1 files changed, 122 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/popovers/resources/popover-invoking-attribute.js b/testing/web-platform/tests/html/semantics/popovers/resources/popover-invoking-attribute.js
new file mode 100644
index 0000000000..d2911647e1
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/popovers/resources/popover-invoking-attribute.js
@@ -0,0 +1,122 @@
+const actionReflectionLogic = (action) => {
+  switch (action?.toLowerCase()) {
+    case "show": return "show";
+    case "hide": return "hide";
+    default: return "toggle";
+  }
+}
+const noActivationLogic = (action) => {
+  return "none";
+}
+function makeElementWithType(element,type) {
+  return (test) => {
+    const el = Object.assign(document.createElement(element),{type});
+    document.body.appendChild(el);
+    test.add_cleanup(() => el.remove());
+    return el;
+  };
+}
+const supportedButtonTypes = ['button','reset','submit',''].map(type => {
+  return   {
+    name: `<button type="${type}">`,
+    makeElement: makeElementWithType('button',type),
+    invokeFn: el => {el.focus(); el.click()},
+    getExpectedLogic: actionReflectionLogic,
+  };
+});
+const supportedInputButtonTypes = ['button','reset','submit','image'].map(type => {
+  return   {
+    name: `<input type="${type}">`,
+    makeElement: makeElementWithType('input',type),
+    invokeFn: el => {el.focus(); el.click()},
+    getExpectedLogic: actionReflectionLogic,
+  };
+});
+const unsupportedTypes = ['text','email','password','search','tel','url','checkbox','radio','range','file','color','date','datetime-local','month','time','week','number'].map(type => {
+  return {
+    name: `<input type="${type}">`,
+    makeElement: makeElementWithType('input',type),
+    invokeFn: (el) => {el.focus();},
+    getExpectedLogic: noActivationLogic, // None of these support popover invocation
+  };
+});
+const invokers = [
+  ...supportedButtonTypes,
+  ...supportedInputButtonTypes,
+  ...unsupportedTypes,
+];
+function runPopoverInvokerTests(popoverTypes) {
+  window.addEventListener('load', () => {
+    popoverTypes.forEach(type => {
+      invokers.forEach(testcase => {
+        ["toggle","hide","show","ShOw","garbage",null,undefined].forEach(action => {
+          [false,true].forEach(use_idl_for_target => {
+            [false,true].forEach(use_idl_for_action => {
+              promise_test(async test => {
+                const popover = Object.assign(document.createElement('div'),{popover: type, id: 'my-popover'});
+                assert_equals(popover.popover,type,'reflection');
+                const invoker = testcase.makeElement(test);
+                if (use_idl_for_target) {
+                  invoker.popoverTargetElement = popover;
+                  assert_equals(invoker.getAttribute('popovertarget'),'','attribute value');
+                } else {
+                  invoker.setAttribute('popovertarget',popover.id);
+                }
+                if (use_idl_for_action) {
+                  invoker.popoverTargetAction = action;
+                  assert_equals(invoker.getAttribute('popovertargetaction'),String(action),'action reflection');
+                } else {
+                  invoker.setAttribute('popovertargetaction',action);
+                }
+                assert_true(!document.getElementById(popover.id));
+                assert_equals(invoker.popoverTargetElement,null,'targetElement should be null before the popover is in the document');
+                assert_equals(invoker.popoverTargetAction,actionReflectionLogic(action),'action should be correct immediately');
+                document.body.appendChild(popover);
+                test.add_cleanup(() => {popover.remove();});
+                assert_equals(invoker.popoverTargetElement,popover,'target element should be returned once it\'s in the document');
+                assert_false(popover.matches(':popover-open'));
+                await testcase.invokeFn(invoker);
+                assert_equals(document.activeElement,invoker,'Focus should end up on the invoker');
+                expectedBehavior = testcase.getExpectedLogic(action);
+                switch (expectedBehavior) {
+                  case "toggle":
+                  case "show":
+                    assert_true(popover.matches(':popover-open'),'Toggle or show should show the popover');
+                    popover.hidePopover(); // Hide the popover
+                    break;
+                  case "hide":
+                  case "none":
+                    assert_false(popover.matches(':popover-open'),'Hide or none should leave the popover hidden');
+                    break;
+                  default:
+                    assert_unreached();
+                }
+                if (expectedBehavior === "none") {
+                  // If no behavior is expected, then there is nothing left to test. Even re-focusing
+                  // a control that has no expected behavior may hide an open popover via light dismiss.
+                  return;
+                }
+                assert_false(popover.matches(':popover-open'));
+                popover.showPopover(); // Show the popover directly
+                assert_equals(document.activeElement,invoker,'The popover should not shift focus');
+                assert_true(popover.matches(':popover-open'));
+                await testcase.invokeFn(invoker);
+                switch (expectedBehavior) {
+                  case "toggle":
+                  case "hide":
+                    assert_false(popover.matches(':popover-open'),'Toggle or hide should hide the popover');
+                    break;
+                  case "show":
+                    assert_true(popover.matches(':popover-open'),'Show should leave the popover showing');
+                    break;
+                  default:
+                    assert_unreached();
+                }
+              },`Test ${testcase.name}, action=${action}, ${use_idl_for_target ? "popoverTarget IDL" : "popovertarget attr"}, ${use_idl_for_action ? "popoverTargetAction IDL" : "popovertargetaction attr"}, with popover=${type}`);
+            });
+          });
+        });
+      });
+    });
+  });
+}