Import wpt@758b3b4cfa805067f36121333ba031e583d3a62c

third_party/WebKit/LayoutTests/external/wpt/referrer-policy/generic/sanity-checker.js

+// The SanityChecker is used in debug mode to identify problems with the
+// structure of the testsuite. In release mode it is mocked out to do nothing.
+
+function SanityChecker()  {}
+
+SanityChecker.prototype.checkScenario = function(scenario) {
+  // Check if scenario is valid.
+  // TODO(kristijanburnik): Move to a sanity-checks.js for debug mode only.
+  test(function() {
+
+    // We extend the exsiting test_expansion_schema not to kill performance by
+    // copying.
+    var expectedFields = SPEC_JSON["test_expansion_schema"];
+    expectedFields["referrer_policy"] = SPEC_JSON["referrer_policy_schema"];
+
+    assert_own_property(scenario, "subresource_path",
+                        "Scenario has the path to the subresource.");
+
+    for (var field in expectedFields) {
+      assert_own_property(scenario, field,
+                          "The scenario contains field " + field)
+      assert_in_array(scenario[field], expectedFields[field],
+                      "Scenario's " + field + " is one of: " +
+                      expectedFields[field].join(", ")) + "."
+    }
+
+    // Check if the protocol is matched.
+    assert_equals(scenario["source_protocol"] + ":", location.protocol,
+                  "Protocol of the test page should match the scenario.")
+
+  }, "[ReferrerPolicyTestCase] The test scenario is valid.");
+}
+
+SanityChecker.prototype.checkSubresourceResult = function(test,
+                                                          scenario,
+                                                          subresourceUrl,
+                                                          result) {
+  test.step(function() {
+    assert_equals(Object.keys(result).length, 3);
+    assert_own_property(result, "location");
+    assert_own_property(result, "referrer");
+    assert_own_property(result, "headers");
+
+    // Skip location check for scripts.
+    if (scenario.subresource == "script-tag")
+      return;
+
+    // Sanity check: location of sub-resource matches reported location.
+    assert_equals(result.location, subresourceUrl,
+                  "Subresource reported location.");
+  }, "Running a valid test scenario.");
+};