diff options
Diffstat (limited to 'tests/changeset.c')
| -rw-r--r-- | tests/changeset.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/tests/changeset.c b/tests/changeset.c index 5f046df..e3153e2 100644 --- a/tests/changeset.c +++ b/tests/changeset.c @@ -572,6 +572,145 @@ test_diff (void) } } +static DConfChangeset * +changeset_from_string (const gchar *string, gboolean is_database) +{ + GVariant *parsed; + DConfChangeset *changes, *parsed_changes; + + if (is_database) + changes = dconf_changeset_new_database (NULL); + else + changes = dconf_changeset_new (); + + if (string != NULL) + { + parsed = g_variant_parse (NULL, string, NULL, NULL, NULL); + parsed_changes = dconf_changeset_deserialise (parsed); + dconf_changeset_change (changes, parsed_changes); + dconf_changeset_unref (parsed_changes); + g_variant_unref (parsed); + } + + return changes; +} + +static gchar * +string_from_changeset (DConfChangeset *changeset) +{ + GVariant *serialised; + gchar *string; + + if (dconf_changeset_is_empty (changeset)) + return NULL; + + serialised = dconf_changeset_serialise (changeset); + string = g_variant_print (serialised, TRUE); + g_variant_unref (serialised); + return string; +} + +static void +call_filter_changes (const gchar *base_string, + const gchar *changes_string, + const gchar *expected) +{ + DConfChangeset *base, *changes, *filtered; + gchar *filtered_string = NULL; + + base = changeset_from_string (base_string, TRUE); + changes = changeset_from_string (changes_string, FALSE); + filtered = dconf_changeset_filter_changes (base, changes); + if (filtered != NULL) + { + filtered_string = string_from_changeset (filtered); + dconf_changeset_unref (filtered); + } + + g_assert_cmpstr (filtered_string, ==, expected); + + dconf_changeset_unref (base); + dconf_changeset_unref (changes); + g_free (filtered_string); +} + +static void +test_filter_changes (void) +{ + /* These tests are mostly negative, since dconf_changeset_filter_changes + * is called from dconf_changeset_diff */ + + // Define test changesets as serialised g_variant strings + const gchar *empty = NULL; + const gchar *a1 = "{'/a': @mv <'value1'>}"; + const gchar *a2 = "{'/a': @mv <'value2'>}"; + const gchar *b2 = "{'/b': @mv <'value2'>}"; + const gchar *a1b1 = "{'/a': @mv <'value1'>, '/b': @mv <'value1'>}"; + const gchar *a1b2 = "{'/a': @mv <'value1'>, '/b': @mv <'value2'>}"; + const gchar *a1r1 = "{'/a': @mv <'value1'>, '/r/c': @mv <'value3'>}"; + const gchar *key_reset = "{'/a': @mv nothing}"; + const gchar *root_reset = "{'/': @mv nothing}"; + const gchar *partial_reset = "{'/r/': @mv nothing}"; + + /* an empty changeset would not change an empty database */ + call_filter_changes (empty, empty, NULL); + + /* an empty changeset would not change a database with values */ + call_filter_changes (a1, empty, NULL); + + /* a changeset would not change a database with the same values */ + call_filter_changes (a1, a1, NULL); + call_filter_changes (a1b2, a1b2, NULL); + + /* A non-empty changeset would change an empty database */ + call_filter_changes (empty, a1, a1); + + /* a changeset would change a database with the same keys but + * different values */ + call_filter_changes (a1, a2, a2); + call_filter_changes (a1b1, a1b2, b2); + + /* A changeset would change a database with disjoint values */ + call_filter_changes (a1, b2, b2); + + /* A changeset would change a database with some equal and some new + * values */ + call_filter_changes (a1, a1b2, b2); + + /* A changeset would not change a database with some equal and some + * new values */ + call_filter_changes (a1b2, a1, NULL); + + /* A root reset has an effect on a database with values */ + call_filter_changes (a1, root_reset, root_reset); + call_filter_changes (a1b2, root_reset, root_reset); + + /* A root reset would have no effect on an empty database */ + call_filter_changes (empty, root_reset, NULL); + + /* A key reset would have no effect on an empty database */ + call_filter_changes (empty, key_reset, NULL); + + /* A key reset would have no effect on a database with other keys */ + call_filter_changes (b2, key_reset, NULL); + + /* A key reset would have an effect on a database containing that + * key */ + call_filter_changes (a1, key_reset, key_reset); + call_filter_changes (a1b1, key_reset, key_reset); + + /* A partial reset would have no effect on an empty database */ + call_filter_changes (empty, partial_reset, NULL); + + /* A partial reset would have no effect on a database with other + * values */ + call_filter_changes (a1, partial_reset, NULL); + + /* A partial reset would have an effect on a database with some values + * under that path */ + call_filter_changes (a1r1, partial_reset, partial_reset); +} + int main (int argc, char **argv) { @@ -584,6 +723,7 @@ main (int argc, char **argv) g_test_add_func ("/changeset/serialiser", test_serialiser); g_test_add_func ("/changeset/change", test_change); g_test_add_func ("/changeset/diff", test_diff); + g_test_add_func ("/changeset/filter", test_filter_changes); return g_test_run (); } |