CollectionServiceImpl.findRecentlyCreated(): add unit tests.

Fix #68

Author: php-coder

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

@@ -0,0 +1,64 @@
+/**
+ * Copyright (C) 2009-2015 Slava Semushin <slava.semushin@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+package ru.mystamps.web.service
+
+import spock.lang.Specification
+import spock.lang.Unroll
+
+import ru.mystamps.web.dao.CollectionDao
+import ru.mystamps.web.dao.JdbcCollectionDao
+
+class CollectionServiceImplTest extends Specification {
+	private CollectionDao collectionDao = Mock()
+	private JdbcCollectionDao jdbcCollectionDao = Mock()
+	
+	private CollectionService service
+	
+	def setup() {
+		service = new CollectionServiceImpl(collectionDao, jdbcCollectionDao)
+	}
+	
+	//
+	// Tests for findRecentlyCreated
+	//
+	
+	@Unroll
+	def "findRecentlyCreated should throw exception when quantity is #quantity"(Integer quantity, Object _) {
+		when:
+			service.findRecentlyCreated(quantity)
+		then:
+			thrown IllegalArgumentException
+		where:
+			quantity | _
+			-1       | _
+			0        | _
+	}
+	
+	def "findRecentlyCreated should pass arguments to dao"() {
+		given:
+			int expectedQuantity = 4
+		when:
+			service.findRecentlyCreated(expectedQuantity)
+		then:
+			1 * jdbcCollectionDao.findLastCreated({ int quantity ->
+				assert expectedQuantity == quantity
+				return true
+			}) >> []
+	}
+	
+}