SeriesInfoExtractorServiceImpl.extractSellerName(): add unit test.

Fix #860

Author: php-coder

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

@@ -339,7 +339,6 @@ public Integer extractSellerGroup(Integer id, String sellerUrl) {
 		}
 	}
 
-	// @todo #695 SeriesInfoExtractorServiceImpl.extractSellerName(): add unit tests
 	protected String extractSellerName(Integer id, String name) {
 		if (id != null) {
 			return null;

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

@@ -430,6 +430,21 @@ class SeriesInfoExtractorServiceImplTest extends Specification {
 			Random.id()    | _
 	}
 
+	//
+	// Tests for extractSellerName()
+	//
+	
+	@Unroll
+	@SuppressWarnings('UnnecessaryBooleanExpression') // false positive
+	def 'extractSellerName() should return "#expected" for id=#id/name=#name'(Integer id, String name, String expected) {
+		expect:
+			service.extractSellerName(id, name) == expected
+		where:
+			id          | name                || expected
+			Random.id() | Random.sellerName() || null
+			null        | 'Seller Name'       || 'Seller Name'
+	}
+	
 	//
 	// Tests for extractPrice()
 	//