Implement report in JUnit XML formatHEADmaster

Changelog: Added `--junit-report` switch to generate test report in JUnit XML format.

1 files changed, 40 insertions, 0 deletions

diff --git a/src/JUnit.hs b/src/JUnit.hs
new file mode 100644
index 0000000..c935987
--- /dev/null
+++ b/src/JUnit.hs
@@ -0,0 +1,40 @@
+module JUnit (
+    writeJUnitReport,
+) where
+
+import Control.Monad
+
+import Data.ByteString qualified as B
+import Data.ByteString.Char8 qualified as BC
+import Data.Function
+import Data.List.NonEmpty qualified as NE
+import Data.Text.Encoding
+
+import System.IO
+
+import Run
+import Script.Var
+
+
+writeJUnitReport :: FilePath -> Report -> IO ()
+writeJUnitReport path Report {..} = withFile path WriteMode $ \h -> do
+    B.hPutStr h $ "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+    B.hPutStr h $ "<testsuites time=\"" <> BC.pack (show reportTotalTime) <> "\">\n"
+    forM_ (NE.groupBy ((==) `on` (testNameModule . reportTestName)) reportTests) $ \grp -> do
+        B.hPutStr h $ "<testsuite name=\"" <> encodeUtf8 (textModuleName $ testNameModule $ reportTestName $ NE.head grp) <> "\" time=\"" <> BC.pack (show $ sum $ map reportTime $ NE.toList grp) <> "\">"
+        forM_ grp $ \SingleTestReport {..} -> do
+            B.hPutStr h $ B.concat
+                [ "<testcase name=\"", encodeUtf8 (testNameBase reportTestName), "\""
+                , " classname=\"", encodeUtf8 (textModuleName $ testNameModule reportTestName), "\""
+                , " time=\"", BC.pack (show reportTime), "\""
+                , case reportTestFailed of
+                    Nothing -> do
+                        " />"
+                    Just Failed -> do
+                        "><failure message=\"Test failed\"></failure></testcase>"
+                    Just (ProcessCrashed _) -> do
+                        "><error message=\"Process crashed\"></error></testcase>"
+                ]
+
+        B.hPutStr h $ "</testsuite>"
+    B.hPutStr h $ "</testsuites>\n"