xpath FEATURE XPath variable implementation added
diff --git a/tests/utests/basic/test_xpath.c b/tests/utests/basic/test_xpath.c
index 7be4ccf..74e310f 100644
--- a/tests/utests/basic/test_xpath.c
+++ b/tests/utests/basic/test_xpath.c
@@ -487,6 +487,261 @@
lyd_free_all(tree);
}
+static void
+test_variables(void **state)
+{
+ struct lyd_node *tree, *node;
+ struct ly_set *set;
+ const char *data;
+ struct lyxp_var *vars = NULL;
+
+#define LOCAL_SETUP(DATA, TREE) \
+ assert_int_equal(LY_SUCCESS, lyd_parse_data_mem(UTEST_LYCTX, DATA, LYD_XML, LYD_PARSE_STRICT, LYD_VALIDATE_PRESENT, &TREE)); \
+ assert_non_null(TREE);
+
+#define SET_NODE(NODE, SET, INDEX) \
+ assert_non_null(SET); \
+ assert_true(INDEX < SET->count); \
+ NODE = SET->objs[INDEX];
+
+#define LOCAL_TEARDOWN(SET, TREE, VARS) \
+ ly_set_free(SET, NULL); \
+ lyd_free_all(TREE); \
+ lyxp_vars_free(VARS); \
+ vars = NULL;
+
+ /* Eval variable to number. */
+ data =
+ "<l1 xmlns=\"urn:tests:a\">\n"
+ " <a>a1</a>\n"
+ " <b>b1</b>\n"
+ " <c>c1</c>\n"
+ "</l1>"
+ "<l1 xmlns=\"urn:tests:a\">\n"
+ " <a>a2</a>\n"
+ " <b>b2</b>\n"
+ " <c>c2</c>\n"
+ "</l1>";
+ LOCAL_SETUP(data, tree);
+ assert_int_equal(LY_SUCCESS, lyxp_vars_set(&vars, "var", "2"));
+ assert_int_equal(LY_SUCCESS, lyd_find_xpath2(tree, "/l1[$var]/a", vars, &set));
+ SET_NODE(node, set, 0);
+ assert_string_equal(lyd_get_value(node), "a2");
+ LOCAL_TEARDOWN(set, tree, vars);
+
+ /* Eval variable to string. */
+ data =
+ "<foo xmlns=\"urn:tests:a\">mstr</foo>";
+ LOCAL_SETUP(data, tree);
+ assert_int_equal(LY_SUCCESS, lyxp_vars_set(&vars, "var", "\"mstr\""));
+ assert_int_equal(LY_SUCCESS, lyd_find_xpath2(tree, "/foo[text() = $var]", vars, &set));
+ SET_NODE(node, set, 0);
+ assert_string_equal(lyd_get_value(node), "mstr");
+ LOCAL_TEARDOWN(set, tree, vars);
+
+ /* Eval variable to set of nodes. */
+ data =
+ "<l1 xmlns=\"urn:tests:a\">\n"
+ " <a>a1</a>\n"
+ " <b>b1</b>\n"
+ "</l1>"
+ "<l1 xmlns=\"urn:tests:a\">\n"
+ " <a>a2</a>\n"
+ " <b>b2</b>\n"
+ " <c>c2</c>\n"
+ "</l1>";
+ LOCAL_SETUP(data, tree);
+ assert_int_equal(LY_SUCCESS, lyxp_vars_set(&vars, "var", "c"));
+ assert_int_equal(LY_SUCCESS, lyd_find_xpath2(tree, "/l1[$var]/a", vars, &set));
+ SET_NODE(node, set, 0);
+ assert_string_equal(lyd_get_value(node), "a2");
+ LOCAL_TEARDOWN(set, tree, vars);
+
+ /* Variable in union expr. */
+ data =
+ "<l1 xmlns=\"urn:tests:a\">\n"
+ " <a>a1</a>\n"
+ " <b>b1</b>\n"
+ " <c>c1</c>\n"
+ "</l1>"
+ "<l1 xmlns=\"urn:tests:a\">\n"
+ " <a>a2</a>\n"
+ " <b>b2</b>\n"
+ " <c>c2</c>\n"
+ "</l1>"
+ "<l1 xmlns=\"urn:tests:a\">\n"
+ " <a>a3</a>\n"
+ " <b>b3</b>\n"
+ " <c>c3</c>\n"
+ "</l1>";
+ LOCAL_SETUP(data, tree);
+ assert_int_equal(LY_SUCCESS, lyxp_vars_set(&vars, "var", "c[../a = 'a3']"));
+ assert_int_equal(LY_SUCCESS, lyd_find_xpath2(tree, "/l1[c[../a = 'a1'] | $var]/a", vars, &set));
+ SET_NODE(node, set, 0);
+ assert_string_equal(lyd_get_value(node), "a1");
+ SET_NODE(node, set, 1);
+ assert_string_equal(lyd_get_value(node), "a3");
+ assert_int_equal(set->count, 2);
+ LOCAL_TEARDOWN(set, tree, vars);
+
+ /* Predicate after variable. */
+ data =
+ "<l1 xmlns=\"urn:tests:a\">\n"
+ " <a>a1</a>\n"
+ " <b>b1</b>\n"
+ " <c>c1</c>\n"
+ "</l1>"
+ "<l1 xmlns=\"urn:tests:a\">\n"
+ " <a>a2</a>\n"
+ " <b>b2</b>\n"
+ " <c>c2</c>\n"
+ "</l1>";
+ LOCAL_SETUP(data, tree);
+ assert_int_equal(LY_SUCCESS, lyxp_vars_set(&vars, "var", "c"));
+ assert_int_equal(LY_SUCCESS, lyd_find_xpath2(tree, "/l1[$var[../a = 'a1']]/a", vars, &set));
+ SET_NODE(node, set, 0);
+ assert_string_equal(lyd_get_value(node), "a1");
+ LOCAL_TEARDOWN(set, tree, vars);
+
+ /* Variable in variable. */
+ data =
+ "<foo xmlns=\"urn:tests:a\">mstr</foo>";
+ LOCAL_SETUP(data, tree);
+ assert_int_equal(LY_SUCCESS, lyxp_vars_set(&vars, "var1", "$var2"));
+ assert_int_equal(LY_SUCCESS, lyxp_vars_set(&vars, "var2", "\"mstr\""));
+ assert_int_equal(LY_SUCCESS, lyd_find_xpath2(tree, "/foo[text() = $var]", vars, &set));
+ SET_NODE(node, set, 0);
+ assert_string_equal(lyd_get_value(node), "mstr");
+ LOCAL_TEARDOWN(set, tree, vars);
+
+ /* Compare two variables. */
+ data =
+ "<foo xmlns=\"urn:tests:a\">mstr</foo>";
+ LOCAL_SETUP(data, tree);
+ assert_int_equal(LY_SUCCESS, lyxp_vars_set(&vars, "var1", "\"str\""));
+ assert_int_equal(LY_SUCCESS, lyxp_vars_set(&vars, "var2", "\"str\""));
+ assert_int_equal(LY_SUCCESS, lyd_find_xpath2(tree, "/foo[$var1 = $var2]", vars, &set));
+ SET_NODE(node, set, 0);
+ assert_string_equal(lyd_get_value(node), "mstr");
+ LOCAL_TEARDOWN(set, tree, vars);
+
+ /* Arithmetic operation with variable. */
+ data =
+ "<foo2 xmlns=\"urn:tests:a\">4</foo2>";
+ LOCAL_SETUP(data, tree);
+ assert_int_equal(LY_SUCCESS, lyxp_vars_set(&vars, "var1", "2"));
+ assert_int_equal(LY_SUCCESS, lyd_find_xpath2(tree, "/foo2[.= ($var1 * 2)]", vars, &set));
+ SET_NODE(node, set, 0);
+ assert_string_equal(lyd_get_value(node), "4");
+ LOCAL_TEARDOWN(set, tree, vars);
+
+ /* Variable as function parameter. */
+ data =
+ "<l1 xmlns=\"urn:tests:a\">\n"
+ " <a>a1</a>\n"
+ " <b>b1</b>\n"
+ " <c>c1</c>\n"
+ "</l1>"
+ "<l1 xmlns=\"urn:tests:a\">\n"
+ " <a>a2</a>\n"
+ " <b>b2</b>\n"
+ "</l1>";
+ LOCAL_SETUP(data, tree);
+ assert_int_equal(LY_SUCCESS, lyxp_vars_set(&vars, "var", "./c"));
+ assert_int_equal(LY_SUCCESS, lyd_find_xpath2(tree, "/l1[count($var) = 1]/a", vars, &set));
+ SET_NODE(node, set, 0);
+ assert_string_equal(lyd_get_value(node), "a1");
+ LOCAL_TEARDOWN(set, tree, vars);
+
+ /* Variable in path expr. */
+ /* NOTE: The variable can only be at the beginning of the expression path. */
+ data =
+ "<l1 xmlns=\"urn:tests:a\">\n"
+ " <a>a1</a>\n"
+ " <b>b1</b>\n"
+ " <c>c1</c>\n"
+ "</l1>"
+ "<l1 xmlns=\"urn:tests:a\">\n"
+ " <a>a2</a>\n"
+ " <b>b2</b>\n"
+ "</l1>";
+ LOCAL_SETUP(data, tree);
+ assert_int_equal(LY_SUCCESS, lyxp_vars_set(&vars, "var", "/l1"));
+ assert_int_equal(LY_SUCCESS, lyd_find_xpath2(tree, "/l1[$var/a]", vars, &set));
+ assert_int_equal(set->count, 2);
+ LOCAL_TEARDOWN(set, tree, vars);
+
+ /* Variable as function. */
+ data =
+ "<l1 xmlns=\"urn:tests:a\">\n"
+ " <a>a1</a>\n"
+ " <b>b1</b>\n"
+ " <c>c1</c>\n"
+ "</l1>"
+ "<l1 xmlns=\"urn:tests:a\">\n"
+ " <a>a2</a>\n"
+ " <b>b2</b>\n"
+ "</l1>";
+ LOCAL_SETUP(data, tree);
+ assert_int_equal(LY_SUCCESS, lyxp_vars_set(&vars, "var", "position()"));
+ assert_int_equal(LY_SUCCESS, lyd_find_xpath2(tree, "/l1[$var = 2]/a", vars, &set));
+ SET_NODE(node, set, 0);
+ assert_string_equal(lyd_get_value(node), "a2");
+ LOCAL_TEARDOWN(set, tree, vars);
+
+ /* Dynamic change of value. */
+ data =
+ "<l1 xmlns=\"urn:tests:a\">\n"
+ " <a>a1</a>\n"
+ " <b>b1</b>\n"
+ " <c>c1</c>\n"
+ "</l1>"
+ "<l1 xmlns=\"urn:tests:a\">\n"
+ " <a>a2</a>\n"
+ " <b>b2</b>\n"
+ " <c>c2</c>\n"
+ "</l1>";
+ LOCAL_SETUP(data, tree);
+ assert_int_equal(LY_SUCCESS, lyxp_vars_set(&vars, "var", "1"));
+ assert_int_equal(LY_SUCCESS, lyd_find_xpath2(tree, "/l1[$var]/a", vars, &set));
+ SET_NODE(node, set, 0);
+ assert_string_equal(lyd_get_value(node), "a1");
+ ly_set_free(set, NULL);
+ assert_int_equal(LY_SUCCESS, lyxp_vars_set(&vars, "var", "2"));
+ assert_int_equal(LY_SUCCESS, lyd_find_xpath2(tree, "/l1[$var]/a", vars, &set));
+ SET_NODE(node, set, 0);
+ assert_string_equal(lyd_get_value(node), "a2");
+ LOCAL_TEARDOWN(set, tree, vars);
+
+ /* Variable not defined. */
+ data =
+ "<foo xmlns=\"urn:tests:a\">mstr</foo>";
+ LOCAL_SETUP(data, tree);
+ assert_int_equal(LY_SUCCESS, lyxp_vars_set(&vars, "var1", "\"mstr\""));
+ assert_int_equal(LY_ENOTFOUND, lyd_find_xpath2(tree, "/foo[text() = $var55]", vars, &set));
+ LOCAL_TEARDOWN(set, tree, vars);
+
+ /* Syntax error in value. */
+ data =
+ "<foo xmlns=\"urn:tests:a\">mstr</foo>";
+ LOCAL_SETUP(data, tree);
+ assert_int_equal(LY_SUCCESS, lyxp_vars_set(&vars, "var", "\""));
+ assert_int_equal(LY_EVALID, lyd_find_xpath2(tree, "/foo[$var]", vars, &set));
+ LOCAL_TEARDOWN(set, tree, vars);
+
+ /* Prefix is not supported. */
+ data =
+ "<foo xmlns=\"urn:tests:a\">mstr</foo>";
+ LOCAL_SETUP(data, tree);
+ assert_int_equal(LY_SUCCESS, lyxp_vars_set(&vars, "var", "\""));
+ assert_int_equal(LY_EVALID, lyd_find_xpath2(tree, "/foo[$pref:var]", vars, &set));
+ assert_string_equal("Variable with prefix is not supported.", _UC->err_msg);
+ LOCAL_TEARDOWN(set, tree, vars);
+
+#undef LOCAL_SETUP
+#undef LOCAL_TEARDOWN
+}
+
int
main(void)
{
@@ -500,6 +755,7 @@
UTEST(test_canonize, setup),
UTEST(test_derived_from, setup),
UTEST(test_augment, setup),
+ UTEST(test_variables, setup),
};
return cmocka_run_group_tests(tests, NULL, NULL);