Refactoring existing unit tests

src/test/java/org/jabref/logic/formatter/casechanger/UnprotectTermsFormatterTest.java

@@ -18,6 +18,7 @@ public class UnprotectTermsFormatterTest {
 
     private static Stream<Arguments> terms() throws IOException {
         return Stream.of(
+                Arguments.of("", ""),
                 Arguments.of("VLSI", "{VLSI}"),
                 Arguments.of("VLsI", "VLsI"),
                 Arguments.of("VLSI", "VLSI"),

src/test/java/org/jabref/logic/layout/format/LastPageTest.java

@@ -1,46 +1,34 @@
 package org.jabref.logic.layout.format;
 
+import java.util.stream.Stream;
+
 import org.jabref.logic.layout.LayoutFormatter;
 
-import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
 public class LastPageTest {
 
-    @Test
-    public void testFormatEmpty() {
-        LayoutFormatter a = new LastPage();
-        assertEquals("", a.format(""));
-    }
-
-    @Test
-    public void testFormatNull() {
-        LayoutFormatter a = new LastPage();
-        assertEquals("", a.format(null));
-    }
+    private LayoutFormatter lastPageLayoutFormatter = new LastPage();
 
-    @Test
-    public void testFormatSinglePage() {
-        LayoutFormatter a = new LastPage();
-        assertEquals("345", a.format("345"));
+    @ParameterizedTest
+    @MethodSource("provideArguments")
+    void formatLastPage(String formattedText, String originalText) {
+        assertEquals(formattedText, lastPageLayoutFormatter.format(originalText));
     }
 
-    @Test
-    public void testFormatSingleDash() {
-        LayoutFormatter a = new LastPage();
-        assertEquals("350", a.format("345-350"));
-    }
-
-    @Test
-    public void testFormatDoubleDash() {
-        LayoutFormatter a = new LastPage();
-        assertEquals("350", a.format("345--350"));
-    }
+    private static Stream<Arguments> provideArguments() {
+        return Stream.of(
+                Arguments.of("", ""),
+                Arguments.of("", null),
+                Arguments.of("345", "345"),
+                Arguments.of("350", "345-350"),
+                Arguments.of("350", "345--350"),
+                Arguments.of("", "--")
+        );
 
-    @Test
-    public void testFinalCoverageCase() {
-        LayoutFormatter a = new LastPage();
-        assertEquals("", a.format("--"));
     }
 }

src/test/java/org/jabref/logic/layout/format/NoSpaceBetweenAbbreviationsTest.java

@@ -1,20 +1,32 @@
 package org.jabref.logic.layout.format;
 
+import java.util.stream.Stream;
+
 import org.jabref.logic.layout.LayoutFormatter;
 
-import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
 public class NoSpaceBetweenAbbreviationsTest {
 
-    @Test
-    public void testFormat() {
-        LayoutFormatter f = new NoSpaceBetweenAbbreviations();
-        assertEquals("", f.format(""));
-        assertEquals("John Meier", f.format("John Meier"));
-        assertEquals("J.F. Kennedy", f.format("J. F. Kennedy"));
-        assertEquals("J.R.R. Tolkien", f.format("J. R. R. Tolkien"));
-        assertEquals("J.R.R. Tolkien and J.F. Kennedy", f.format("J. R. R. Tolkien and J. F. Kennedy"));
+    private LayoutFormatter nsbaLayoutFormatter = new NoSpaceBetweenAbbreviations();
+
+    @ParameterizedTest
+    @MethodSource("provideAbbreviations")
+    void formatAbbreviations(String formattedAbbreviation, String originalAbbreviation) {
+        assertEquals(formattedAbbreviation, nsbaLayoutFormatter.format(originalAbbreviation));
+    }
+
+    private static Stream<Arguments> provideAbbreviations() {
+        return Stream.of(
+                Arguments.of("", ""),
+                Arguments.of("John Meier", "John Meier"),
+                Arguments.of("J.F. Kennedy", "J. F. Kennedy"),
+                Arguments.of("J.R.R. Tolkien", "J. R. R. Tolkien"),
+                Arguments.of("J.R.R. Tolkien and J.F. Kennedy", "J. R. R. Tolkien and J. F. Kennedy")
+        );
     }
 }

src/test/java/org/jabref/logic/layout/format/WrapContentTest.java

@@ -1,65 +1,39 @@
 package org.jabref.logic.layout.format;
 
+import java.util.stream.Stream;
+
 import org.jabref.logic.layout.ParamLayoutFormatter;
 
-import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
 public class WrapContentTest {
 
-    @Test
-    public void testSimpleText() {
-        ParamLayoutFormatter a = new WrapContent();
-        a.setArgument("<,>");
-        assertEquals("<Bob>", a.format("Bob"));
-    }
-
-    @Test
-    public void testEmptyStart() {
-        ParamLayoutFormatter a = new WrapContent();
-        a.setArgument(",:");
-        assertEquals("Bob:", a.format("Bob"));
-    }
-
-    @Test
-    public void testEmptyEnd() {
-        ParamLayoutFormatter a = new WrapContent();
-        a.setArgument("Content: ,");
-        assertEquals("Content: Bob", a.format("Bob"));
-    }
-
-    @Test
-    public void testEscaping() {
-        ParamLayoutFormatter a = new WrapContent();
-        a.setArgument("Name\\,Field\\,,\\,Author");
-        assertEquals("Name,Field,Bob,Author", a.format("Bob"));
-    }
-
-    @Test
-    public void testFormatNullExpectNothingAdded() {
-        ParamLayoutFormatter a = new WrapContent();
-        a.setArgument("Eds.,Ed.");
-        assertEquals(null, a.format(null));
-    }
-
-    @Test
-    public void testFormatEmptyExpectNothingAdded() {
-        ParamLayoutFormatter a = new WrapContent();
-        a.setArgument("Eds.,Ed.");
-        assertEquals("", a.format(""));
-    }
-
-    @Test
-    public void testNoArgumentSetExpectNothingAdded() {
-        ParamLayoutFormatter a = new WrapContent();
-        assertEquals("Bob Bruce and Jolly Jumper", a.format("Bob Bruce and Jolly Jumper"));
-    }
-
-    @Test
-    public void testNoProperArgumentExpectNothingAdded() {
-        ParamLayoutFormatter a = new WrapContent();
-        a.setArgument("Eds.");
-        assertEquals("Bob Bruce and Jolly Jumper", a.format("Bob Bruce and Jolly Jumper"));
+    private ParamLayoutFormatter wrapContentParamLayoutFormatter = new WrapContent();
+
+    @ParameterizedTest
+    @MethodSource("provideContent")
+    void formatContent(String formattedContent, String originalContent, String desiredFormat) {
+        if (!desiredFormat.isEmpty()) {
+            wrapContentParamLayoutFormatter.setArgument(desiredFormat);
+        }
+
+        assertEquals(formattedContent, wrapContentParamLayoutFormatter.format(originalContent));
+    }
+
+    private static Stream<Arguments> provideContent() {
+        return Stream.of(
+                Arguments.of("<Bob>", "Bob", "<,>"),
+                Arguments.of("Bob:", "Bob", ",:"),
+                Arguments.of("Content: Bob", "Bob", "Content: ,"),
+                Arguments.of("Name,Field,Bob,Author", "Bob", "Name\\,Field\\,,\\,Author"),
+                Arguments.of(null, null, "Eds.,Ed."),
+                Arguments.of("", "", "Eds.,Ed."),
+                Arguments.of("Bob Bruce and Jolly Jumper", "Bob Bruce and Jolly Jumper", ""),
+                Arguments.of("Bob Bruce and Jolly Jumper", "Bob Bruce and Jolly Jumper", "Eds.")
+        );
     }
 }