test: add unit tests

providers/resource/bin/v4l2_ioctl_resource.py

@@ -5,20 +5,17 @@
 
 
 def main():
-    try:
-        udev_out = sp.check_output(
-            "udev_resource.py -f CAPTURE", universal_newlines=True, shell=True
-        )
-        lines = udev_out.splitlines()
-    except Exception as e:
-        lines = [f"name: broken {str(e)}"]
+    udev_out = sp.check_output(
+        "udev_resource.py -f CAPTURE", universal_newlines=True, shell=True
+    )
+    lines = udev_out.splitlines()
 
     for line in lines:
         if line.startswith("name:"):
             for ioctl_names in TEST_NAME_TO_IOCTL_MAP.values():
                 for name in ioctl_names:
                     print(line)
-                    print("ioctl_name:", format(name))
+                    print("ioctl_name: ".format(name))
                     print()  # empty line to mark end of list item
 
 

providers/resource/tests/test_v4l2_compliance_resource.py

@@ -1,15 +1,16 @@
 import unittest as ut
 from unittest.mock import MagicMock, patch, call
-from v4l2_ioctl_resource import main
+from v4l2_ioctl_resource import main as main_under_test
 from checkbox_support.parsers.v4l2_compliance import TEST_NAME_TO_IOCTL_MAP
 
 
 class TestV4L2IoctlResource(ut.TestCase):
-    @patch("v4l2_ioctl_resource.check_output")
+    @patch("v4l2_ioctl_resource.sp.check_output")
     def test_all_ioctl_names_are_generated(self, mock_check_output: MagicMock):
         mock_check_output.return_value = "\n".join(
             [
-                "path: /devices/pci0000:00/0000:00:14.0/usb3/3-9/3-9:1.0/video4linux/video0",
+                "path: /devices/pci0000:00/0000:00:14.0/usb3/"
+                + "3-9/3-9:1.0/video4linux/video0",
                 "name: video0",
                 "bus: video4linux",
                 "category: CAPTURE",
@@ -20,7 +21,35 @@ def test_all_ioctl_names_are_generated(self, mock_check_output: MagicMock):
                 "vendor: CN0PW36V8LG009BQA0YWA00",
                 "product_slug: Integrated_Webcam_HD__Integrate",
                 "vendor_slug: CN0PW36V8LG009BQA0YWA00",
+                "",
+                "path: /devices/pci0000:00/0000:00:14.0/usb3/"
+                + "3-9/3-9:1.0/video4linux/video1",
+                "name: video1",
+                "bus: video4linux",
+                "category: CAPTURE",
+                "driver: uvcvideo",
+                "product_id: 2312312",
+                "vendor_id: 12213",
+                "product: Integrated_Webcam_HD: Integrate",
+                "vendor: CN0PW36V3444438LG009BQA0YWA00",
+                "product_slug: Integrated_Webcam_HD__Integrate",
+                "vendor_slug: CN0PW36V8LG009BQA0YWA00",
             ]
         )
-        main()
-
+
+        with patch("builtins.print") as mock_print:
+            main_under_test()
+            expected_calls = []
+            for name in "video0", "video1":
+                for ioctl_names in TEST_NAME_TO_IOCTL_MAP.values():
+                    for ioctl_name in ioctl_names:
+                        expected_calls.append(call("name: {}".format(name)))
+                        expected_calls.append(
+                            call("ioctl_name: ".format(ioctl_name))
+                        )
+                        expected_calls.append(call())
+            mock_print.assert_has_calls(expected_calls)
+
+
+if __name__ == "__main__":
+    ut.main()