Generate screenshots for foreign languages ("de" and "fr" for now). #2454

tools/test/generateAllScreenshots.py

@@ -0,0 +1,84 @@
+#!/usr/bin/env python3
+
+import os
+import re
+
+
+def deleteExistingScreenshots():
+    print("Deleting existing screenshots...")
+    os.system("rm -rf screenshots")
+
+
+def generateAllScreenshots():
+    print("Generating all screenshots...")
+    os.system("./gradlew recordPaparazziDebug -PallLanguages")
+
+
+def detectLanguages():
+    __doc__ = "Detect languages from screenshots, other than English"
+    files = os.listdir("tests/uitests/src/test/snapshots/images/")
+    languages = set(map(lambda file: file[-7:-5], files))
+    languages = [lang for lang in languages if re.match("[a-z]", lang) and lang != "en"]
+    print("Detected languages: %s" % languages)
+    return languages
+
+
+def compare(file1, file2):
+    __doc__ = "Compare two files, return True if different, False if identical."
+    # Compare file size
+    file1_stats = os.stat(file1)
+    file2_stats = os.stat(file2)
+    if file1_stats.st_size != file2_stats.st_size:
+        return True
+    # Compare file content
+    with open(file1, "rb") as f1, open(file2, "rb") as f2:
+        content1 = f1.read()
+        content2 = f2.read()
+        return content1 != content2
+
+
+def deleteDuplicatedScreenshots(lang):
+    __doc__ = "Delete screenshots identical to the English version for a language"
+    print("Deleting screenshots identical to the English version for language %s..." % lang)
+    files = os.listdir("tests/uitests/src/test/snapshots/images/")
+    # Filter files by language
+    files = [file for file in files if file[-7:-5] == lang]
+    identicalFileCounter = 0
+    differentFileCounter = 0
+    for file in files:
+        englishFile = file[:3] + "S" + file[4:-7] + "en" + file[-5:]
+        fullFile = "tests/uitests/src/test/snapshots/images/" + file
+        fullEnglishFile = "tests/uitests/src/test/snapshots/images/" + englishFile
+        isDifferent = compare(fullFile, fullEnglishFile)
+        if isDifferent:
+            differentFileCounter += 1
+        else:
+            identicalFileCounter += 1
+            os.remove(fullFile)
+    print("For language %s, keeping %d files and deleting %d files." % (lang, differentFileCounter, identicalFileCounter))
+
+
+def moveScreenshots(lang):
+    __doc__ = "Move screenshots to the folder per language"
+    targetFolder = "screenshots/" + lang
+    print("Moving screenshots for %s to %s..." % (lang, targetFolder))
+    files = os.listdir("tests/uitests/src/test/snapshots/images/")
+    # Filter files by language
+    files = [file for file in files if file[-7:-5] == lang]
+    # Create the folder "./screenshots/<lang>"
+    os.makedirs(targetFolder, exist_ok=True)
+    for file in files:
+        fullFile = "tests/uitests/src/test/snapshots/images/" + file
+        os.rename(fullFile, targetFolder + "/" + file)
+
+
+def main():
+    deleteExistingScreenshots()
+    generateAllScreenshots()
+    lang = detectLanguages()
+    for l in lang:
+        deleteDuplicatedScreenshots(l)
+        moveScreenshots(l)
+
+
+main()