1 files changed, 54 insertions, 0 deletions
diff --git a/sources/pyside-tools/qtpy2cpp_lib/tests/test_qtpy2cpp.py b/sources/pyside-tools/qtpy2cpp_lib/tests/test_qtpy2cpp.py
new file mode 100644
index 000000000..894b2a958
--- /dev/null
+++ b/sources/pyside-tools/qtpy2cpp_lib/tests/test_qtpy2cpp.py
@@ -0,0 +1,54 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+import subprocess
+import tempfile
+import sys
+from pathlib import Path
+
+# run pytest-3
+
+
+def diff_code(actual_code, expected_file):
+    """Helper to run diff if something fails (Linux only)."""
+    with tempfile.NamedTemporaryFile(suffix=".cpp") as tf:
+        tf.write(actual_code.encode('utf-8'))
+        tf.flush()
+        diff_cmd = ["diff", "-u", expected_file, tf.name]
+        subprocess.run(diff_cmd)
+
+
+def run_converter(tool, file):
+    """Run the converter and return C++ code generated from file."""
+    cmd = [sys.executable, tool, "--stdout", file]
+    output = ""
+    with subprocess.Popen(cmd, stdout=subprocess.PIPE) as proc:
+        output_b, errors_b = proc.communicate()
+        output = output_b.decode('utf-8')
+        if errors_b:
+            print(errors_b.decode('utf-8'), file=sys.stderr)
+    return output
+
+
+def test_examples():
+    dir = Path(__file__).resolve().parent
+    tool = dir.parents[1] / "qtpy2cpp.py"
+    assert tool.is_file
+    for test_file in (dir / "baseline").glob("*.py"):
+        assert test_file.is_file
+        expected_file = test_file.parent / (test_file.stem + ".cpp")
+        if expected_file.is_file():
+            actual_code = run_converter(tool, test_file)
+            assert actual_code
+            expected_code = expected_file.read_text()
+            # Strip the license
+            code_start = expected_code.find("// Converted from")
+            assert code_start != -1
+            expected_code = expected_code[code_start:]
+
+            if actual_code != expected_code:
+                diff_code(actual_code, expected_file)
+            assert actual_code == expected_code
+        else:
+            print(f"Warning, {test_file} is missing a .cpp file.",
+                  file=sys.stderr)