Convert remaining tests to junit 5

.travis.yml

@@ -31,8 +31,8 @@ matrix:
     fast_finish: true
     allow_failures:
       - env: TEST_SUITE=fetcherTest
+      - env: TEST_SUITE=databaseTest
       - env: TEST_SUITE=guiTest
-      - env: TEST_SUITE=codecov
       - env: DEPENDENCY_UPDATES=check
 
 # JavaFX localization tests need a running X environment

build.gradle

@@ -204,7 +204,6 @@ dependencies {
 
 
     testCompile 'io.github.classgraph:classgraph:4.8.53'
-    testCompile 'junit:junit:4.12'
     testImplementation 'org.junit.jupiter:junit-jupiter:5.5.2'
     testRuntimeOnly 'org.junit.vintage:junit-vintage-engine:5.5.2'
     testCompile 'org.junit.platform:junit-platform-launcher:1.5.2'
@@ -441,31 +440,49 @@ localization.script = 'scripts/syncLang.py'
 // Test tasks
 test {
     useJUnitPlatform {
-        excludeTags 'DatabaseTest', 'FetcherTest', 'GUITest', 'org.jabref.testutils.category.FetcherTest', 'org.jabref.testutils.category.GUITest'
+        excludeTags 'DatabaseTest', 'FetcherTest', 'GUITest'
     }
 
     testLogging {
         // set options for log level LIFECYCLE
-        events "failed"
+        events = ["FAILED", "STANDARD_OUT", "STANDARD_ERROR"]
         exceptionFormat "full"
     }
 }
 
 task databaseTest(type: Test) {
-    useJUnit {
-        includeCategories 'org.jabref.testutils.category.DatabaseTest'
+    useJUnitPlatform {
+        includeTags 'DatabaseTest'
+    }
+
+    testLogging {
+        // set options for log level LIFECYCLE
+        events = ["FAILED", "STANDARD_OUT", "STANDARD_ERROR"]
+        exceptionFormat "full"
     }
 }
 
 task fetcherTest(type: Test) {
-    useJUnit {
-        includeCategories 'org.jabref.testutils.category.FetcherTest'
+    useJUnitPlatform {
+        includeTags 'FetcherTest'
+    }
+
+    testLogging {
+        // set options for log level LIFECYCLE
+        events = ["FAILED", "STANDARD_OUT", "STANDARD_ERROR"]
+        exceptionFormat "full"
     }
 }
 
 task guiTest(type: Test) {
-    useJUnit {
-        includeCategories 'org.jabref.testutils.category.GUITest'
+    useJUnitPlatform {
+        includeTags 'GUITest'
+    }
+
+    testLogging {
+        // set options for log level LIFECYCLE
+        events = ["FAILED", "STANDARD_OUT", "STANDARD_ERROR"]
+        exceptionFormat "full"
     }
 }
 
@@ -480,9 +497,24 @@ tasks.withType(Test) {
     reports.html.destination = file("${reporting.baseDir}/${name}")
 }
 
+task jacocoMergePrep() {
+    doFirst {
+        // Ignore failures of tests
+        tasks.withType(Test) {
+            ignoreFailures = true
+        }
+    }
+}
+test.mustRunAfter jacocoMergePrep
+databaseTest.mustRunAfter jacocoMergePrep
+fetcherTest.mustRunAfter jacocoMergePrep
+
 task jacocoMerge(type: JacocoMerge) {
-    executionData file("$buildDir/jacoco/test.exec"), file("$buildDir/jacoco/databaseTest.exec"), file("$buildDir/jacoco/fetcherTest.exec")
-    dependsOn test, databaseTest, fetcherTest
+    executionData files(
+            "$buildDir/jacoco/test.exec",
+            "$buildDir/jacoco/databaseTest.exec",
+            "$buildDir/jacoco/fetcherTest.exec").filter { it.exists() }
+    dependsOn jacocoMergePrep, test, databaseTest, fetcherTest
 }
 
 jacocoTestReport {

src/main/java/org/jabref/logic/shared/DBMSConnection.java

@@ -22,7 +22,6 @@ public class DBMSConnection implements DatabaseConnection {
     private final DBMSConnectionProperties properties;
 
     public DBMSConnection(DBMSConnectionProperties connectionProperties) throws SQLException, InvalidDBMSConnectionPropertiesException {
-
         if (!connectionProperties.isValid()) {
             throw new InvalidDBMSConnectionPropertiesException();
         }
@@ -34,7 +33,6 @@ public DBMSConnection(DBMSConnectionProperties connectionProperties) throws SQLE
             // we use the side effect of getAvailableDBMSTypes() - it loads all available drivers
             DBMSConnection.getAvailableDBMSTypes();
             this.connection = DriverManager.getConnection(connectionProperties.getUrl(), connectionProperties.asProperties());
-
         } catch (SQLException e) {
             // Some systems like PostgreSQL retrieves 0 to every exception.
             // Therefore a stable error determination is not possible.

src/test/java/module-info.test

@@ -1,7 +1,3 @@
---add-modules
-    // Make junit4 module visible (only required for last remaining parameterized tests)
-    junit
-
 --add-modules
     // Add junit5 module dependency
     org.junit.jupiter.api