Add testcase source file attribute to JUnit XML reports (#8218)

* Add script to insert source file attributes to XML file testcases.

Author: sarahchen6

.circleci/collect_results.sh

@@ -4,7 +4,7 @@
 # This folder will be saved by circleci and available after test runs.
 
 set -e
-#Enable '**' support
+# Enable '**' support
 shopt -s globstar
 
 TEST_RESULTS_DIR=results
@@ -19,13 +19,36 @@ if [[ ${#TEST_RESULT_DIRS[@]} -eq 0 ]]; then
   exit 0
 fi
 
+function get_source_file () {
+  file_path="${RESULT_XML_FILE%%"/build"*}"
+  file_path="${file_path/#"$WORKSPACE_DIR"\//}/src"
+  if ! [[ $RESULT_XML_FILE == *"#"* ]]; then
+    class="${RESULT_XML_FILE%.xml}"
+    class="${class##*"TEST-"}"
+    class="${class##*"."}"
+    common_root=$(grep -rl "class $class" "$file_path" | head -n 1)
+    while IFS= read -r line; do
+      while [[ $line != "$common_root"* ]]; do
+        common_root=$(dirname "$common_root")
+        if [[ "$common_root" == "$common_root/.." ]]; then
+          break
+        fi
+      done
+    done < <(grep -rl "class $class" "$file_path")
+    file_path="$common_root"
+  fi
+}
+
 echo "Saving test results:"
 while IFS= read -r -d '' RESULT_XML_FILE
 do
   echo -n "- $RESULT_XML_FILE"
   AGGREGATED_FILE_NAME=$(echo "$RESULT_XML_FILE" | rev | cut -d "/" -f 1,2,5 | rev | tr "/" "_")
   echo -n " as $AGGREGATED_FILE_NAME"
   cp "$RESULT_XML_FILE" "$TEST_RESULTS_DIR/$AGGREGATED_FILE_NAME"
+  # Insert file attribute to testcase XML nodes
+  get_source_file
+  sed -i "/<testcase/ s|\(time=\"[^\"]*\"\)|\1 file=\"$file_path\"|g" "$TEST_RESULTS_DIR/$AGGREGATED_FILE_NAME"
   # Replace Java Object hashCode by marker in testcase XML nodes to get stable test names
   sed -i '/<testcase/ s/@[0-9a-f]\{5,\}/@HASHCODE/g' "$TEST_RESULTS_DIR/$AGGREGATED_FILE_NAME"
   # Replace random port numbers by marker in testcase XML nodes to get stable test names