Refactoring existing unit tests

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

@@ -19,20 +19,13 @@ public void setUp() {
         formatter = new CapitalizeFormatter();
     }
 
-    @Test
-    public void test() {
-        assertEquals("Upper Each First", formatter.format("upper each First"));
-        assertEquals("Upper Each First {NOT} {this}", formatter.format("upper each first {NOT} {this}"));
-        assertEquals("Upper Each First {N}ot {t}his", formatter.format("upper each first {N}OT {t}his"));
-    }
-
     @Test
     public void formatExample() {
         assertEquals("I Have {a} Dream", formatter.format(formatter.getExampleInput()));
     }
 
     @ParameterizedTest(name = "input={0}, formattedStr={1}")
-    @CsvSource({
+    @CsvSource(value = {
             "{}, {}", // {}
             "{upper, {upper", // unmatched braces
             "upper, Upper", // single word lower case
@@ -41,13 +34,15 @@ public void formatExample() {
             "upper each first, Upper Each First", // multiple words lower case
             "Upper Each First, Upper Each First", // multiple words correct
             "UPPER EACH FIRST, Upper Each First", // multiple words upper case
+            "upper each First, Upper Each First", // multiple words in lower and upper case
             "{u}pp{e}r, {u}pp{e}r", // single word lower case with {}
             "{U}pp{e}r, {U}pp{e}r", // single word correct with {}
             "{U}PP{E}R, {U}pp{E}r", // single word upper case with {}
             "upper each {NOT} first, Upper Each {NOT} First", // multiple words lower case with {}
             "Upper {E}ach {NOT} First, Upper {E}ach {NOT} First", // multiple words correct with {}
             "UPPER {E}ACH {NOT} FIRST, Upper {E}ach {NOT} First", // multiple words upper case with {}
-
+            "upper each first {NOT} {this}, Upper Each First {NOT} {this}", // multiple words in lower and upper case with {}
+            "upper each first {N}OT {t}his, Upper Each First {N}ot {t}his", // multiple words in lower and upper case with {} part 2
     })
     public void testInputs(String input, String expectedResult) {
         String formattedStr = formatter.format(input);

src/test/java/org/jabref/logic/formatter/minifier/MinifyNameListFormatterTest.java

@@ -1,7 +1,11 @@
 package org.jabref.logic.formatter.minifier;
 
+import java.util.stream.Stream;
+
 import org.junit.jupiter.api.BeforeEach;
-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;
 
@@ -17,21 +21,20 @@ public void setUp() {
         formatter = new MinifyNameListFormatter();
     }
 
-    @Test
-    public void minifyAuthorNames() {
-        expectCorrect("Simon Harrer", "Simon Harrer");
-        expectCorrect("Simon Harrer and others", "Simon Harrer and others");
-        expectCorrect("Simon Harrer and Jörg Lenhard", "Simon Harrer and Jörg Lenhard");
-        expectCorrect("Simon Harrer and Jörg Lenhard and Guido Wirtz", "Simon Harrer and others");
-        expectCorrect("Simon Harrer and Jörg Lenhard and Guido Wirtz and others", "Simon Harrer and others");
-    }
-
-    @Test
-    public void formatExample() {
-        expectCorrect(formatter.getExampleInput(), "Stefan Kolb and others");
+    @ParameterizedTest
+    @MethodSource("provideAuthorNames")
+    void minifyAuthorNames(String expectedAuthorNames, String originalAuthorNames) {
+        assertEquals(expectedAuthorNames, formatter.format(originalAuthorNames));
     }
 
-    private void expectCorrect(String input, String expected) {
-        assertEquals(expected, formatter.format(input));
+    private static Stream<Arguments> provideAuthorNames() {
+        return Stream.of(
+                Arguments.of("Simon Harrer", "Simon Harrer"),
+                Arguments.of("Simon Harrer and others", "Simon Harrer and others"),
+                Arguments.of("Simon Harrer and Jörg Lenhard", "Simon Harrer and Jörg Lenhard"),
+                Arguments.of("Simon Harrer and others", "Simon Harrer and Jörg Lenhard and Guido Wirtz"),
+                Arguments.of("Simon Harrer and others", "Simon Harrer and Jörg Lenhard and Guido Wirtz and others"),
+                Arguments.of("Stefan Kolb and others", new MinifyNameListFormatter().getExampleInput())
+                );
     }
 }

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

@@ -10,151 +10,134 @@
 
 public class AuthorsTest {
 
+    private ParamLayoutFormatter authorsLayoutFormatter = new Authors();
+
     @Test
     public void testStandardUsage() {
-        ParamLayoutFormatter a = new Authors();
         assertEquals("B. C. Bruce, C. Manson and J. Jumper",
-                a.format("Bob Croydon Bruce and Charles Manson and Jolly Jumper"));
+                authorsLayoutFormatter.format("Bob Croydon Bruce and Charles Manson and Jolly Jumper"));
     }
 
     @Test
     public void testStandardUsageOne() {
-        ParamLayoutFormatter a = new Authors();
-        a.setArgument("fullname, LastFirst, Comma, Comma");
-        assertEquals("Bruce, Bob Croydon, Jumper, Jolly", a.format("Bob Croydon Bruce and Jolly Jumper"));
+        authorsLayoutFormatter.setArgument("fullname, LastFirst, Comma, Comma");
+        assertEquals("Bruce, Bob Croydon, Jumper, Jolly", authorsLayoutFormatter.format("Bob Croydon Bruce and Jolly Jumper"));
     }
 
     @Test
     public void testStandardUsageTwo() {
-        ParamLayoutFormatter a = new Authors();
-        a.setArgument("initials");
-        assertEquals("B. C. Bruce and J. Jumper", a.format("Bob Croydon Bruce and Jolly Jumper"));
+        authorsLayoutFormatter.setArgument("initials");
+        assertEquals("B. C. Bruce and J. Jumper", authorsLayoutFormatter.format("Bob Croydon Bruce and Jolly Jumper"));
     }
 
     @Test
     public void testStandardUsageThree() {
-        ParamLayoutFormatter a = new Authors();
-        a.setArgument("fullname, LastFirst, Comma");
+        authorsLayoutFormatter.setArgument("fullname, LastFirst, Comma");
         assertEquals("Bruce, Bob Croydon, Manson, Charles and Jumper, Jolly",
-                a.format("Bob Croydon Bruce and Charles Manson and Jolly Jumper"));
+                authorsLayoutFormatter.format("Bob Croydon Bruce and Charles Manson and Jolly Jumper"));
     }
 
     @Test
     public void testStandardUsageFour() {
-        ParamLayoutFormatter a = new Authors();
-        a.setArgument("fullname, LastFirst, Comma, 2");
+        authorsLayoutFormatter.setArgument("fullname, LastFirst, Comma, 2");
         assertEquals("Bruce, Bob Croydon et al.",
-                a.format("Bob Croydon Bruce and Charles Manson and Jolly Jumper"));
+                authorsLayoutFormatter.format("Bob Croydon Bruce and Charles Manson and Jolly Jumper"));
     }
 
     @Test
     public void testStandardUsageFive() {
-        ParamLayoutFormatter a = new Authors();
-        a.setArgument("fullname, LastFirst, Comma, 3");
+        authorsLayoutFormatter.setArgument("fullname, LastFirst, Comma, 3");
         assertEquals("Bruce, Bob Croydon et al.",
-                a.format("Bob Croydon Bruce and Charles Manson and Jolly Jumper and Chuck Chuckles"));
+                authorsLayoutFormatter.format("Bob Croydon Bruce and Charles Manson and Jolly Jumper and Chuck Chuckles"));
     }
 
     @Test
     public void testStandardUsageSix() {
-        ParamLayoutFormatter a = new Authors();
-        a.setArgument("fullname, LastFirst, Comma, 3, 2");
+        authorsLayoutFormatter.setArgument("fullname, LastFirst, Comma, 3, 2");
         assertEquals("Bruce, Bob Croydon, Manson, Charles et al.",
-                a.format("Bob Croydon Bruce and Charles Manson and Jolly Jumper and Chuck Chuckles"));
+                authorsLayoutFormatter.format("Bob Croydon Bruce and Charles Manson and Jolly Jumper and Chuck Chuckles"));
     }
 
     @Test
     public void testSpecialEtAl() {
-        ParamLayoutFormatter a = new Authors();
-        a.setArgument("fullname, LastFirst, Comma, 3, etal= and a few more");
+        authorsLayoutFormatter.setArgument("fullname, LastFirst, Comma, 3, etal= and a few more");
         assertEquals("Bruce, Bob Croydon and a few more",
-                a.format("Bob Croydon Bruce and Charles Manson and Jolly Jumper and Chuck Chuckles"));
+                authorsLayoutFormatter.format("Bob Croydon Bruce and Charles Manson and Jolly Jumper and Chuck Chuckles"));
     }
 
     @Test
     public void testStandardUsageNull() {
-        ParamLayoutFormatter a = new Authors();
-        assertEquals("", a.format(null));
+        assertEquals("", authorsLayoutFormatter.format(null));
     }
 
     @Test
     public void testStandardOxford() {
-        ParamLayoutFormatter a = new Authors();
-        a.setArgument("Oxford");
+        authorsLayoutFormatter.setArgument("Oxford");
         assertEquals("B. C. Bruce, C. Manson, and J. Jumper",
-                a.format("Bob Croydon Bruce and Charles Manson and Jolly Jumper"));
+                authorsLayoutFormatter.format("Bob Croydon Bruce and Charles Manson and Jolly Jumper"));
     }
 
     @Test
     public void testStandardOxfordFullName() {
-        ParamLayoutFormatter a = new Authors();
-        a.setArgument("FullName,Oxford");
+        authorsLayoutFormatter.setArgument("FullName,Oxford");
         assertEquals("Bob Croydon Bruce, Charles Manson, and Jolly Jumper",
-                a.format("Bruce, Bob Croydon and Charles Manson and Jolly Jumper"));
+                authorsLayoutFormatter.format("Bruce, Bob Croydon and Charles Manson and Jolly Jumper"));
     }
 
     @Test
     public void testStandardCommaFullName() {
-        ParamLayoutFormatter a = new Authors();
-        a.setArgument("FullName,Comma,Comma");
+        authorsLayoutFormatter.setArgument("FullName,Comma,Comma");
         assertEquals("Bob Croydon Bruce, Charles Manson, Jolly Jumper",
-                a.format("Bruce, Bob Croydon and Charles Manson and Jolly Jumper"));
+                authorsLayoutFormatter.format("Bruce, Bob Croydon and Charles Manson and Jolly Jumper"));
     }
 
     @Test
     public void testStandardAmpFullName() {
-        ParamLayoutFormatter a = new Authors();
-        a.setArgument("FullName,Amp");
+        authorsLayoutFormatter.setArgument("FullName,Amp");
         assertEquals("Bob Croydon Bruce, Charles Manson & Jolly Jumper",
-                a.format("Bruce, Bob Croydon and Charles Manson and Jolly Jumper"));
+                authorsLayoutFormatter.format("Bruce, Bob Croydon and Charles Manson and Jolly Jumper"));
     }
 
     @Test
     public void testLastName() {
-        ParamLayoutFormatter a = new Authors();
-        a.setArgument("LastName");
+        authorsLayoutFormatter.setArgument("LastName");
         assertEquals("Bruce, von Manson and Jumper",
-                a.format("Bruce, Bob Croydon and Charles von Manson and Jolly Jumper"));
+                authorsLayoutFormatter.format("Bruce, Bob Croydon and Charles von Manson and Jolly Jumper"));
     }
 
     @Test
     public void testMiddleInitial() {
-        ParamLayoutFormatter a = new Authors();
-        a.setArgument("MiddleInitial");
+        authorsLayoutFormatter.setArgument("MiddleInitial");
         assertEquals("Bob C. Bruce, Charles K. von Manson and Jolly Jumper",
-                a.format("Bruce, Bob Croydon and Charles Kermit von Manson and Jumper, Jolly"));
+                authorsLayoutFormatter.format("Bruce, Bob Croydon and Charles Kermit von Manson and Jumper, Jolly"));
     }
 
     @Test
     public void testNoPeriod() {
-        ParamLayoutFormatter a = new Authors();
-        a.setArgument("NoPeriod");
+        authorsLayoutFormatter.setArgument("NoPeriod");
         assertEquals("B C Bruce, C K von Manson and J Jumper",
-                a.format("Bruce, Bob Croydon and Charles Kermit von Manson and Jumper, Jolly"));
+                authorsLayoutFormatter.format("Bruce, Bob Croydon and Charles Kermit von Manson and Jumper, Jolly"));
     }
 
     @Test
     public void testEtAl() {
-        ParamLayoutFormatter a = new Authors();
-        a.setArgument("2,1");
+        authorsLayoutFormatter.setArgument("2,1");
         assertEquals("B. C. Bruce et al.",
-                a.format("Bruce, Bob Croydon and Charles Kermit von Manson and Jumper, Jolly"));
+                authorsLayoutFormatter.format("Bruce, Bob Croydon and Charles Kermit von Manson and Jumper, Jolly"));
     }
 
     @Test
     public void testEtAlNotEnoughAuthors() {
-        ParamLayoutFormatter a = new Authors();
-        a.setArgument("2,1");
+        authorsLayoutFormatter.setArgument("2,1");
         assertEquals("B. C. Bruce and C. K. von Manson",
-                a.format("Bruce, Bob Croydon and Charles Kermit von Manson"));
+                authorsLayoutFormatter.format("Bruce, Bob Croydon and Charles Kermit von Manson"));
     }
 
     @Test
     public void testEmptyEtAl() {
-        ParamLayoutFormatter a = new Authors();
-        a.setArgument("fullname, LastFirst, Comma, 3, etal=");
+        authorsLayoutFormatter.setArgument("fullname, LastFirst, Comma, 3, etal=");
         assertEquals("Bruce, Bob Croydon",
-                a.format("Bob Croydon Bruce and Charles Manson and Jolly Jumper and Chuck Chuckles"));
+                authorsLayoutFormatter.format("Bob Croydon Bruce and Charles Manson and Jolly Jumper and Chuck Chuckles"));
     }
 
     @ParameterizedTest(name = "arg={0}, formattedStr={1}")
@@ -164,9 +147,8 @@ public void testEmptyEtAl() {
             "LastFirstFirstFirst, 'Bruce, B. C., C. Manson, J. Jumper and C. Chuckles'" // LastFirstFirstFirst
     })
     public void testAuthorOrder(String arg, String expectedResult) {
-        ParamLayoutFormatter a = new Authors();
-        a.setArgument(arg);
-        String formattedStr = a.format("Bob Croydon Bruce and Charles Manson and Jolly Jumper and Chuck Chuckles");
+        authorsLayoutFormatter.setArgument(arg);
+        String formattedStr = authorsLayoutFormatter.format("Bob Croydon Bruce and Charles Manson and Jolly Jumper and Chuck Chuckles");
         assertEquals(expectedResult, formattedStr);
     }
 
@@ -180,9 +162,8 @@ public void testAuthorOrder(String arg, String expectedResult) {
             "InitialsNoSpace, 'B.C. Bruce, C. Manson, J. Jumper and C. Chuckles'" // InitialsNoSpace
     })
     public void testAuthorABRV(String arg, String expectedResult) {
-        ParamLayoutFormatter a = new Authors();
-        a.setArgument(arg);
-        String formattedStr = a.format("Bob Croydon Bruce and Charles Manson and Jolly Jumper and Chuck Chuckles");
+        authorsLayoutFormatter.setArgument(arg);
+        String formattedStr = authorsLayoutFormatter.format("Bob Croydon Bruce and Charles Manson and Jolly Jumper and Chuck Chuckles");
         assertEquals(expectedResult, formattedStr);
     }
 
@@ -194,9 +175,8 @@ public void testAuthorABRV(String arg, String expectedResult) {
             "NoPeriod, 'B C Bruce, C Manson, J Jumper and C Chuckles'" // NoPeriod
     })
     public void testAuthorPUNC(String arg, String expectedResult) {
-        ParamLayoutFormatter a = new Authors();
-        a.setArgument(arg);
-        String formattedStr = a.format("Bob Croydon Bruce and Charles Manson and Jolly Jumper and Chuck Chuckles");
+        authorsLayoutFormatter.setArgument(arg);
+        String formattedStr = authorsLayoutFormatter.format("Bob Croydon Bruce and Charles Manson and Jolly Jumper and Chuck Chuckles");
         assertEquals(expectedResult, formattedStr);
     }
 
@@ -217,9 +197,8 @@ public void testAuthorPUNC(String arg, String expectedResult) {
             "'Comma, Semicolon', 'B. C. Bruce, C. Manson, J. Jumper; C. Chuckles'", // Comma Semicolon
     })
     public void testAuthorSEPARATORS(String arg, String expectedResult) {
-        ParamLayoutFormatter a = new Authors();
-        a.setArgument(arg);
-        String formattedStr = a.format("Bob Croydon Bruce and Charles Manson and Jolly Jumper and Chuck Chuckles");
+        authorsLayoutFormatter.setArgument(arg);
+        String formattedStr = authorsLayoutFormatter.format("Bob Croydon Bruce and Charles Manson and Jolly Jumper and Chuck Chuckles");
         assertEquals(expectedResult, formattedStr);
     }
 }

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

@@ -1,38 +1,38 @@
 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 DOICheckTest {
 
-    @Test
-    public void testFormat() {
-        LayoutFormatter lf = new DOICheck();
-
-        assertEquals("", lf.format(""));
-        assertEquals(null, lf.format(null));
-
-        assertEquals("https://doi.org/10.1000/ISBN1-900512-44-0", lf.format("10.1000/ISBN1-900512-44-0"));
-        assertEquals("https://doi.org/10.1000/ISBN1-900512-44-0",
-                lf.format("http://dx.doi.org/10.1000/ISBN1-900512-44-0"));
-
-        assertEquals("https://doi.org/10.1000/ISBN1-900512-44-0",
-                lf.format("http://doi.acm.org/10.1000/ISBN1-900512-44-0"));
+    private LayoutFormatter layoutFormatter = new DOICheck();
 
-        assertEquals("https://doi.org/10.1145/354401.354407",
-                lf.format("http://doi.acm.org/10.1145/354401.354407"));
-        assertEquals("https://doi.org/10.1145/354401.354407", lf.format("10.1145/354401.354407"));
-
-        // Works even when having a / at the front
-        assertEquals("https://doi.org/10.1145/354401.354407", lf.format("/10.1145/354401.354407"));
-
-        // Obviously a wrong doi, will not change anything.
-        assertEquals("10", lf.format("10"));
+    @ParameterizedTest
+    @MethodSource("provideDOI")
+    void formatDOI(String formattedDOI, String originalDOI) {
+        assertEquals(formattedDOI, layoutFormatter.format(originalDOI));
+    }
 
-        // Obviously a wrong doi, will not change anything.
-        assertEquals("1", lf.format("1"));
+    private static Stream<Arguments> provideDOI() {
+        return Stream.of(
+                Arguments.of("", ""),
+                Arguments.of(null, null),
+                Arguments.of("https://doi.org/10.1000/ISBN1-900512-44-0", "10.1000/ISBN1-900512-44-0"),
+                Arguments.of("https://doi.org/10.1000/ISBN1-900512-44-0", "http://dx.doi.org/10.1000/ISBN1-900512-44-0"),
+                Arguments.of("https://doi.org/10.1000/ISBN1-900512-44-0", "http://doi.acm.org/10.1000/ISBN1-900512-44-0"),
+                Arguments.of("https://doi.org/10.1145/354401.354407", "http://doi.acm.org/10.1145/354401.354407"),
+                Arguments.of("https://doi.org/10.1145/354401.354407", "10.1145/354401.354407"),
+                Arguments.of("https://doi.org/10.1145/354401.354407", "/10.1145/354401.354407"),
+                Arguments.of("10", "10"),
+                Arguments.of("1", "1")
+
+        );
     }
 }