[libgudev/benzea/fix-newline-stripping] tests: Add test for strv getting

[Benjamin Berg <bberg src gnome org>]

commit a409ce7d647df0aae47b2de5c803ba0d0db827f3
Author: Benjamin Berg <bberg redhat com>
Date:   Tue May 31 18:54:44 2022 +0200

    tests: Add test for strv getting
    
    Add a test for it, as it has a custom cache on top of udev.

 tests/test-sysfsattr.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
---
diff --git a/tests/test-sysfsattr.c b/tests/test-sysfsattr.c
index dbca3ed..f6eab00 100644
--- a/tests/test-sysfsattr.c
+++ b/tests/test-sysfsattr.c
@@ -112,6 +112,28 @@ test_sysfs_attr_keys (Fixture *f, G_GNUC_UNUSED const void *data)
        g_assert_cmpstrv (g_udev_device_get_sysfs_attr_keys (dev), expected);
 }
 
+static void
+test_sysfs_attr_as_strv (Fixture *f, G_GNUC_UNUSED const void *data)
+{
+       const char *expected[] = { "1", "2", "3", "4", "5", "6", NULL };
+       const char *empty[] = { NULL };
+       g_autoptr(GUdevDevice) dev = NULL;
+
+       dev = create_single_dev (f, "P: /devices/dev1\n"
+                                   "E: SUBSYSTEM=platform\n"
+                                   "A: test=1\\n2 3\\r4\\t5 \\t\\n6\n"
+                                   "E: ID_MODEL=KoolGadget");
+
+       /* Reading gives the expected result, even after updating the file */
+       g_assert_cmpstrv (g_udev_device_get_sysfs_attr_as_strv (dev, "test"), expected);
+       write_sysfs_attr (dev, "test", "\n");
+       g_assert_cmpstrv (g_udev_device_get_sysfs_attr_as_strv (dev, "test"), expected);
+
+       /* _uncached variant gets the new content and updates the cache */
+       g_assert_cmpstrv (g_udev_device_get_sysfs_attr_as_strv_uncached (dev, "test"), empty);
+       g_assert_cmpstrv (g_udev_device_get_sysfs_attr_as_strv (dev, "test"), empty);
+}
+
 int main(int argc, char **argv)
 {
        setlocale (LC_ALL, NULL);
@@ -127,5 +149,10 @@ int main(int argc, char **argv)
                    test_sysfs_attr_keys,
                    fixture_teardown);
 
+       g_test_add ("/gudev/sysfs_attr_as_strv", Fixture, NULL,
+                   fixture_setup,
+                   test_sysfs_attr_as_strv,
+                   fixture_teardown);
+
        return g_test_run ();
 }