Tests/LibWeb: Import the main set of URLPattern WPT tests

Author: https://github.com/shannonbooth
Commit: f32cf33dee
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/4043

Tests/LibWeb/Text/input/wpt-import/urlpattern/resources/urlpatterntests.js

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+const kComponents = [
+  'protocol',
+  'username',
+  'password',
+  'hostname',
+  'port',
+  'password',
+  'pathname',
+  'search',
+  'hash',
+];
+
+function runTests(data) {
+  for (let entry of data) {
+    test(function() {
+      if (entry.expected_obj === 'error') {
+        assert_throws_js(TypeError, _ => new URLPattern(...entry.pattern),
+                         'URLPattern() constructor');
+        return;
+      }
+
+      const pattern = new URLPattern(...entry.pattern);
+
+      // If the expected_obj property is not present we will automatically
+      // fill it with the most likely expected values.
+      entry.expected_obj = entry.expected_obj || {};
+
+      // The compiled URLPattern object should have a property for each
+      // component exposing the compiled pattern string.
+      for (let component of kComponents) {
+        // If the test case explicitly provides an expected pattern string,
+        // then use that.  This is necessary in cases where the original
+        // construction pattern gets canonicalized, etc.
+        let expected = entry.expected_obj[component];
+
+        // If there is no explicit expected pattern string, then compute
+        // the expected value based on the URLPattern constructor args.
+        if (expected == undefined) {
+          // First determine if there is a baseURL present in the pattern
+          // input.  A baseURL can be the source for many component patterns.
+          let baseURL = null;
+          if (entry.pattern.length > 0 && entry.pattern[0].baseURL) {
+            baseURL = new URL(entry.pattern[0].baseURL);
+          } else if (entry.pattern.length > 1 &&
+                     typeof entry.pattern[1] === 'string') {
+            baseURL = new URL(entry.pattern[1]);
+          }
+
+          const EARLIER_COMPONENTS = {
+            protocol: [],
+            hostname: ["protocol"],
+            port: ["protocol", "hostname"],
+            username: [],
+            password: [],
+            pathname: ["protocol", "hostname", "port"],
+            search: ["protocol", "hostname", "port", "pathname"],
+            hash: ["protocol", "hostname", "port", "pathname", "search"],
+          };
+
+          // We automatically populate the expected pattern string using
+          // the following options in priority order:
+          //
+          //  1. If the original input explicitly provided a pattern, then
+          //     echo that back as the expected value.
+          //  2. If an "earlier" component is specified, then a wildcard
+          //     will be used rather than inheriting from the base URL.
+          //  3. If the baseURL exists and provides a component value then
+          //     use that for the expected pattern.
+          //  4. Otherwise fall back on the default pattern of `*` for an
+          //     empty component pattern.
+          //
+          // Note that username and password are never inherited, and will only
+          // need to match if explicitly specified.
+          if (entry.exactly_empty_components &&
+              entry.exactly_empty_components.includes(component)) {
+            expected = '';
+          } else if (typeof entry.pattern[0] === 'object' &&
+              entry.pattern[0][component]) {
+            expected = entry.pattern[0][component];
+          } else if (typeof entry.pattern[0] === 'object' &&
+              EARLIER_COMPONENTS[component].some(c => c in entry.pattern[0])) {
+            expected = '*';
+          } else if (baseURL && component !== 'username' && component !== 'password') {
+            let base_value = baseURL[component];
+            // Unfortunately some URL() getters include separator chars; e.g.
+            // the trailing `:` for the protocol.  Strip those off if necessary.
+            if (component === 'protocol')
+              base_value = base_value.substring(0, base_value.length - 1);
+            else if (component === 'search' || component === 'hash')
+              base_value = base_value.substring(1, base_value.length);
+            expected = base_value;
+          } else {
+            expected = '*';
+          }
+        }
+
+        // Finally, assert that the compiled object property matches the
+        // expected property.
+        assert_equals(pattern[component], expected,
+                      `compiled pattern property '${component}'`);
+      }
+
+      if (entry.expected_match === 'error') {
+        assert_throws_js(TypeError, _ => pattern.test(...entry.inputs),
+                         'test() result');
+        assert_throws_js(TypeError, _ => pattern.exec(...entry.inputs),
+                         'exec() result');
+        return;
+      }
+
+      // First, validate the test() method by converting the expected result to
+      // a truthy value.
+      assert_equals(pattern.test(...entry.inputs), !!entry.expected_match,
+                    'test() result');
+
+      // Next, start validating the exec() method.
+      const exec_result = pattern.exec(...entry.inputs);
+
+      // On a failed match exec() returns null.
+      if (!entry.expected_match || typeof entry.expected_match !== "object") {
+        assert_equals(exec_result, entry.expected_match, 'exec() failed match result');
+        return;
+      }
+
+      if (!entry.expected_match.inputs)
+        entry.expected_match.inputs = entry.inputs;
+
+      // Next verify the result.input is correct.  This may be a structured
+      // URLPatternInit dictionary object or a URL string.
+      assert_equals(exec_result.inputs.length,
+                    entry.expected_match.inputs.length,
+                    'exec() result.inputs.length');
+      for (let i = 0; i < exec_result.inputs.length; ++i) {
+        const input = exec_result.inputs[i];
+        const expected_input = entry.expected_match.inputs[i];
+        if (typeof input === 'string') {
+          assert_equals(input, expected_input, `exec() result.inputs[${i}]`);
+          continue;
+        }
+        for (let component of kComponents) {
+          assert_equals(input[component], expected_input[component],
+                        `exec() result.inputs[${i}][${component}]`);
+        }
+      }
+
+      // Next we will compare the URLPatternComponentResult for each of these
+      // expected components.
+      for (let component of kComponents) {
+        let expected_obj = entry.expected_match[component];
+
+        // If the test expectations don't include a component object, then
+        // we auto-generate one.  This is convenient for the many cases
+        // where the pattern has a default wildcard or empty string pattern
+        // for a component and the input is essentially empty.
+        if (!expected_obj) {
+          expected_obj = { input: '', groups: {} };
+
+          // Next, we must treat default wildcards differently than empty string
+          // patterns.  The wildcard results in a capture group, but the empty
+          // string pattern does not.  The expectation object must list which
+          // components should be empty instead of wildcards in
+          // |exactly_empty_components|.
+          if (!entry.exactly_empty_components ||
+              !entry.exactly_empty_components.includes(component)) {
+            expected_obj.groups['0'] = '';
+          }
+        }
+        // JSON does not allow us to use undefined directly, so the data file
+        // contains null instead.  Translate to the expected undefined value
+        // here.
+        for (const key in expected_obj.groups) {
+          if (expected_obj.groups[key] === null) {
+            expected_obj.groups[key] = undefined;
+          }
+        }
+        assert_object_equals(exec_result[component], expected_obj,
+                             `exec() result for ${component}`);
+      }
+    }, `Pattern: ${JSON.stringify(entry.pattern)} ` +
+       `Inputs: ${JSON.stringify(entry.inputs)}`);
+  }
+}
+
+promise_test(async function() {
+  const response = await fetch('resources/urlpatterntestdata.json');
+  const data = await response.json();
+  runTests(data);
+}, 'Loading data...');

Tests/LibWeb/Text/input/wpt-import/urlpattern/urlpattern.any.html

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+<!doctype html>
+<meta charset=utf-8>
+
+<script>
+self.GLOBAL = {
+  isWindow: function() { return true; },
+  isWorker: function() { return false; },
+  isShadowRealm: function() { return false; },
+};
+</script>
+<script src="../resources/testharness.js"></script>
+<script src="../resources/testharnessreport.js"></script>
+<script src="resources/urlpatterntests.js"></script>
+<div id=log></div>
+<script src="../urlpattern/urlpattern.any.js"></script>

Tests/LibWeb/Text/input/wpt-import/urlpattern/urlpattern.any.js

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+// META: global=window,worker
+// META: script=resources/urlpatterntests.js