Add parameterized module: JUnit 5 @ParameterizedTest argument sources, display names, and two real anti-pattern failures

2026-10-03 21:50:52 +00:00
parent 8be1245951
commit ee75bfa792
45 changed files with 1179 additions and 0 deletions
@@ -0,0 +1,23 @@
+Captured from a real `junit-platform-console-standalone --details=tree` run against
+CsvFileSourceTest, compiled and executed for real against the committed
+src/test/resources/test-data/postcode-regions.csv fixture.
+
+╷
+├─ JUnit Platform Suite ✔
+├─ JUnit Jupiter ✔
+│  └─ CsvFileSourceTest ✔
+│     └─ shouldMapPostcodeToRegion(String, String) ✔
+│        ├─ postcode "SW1A" should map to region "London" ✔
+│        ├─ postcode "M1" should map to region "Manchester" ✔
+│        ├─ postcode "EH1" should map to region "Edinburgh" ✔
+│        ├─ postcode "CF10" should map to region "Cardiff" ✔
+│        └─ postcode "BT1" should map to region "Belfast" ✔
+└─ JUnit Vintage ✔
+
+Test run finished after 208 ms
+[         5 tests successful      ]
+[         0 tests failed          ]
+
+@CsvFileSource reads real rows from a real file on the classpath instead of inline strings --
+the five rows above are read from the CSV fixture's header row (postcode,region) plus five data
+rows, which exactly match the five entries Geocoder.java hardcodes internally.