variant 3

pom.xml

@@ -13,7 +13,7 @@
 		<dependency>
 			<groupId>org.junit.jupiter</groupId>
 			<artifactId>junit-jupiter-engine</artifactId>
-			<version>5.5.2</version>
+			<version>5.7.0</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
@@ -22,6 +22,12 @@
 			<version>1.5.2</version>
 			<scope>test</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.junit.jupiter</groupId>
+			<artifactId>junit-jupiter-params</artifactId>
+			<version>5.7.0</version>
+			<scope>test</scope>
+		</dependency>
 	</dependencies>
 	<build>
 		<pluginManagement>

src/test/java/de/edu/hsfulda/ccip/tdd/purefunction/parameterized/BowlingCalculatorParameterized_1_SourceMethodTest.java

@@ -0,0 +1,37 @@
+package de.edu.hsfulda.ccip.tdd.purefunction.parameterized;
+
+import static org.hamcrest.CoreMatchers.equalTo;
+import static org.junit.Assert.assertThat;
+import static org.junit.jupiter.params.provider.Arguments.arguments;
+
+import java.util.stream.Stream;
+
+import org.hamcrest.Matcher;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+
+import de.edu.hsfulda.ccip.tdd.purefunction.BowlingCalculator;
+
+public class BowlingCalculatorParameterized_1_SourceMethodTest {
+	
+	static Stream<Arguments> sourceMethod() {
+		// arrange
+		return Stream.of(//
+				arguments("worst game", "-- -- -- -- -- -- -- -- -- --", equalTo(0)),
+				arguments("incomplete frames", "-1 23 -4 5- -6 -7 8- 9- -- --", equalTo(45)),
+				arguments("spares","-- -- 3/ -- 7/ -- -- -- -- --" , equalTo(20))
+				//
+				);
+	}
+
+	@ParameterizedTest(name = "#{index} - game type {0}")
+	@MethodSource("sourceMethod")
+	void testStreamSouce(String gameType, String rolls, Matcher<Integer> expectedResult) {
+		// act
+		int score = new BowlingCalculator().score(rolls);
+		//assert
+		assertThat(rolls, score, expectedResult);
+	}
+
+}

src/test/java/de/edu/hsfulda/ccip/tdd/purefunction/parameterized/BowlingCalculatorParameterized_2_CsvTest.java

@@ -0,0 +1,23 @@
+package de.edu.hsfulda.ccip.tdd.purefunction.parameterized;
+
+import static org.junit.Assert.assertThat;
+
+import org.hamcrest.CoreMatchers;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.CsvSource;
+
+import de.edu.hsfulda.ccip.tdd.purefunction.BowlingCalculator;
+
+public class BowlingCalculatorParameterized_2_CsvTest {
+
+	@CsvSource({ //
+			"worst game       , -- -- -- -- -- -- -- -- -- --, 0",
+			"incomplete frames, -1 23 -4 5- -6 -7 8- 9- -- --, 45" //
+	})
+	@ParameterizedTest(name = "#{index} - game type {0}")
+	void testStreamSouceMulti(String gameType, String rolls, int expectedResult) {
+		int score = new BowlingCalculator().score(rolls);
+		assertThat(rolls, score, CoreMatchers.equalTo(expectedResult));
+	}
+
+}

src/test/java/de/edu/hsfulda/ccip/tdd/purefunction/parameterized/BowlingCalculatorParameterized_3_CsvFileTest.java

@@ -0,0 +1,20 @@
+package de.edu.hsfulda.ccip.tdd.purefunction.parameterized;
+
+import static org.junit.Assert.assertThat;
+
+import org.hamcrest.CoreMatchers;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.CsvFileSource;
+
+import de.edu.hsfulda.ccip.tdd.purefunction.BowlingCalculator;
+
+public class BowlingCalculatorParameterized_3_CsvFileTest {
+
+	@ParameterizedTest(name = "#{index} - game type {0}") 
+	@CsvFileSource(resources = "/gameSamples.csv",numLinesToSkip = 1)
+	void testStreamSouceMulti(String gameType, String rolls, int expectedResult) {
+		int score = new BowlingCalculator().score(rolls);
+		assertThat(rolls, score, CoreMatchers.equalTo(expectedResult));
+	}
+
+}

src/test/resources/gameSamples.csv

@@ -0,0 +1,3 @@
+test name          , sample rolls                  , expected
+"worst game"       ,"-- -- -- -- -- -- -- -- -- --", 0
+"incomplete frames","-1 23 -4 5- -6 -7 8- 9- -0 --", 45