libusbg: tests: Add simulation of configfs for config strings

Allows config strings to be get from and set on virtual filesystem.

Signed-off-by: Pawel Szewczyk <p.szewczyk@samsung.com>

Add more documentation. Add push_config_string() function.

Change-Id: Ie04321cee9ac2a6defe0b01a650a847e1ac0a581
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>

1 files changed, 63 insertions, 0 deletions

diff --git a/tests/usbg-test.c b/tests/usbg-test.c
index ae9e133..62d25de 100644
--- a/tests/usbg-test.c
+++ b/tests/usbg-test.c
@@ -398,6 +398,7 @@ static void cpy_test_config(struct test_config *to,
 	/* Reuse label */
 	to->label = from->label;
 	to->id = from->id;
+	to->strs = from->strs;
 
 	if (from->bound_funcs) {
 		/* If at least one function is not writable
@@ -902,6 +903,68 @@ void push_gadget_strs(struct test_gadget *gadget, int lang, usbg_gadget_strs *st
 		push_gadget_str(gadget, gadget_str_names[i], lang, get_gadget_str(strs, i));
 }
 
+void pull_config_string(struct test_config *config, int lang, const char *str)
+{
+	char *path;
+	int tmp;
+
+
+	tmp = asprintf(&path, "%s/%s/strings/0x%x",
+			config->path, config->name, lang);
+	if (tmp < 0)
+		fail();
+	free_later(path);
+
+	srand(time(NULL));
+	tmp = rand() % 2;
+
+	if (tmp) {
+		EXPECT_OPENDIR(path);
+	} else {
+		EXPECT_OPENDIR_ERROR(path, ENOENT);
+		EXPECT_MKDIR(path);
+	}
+
+	tmp = asprintf(&path, "%s/configuration", path);
+	if (tmp < 0)
+		fail();
+	free_later(path);
+
+	EXPECT_WRITE(path, str);
+}
+
+void pull_config_strs(struct test_config *config, int lang, usbg_config_strs *strs)
+{
+	pull_config_string(config, lang, strs->configuration);
+}
+
+void push_config_string(struct test_config *config, int lang, const char *str)
+{
+	char *path;
+	int tmp;
+
+
+	tmp = asprintf(&path, "%s/%s/strings/0x%x",
+			config->path, config->name, lang);
+	if (tmp < 0)
+		fail();
+	free_later(path);
+
+	EXPECT_OPENDIR(path);
+
+	tmp = asprintf(&path, "%s/configuration", path);
+	if (tmp < 0)
+		fail();
+	free_later(path);
+
+	PUSH_FILE(path, str);
+}
+
+void push_config_strs(struct test_config *config, int lang, usbg_config_strs *strs)
+{
+	push_config_string(config, lang, strs->configuration);
+}
+
 void assert_func_equal(usbg_function *f, struct test_function *expected)
 {
 	assert_string_equal(f->instance, expected->instance);