TimedSeriesInfoExtractorService: add unit test.

Fix #808

Author: php-coder

src/main/java/ru/mystamps/web/service/TimedSeriesInfoExtractorService.java

@@ -26,7 +26,6 @@
 import ru.mystamps.web.service.dto.RawParsedDataDto;
 import ru.mystamps.web.service.dto.SeriesExtractedInfo;
 
-// @todo #802 TimedSeriesInfoExtractorService: add unit tests
 @RequiredArgsConstructor
 public class TimedSeriesInfoExtractorService implements SeriesInfoExtractorService {
 

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

@@ -0,0 +1,56 @@
+/**
+ * Copyright (C) 2009-2018 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 static io.qala.datagen.RandomShortApi.nullOr
+
+import org.slf4j.helpers.NOPLogger
+
+import spock.lang.Specification
+
+import ru.mystamps.web.service.dto.RawParsedDataDto
+import ru.mystamps.web.service.dto.SeriesExtractedInfo
+
+@SuppressWarnings(['ClassJavadoc', 'MethodName', 'NoDef', 'NoTabCharacter', 'TrailingWhitespace'])
+class TimedSeriesInfoExtractorServiceTest extends Specification {
+	
+	private final SeriesInfoExtractorService origService = Mock()
+	
+	private SeriesInfoExtractorService service
+	
+	def setup() {
+		service = new TimedSeriesInfoExtractorService(NOPLogger.NOP_LOGGER, origService)
+	}
+	
+	//
+	// Tests for extract()
+	//
+	
+	def 'extract() should invoke original service and return its result'() {
+		given:
+			RawParsedDataDto expectedParsedData = TestObjects.createRawParsedDataDto()
+			SeriesExtractedInfo expectedResult = nullOr(TestObjects.createSeriesExtractedInfo())
+		when:
+			SeriesExtractedInfo result = service.extract(expectedParsedData)
+		then:
+			1 * origService.extract(expectedParsedData) >> expectedResult
+		and:
+			result == expectedResult
+	}
+	
+}