findOneAsLinkEntity()
 	//

src/test/java/ru/mystamps/web/service/TestObjects.java

@@ -201,4 +201,12 @@ public static ParsedDataDto createParsedDataDto() {
 		);
 	}
 
+	public static CategoryDto createCategoryDto() {
+		String name = Random.categoryName();
+		String slug = SlugUtils.slugify(name);
+		// @todo #548 Introduce name generator for top categories
+		String parentName = Random.categoryName();
+		return new CategoryDto(name, slug, parentName);
+	}
+	
 }

src/test/java/ru/mystamps/web/tests/Random.java

@@ -24,6 +24,7 @@
 
 import io.qala.datagen.RandomShortApi;
 
+import ru.mystamps.web.dao.dto.CategoryDto;
 import ru.mystamps.web.dao.dto.EntityWithIdDto;
 import ru.mystamps.web.service.TestObjects;
 import ru.mystamps.web.validation.ValidationRules;
@@ -132,4 +133,16 @@ public static List<EntityWithIdDto> listOfEntityWithIdDto() {
 		);
 	}
 
+	public static List<CategoryDto> listOfCategoryDto() {
+		final int minSize = 1;
+		final int maxSize = 3;
+		int size = integer(minSize, maxSize);
+		return sampleMultiple(
+			size,
+			TestObjects.createCategoryDto(),
+			TestObjects.createCategoryDto(),
+			TestObjects.createCategoryDto()
+		);
+	}
+	
 }