Add FXIOS-14220 [perftest] Emit perfherder JSON artifact (#30812)

Bug 2001364 - Ensure perfherder data is output to a JSON file for Firefox iOS performance tests

Author: junngo

bitrise.yml

@@ -1283,6 +1283,8 @@ workflows:
             sed 's/.*=//;s/'\''/"/g' data.txt > test.json
             cat test.json
             python3 perfTestTransform.py
+            mkdir -p "$BITRISE_DEPLOY_DIR"
+            mv perfherder-data.json $BITRISE_DEPLOY_DIR
     - [email protected]: {}
     before_run:
     - 1_git_clone_and_post_clone
@@ -1613,6 +1615,9 @@ workflows:
             sed 's/.*=//;s/'\''/"/g' data.txt > test.json
             cat test.json
             python3 perfTestTransform.py
+            mkdir -p "$BITRISE_DEPLOY_DIR"
+            mv perfherder-data.json $BITRISE_DEPLOY_DIR
+    - [email protected]: {}
     meta:
       bitrise.io:
         stack: osx-xcode-16.2.x

test-fixtures/perfTestTransform.py

@@ -21,3 +21,6 @@
         PERFHERDER_DATA["suites"].append(suite)
 
 print("PERFHERDER_DATA:", json.dumps(PERFHERDER_DATA))
+
+with open("perfherder-data.json", "w") as f:
+    f.write(json.dumps(PERFHERDER_DATA))