test: add tests for url::can_parse (#376)

Author: anonrig

include/ada/implementation.h

@@ -44,7 +44,8 @@ extern template ada::result<url_aggregator> parse<url_aggregator>(
  * @see https://url.spec.whatwg.org/#dom-url-canparse
  * @return If URL can be parsed or not.
  */
-bool can_parse(std::string_view input, std::string_view* base_input);
+bool can_parse(std::string_view input,
+               const std::string_view* base_input = nullptr);
 
 /**
  * Computes a href string from a file path.

src/implementation.cpp

@@ -46,7 +46,7 @@ std::string href_from_file(std::string_view input) {
   return "file://" + path;
 }
 
-bool can_parse(std::string_view input, std::string_view* base_input = nullptr) {
+bool can_parse(std::string_view input, const std::string_view* base_input) {
   ada::result<ada::url_aggregator> base;
   ada::url_aggregator* base_pointer = nullptr;
   if (base_input != nullptr) {

tests/basic_tests.cpp

@@ -293,3 +293,14 @@ TYPED_TEST(basic_tests, node_issue_47889) {
   ASSERT_EQ(url->get_pathname(), "b");
   SUCCEED();
 }
+
+TEST(basic_tests, can_parse) {
+  ASSERT_TRUE(ada::can_parse("https://www.yagiz.co"));
+  std::string_view base = "https://yagiz.co";
+  ASSERT_TRUE(ada::can_parse("/hello", &base));
+
+  std::string_view invalid_base = "!!!!!!!1";
+  ASSERT_FALSE(ada::can_parse("/hello", &invalid_base));
+  ASSERT_FALSE(ada::can_parse("!!!"));
+  SUCCEED();
+}