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fix(instrumentation-user-interaction): support clicks in React apps #537

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merged 4 commits into from Jun 21, 2021
Merged

fix(instrumentation-user-interaction): support clicks in React apps #537

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69a1c7b
fix(instrumentation-user-interaction): support clicks in React apps
kkruk-sumo Jun 14, 2021
6209b38
Merge branch 'main' into support_react_clicks
kkruk-sumo Jun 14, 2021
7ee1d07
chore: code maintenance
kkruk-sumo Jun 16, 2021
b14db18
Merge branch 'main' into support_react_clicks
kkruk-sumo Jun 16, 2021
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29 changes: 18 additions & 11 deletions plugins/web/opentelemetry-instrumentation-user-interaction/src/instrumentation.ts
View file
Open in desktop
Expand Up @@ -98,10 +98,13 @@ export class UserInteractionInstrumentation extends InstrumentationBase<unknown>
* @param eventName
*/
private _createSpan(
element: HTMLElement,
element: EventTarget | null | undefined,
eventName: string,
parentSpan?: api.Span | undefined
): api.Span | undefined {
if (!(element instanceof HTMLElement)) {
return undefined;
}
if (!element.getAttribute) {
return undefined;
}
Expand Down Expand Up @@ -254,7 +257,7 @@ export class UserInteractionInstrumentation extends InstrumentationBase<unknown>
* auto instrument the click events
* This is done when zone is not available
*/
private _patchElement() {
private _patchAddEventListener() {
const plugin = this;
return (original: Function) => {
return function addEventListenerPatched(
Expand All @@ -265,9 +268,9 @@ export class UserInteractionInstrumentation extends InstrumentationBase<unknown>
) {
const once = useCapture && useCapture.once;
const patchedListener = (...args: any[]) => {
const target = this;
let parentSpan: api.Span | undefined;
const event: Event | undefined = args[0];
const target = event?.target;
if (event) {
parentSpan = plugin._eventsSpanMap.get(event);
}
Expand Down Expand Up @@ -439,7 +442,11 @@ export class UserInteractionInstrumentation extends InstrumentationBase<unknown>
applyThis?: any,
applyArgs?: any
): Zone {
const target: HTMLElement | undefined = task.target;
const event =
Array.isArray(applyArgs) && applyArgs[0] instanceof Event
? applyArgs[0]
: undefined;
const target = event?.target;
let span: api.Span | undefined;
const activeZone = this;
if (target) {
Expand Down Expand Up @@ -564,23 +571,23 @@ export class UserInteractionInstrumentation extends InstrumentationBase<unknown>
);
} else {
this._zonePatched = false;
if (isWrapped(HTMLElement.prototype.addEventListener)) {
this._unwrap(HTMLElement.prototype, 'addEventListener');
if (isWrapped(EventTarget.prototype.addEventListener)) {
this._unwrap(EventTarget.prototype, 'addEventListener');
api.diag.debug('removing previous patch from method addEventListener');
}
if (isWrapped(HTMLElement.prototype.removeEventListener)) {
this._unwrap(HTMLElement.prototype, 'removeEventListener');
if (isWrapped(EventTarget.prototype.removeEventListener)) {
this._unwrap(EventTarget.prototype, 'removeEventListener');
api.diag.debug(
'removing previous patch from method removeEventListener'
);
}
this._wrap(
HTMLElement.prototype,
EventTarget.prototype,
'addEventListener',
this._patchElement()
this._patchAddEventListener()
);
this._wrap(
HTMLElement.prototype,
EventTarget.prototype,
'removeEventListener',
this._patchRemoveEventListener()
);
Expand Down
2 changes: 1 addition & 1 deletion plugins/web/opentelemetry-instrumentation-user-interaction/src/types.ts
View file
Open in desktop
Expand Up @@ -21,7 +21,7 @@ import * as types from '@opentelemetry/api';
*/
export type AsyncTask = Task & {
eventName: string;
target: HTMLElement;
target: EventTarget;
// Allows access to the private `_zone` property of a Zone.js Task.
_zone: Zone;
};
Expand Down
4 changes: 1 addition & 3 deletions plugins/web/opentelemetry-instrumentation-user-interaction/test/helper.test.ts
View file
Open in desktop
Expand Up @@ -36,10 +36,8 @@ export function createButton(disabled?: boolean): HTMLElement {

export function fakeInteraction(
callback: Function = function () {},
elem?: HTMLElement
element: HTMLElement = createButton()
) {
const element: HTMLElement = elem || createButton();

element.addEventListener('click', () => {
callback();
});
Expand Down
129 changes: 125 additions & 4 deletions ...ns/web/opentelemetry-instrumentation-user-interaction/test/userInteraction.nozone.test.ts
View file
Open in desktop
Expand Up @@ -337,10 +337,15 @@ describe('UserInteractionInstrumentation', () => {
callCount++;
};
document.body.addEventListener('click', listener1);
document.body.firstElementChild?.addEventListener('click', listener2);
document.body.firstElementChild?.dispatchEvent(
new MouseEvent('click', { bubbles: true })
);
try {
document.body.firstElementChild?.addEventListener('click', listener2);
document.body.firstElementChild?.dispatchEvent(
new MouseEvent('click', { bubbles: true })
);
} finally {
// remove added listener so we don't pollute other tests
document.body.removeEventListener('click', listener1);
}
assert.strictEqual(callCount, 2);
assert.strictEqual(exportSpy.args.length, 2);
assert.strictEqual(
Expand Down Expand Up @@ -410,6 +415,122 @@ describe('UserInteractionInstrumentation', () => {
});
});

it('should handle interactions listened on document - react < 17', done => {
const btn1 = document.createElement('button');
btn1.setAttribute('id', 'btn1');
document.body.appendChild(btn1);
const btn2 = document.createElement('button');
btn2.setAttribute('id', 'btn2');
document.body.appendChild(btn2);

const listener = (event: MouseEvent) => {
switch (event.target) {
case btn1:
getData(FILE_URL, () => {
sandbox.clock.tick(10);
}).then(() => {});
break;
case btn2:
getData(FILE_URL, () => {
sandbox.clock.tick(10);
}).then(() => {});
break;
}
};

document.addEventListener('click', listener);

try {
btn1.click();
btn2.click();
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I appreciate this test (having two targets and ensuring that the span names properly line up)!

} finally {
// remove added listener so we don't pollute other tests
document.removeEventListener('click', listener);
}

sandbox.clock.tick(1000);
originalSetTimeout(() => {
assert.equal(exportSpy.args.length, 4, 'should export 4 spans');

const span1: tracing.ReadableSpan = exportSpy.args[0][0][0];
const span2: tracing.ReadableSpan = exportSpy.args[1][0][0];
const span3: tracing.ReadableSpan = exportSpy.args[2][0][0];
const span4: tracing.ReadableSpan = exportSpy.args[3][0][0];

assertClickSpan(span1, 'btn1');
assertClickSpan(span2, 'btn2');

assert.strictEqual(
span1.spanContext().spanId,
span3.parentSpanId,
'span3 has wrong parent'
);
assert.strictEqual(
span2.spanContext().spanId,
span4.parentSpanId,
'span4 has wrong parent'
);

done();
});
});

it('should handle interactions listened on a parent element (bubbled events) - react >= 17', done => {
const root = document.createElement('div');
document.body.appendChild(root);

const btn1 = document.createElement('button');
btn1.setAttribute('id', 'btn1');
root.appendChild(btn1);
const btn2 = document.createElement('button');
btn2.setAttribute('id', 'btn2');
root.appendChild(btn2);

root.addEventListener('click', event => {
switch (event.target) {
case btn1:
getData(FILE_URL, () => {
sandbox.clock.tick(10);
}).then(() => {});
break;
case btn2:
getData(FILE_URL, () => {
sandbox.clock.tick(10);
}).then(() => {});
break;
}
});

btn1.click();
btn2.click();

sandbox.clock.tick(1000);
originalSetTimeout(() => {
assert.equal(exportSpy.args.length, 4, 'should export 4 spans');

const span1: tracing.ReadableSpan = exportSpy.args[0][0][0];
const span2: tracing.ReadableSpan = exportSpy.args[1][0][0];
const span3: tracing.ReadableSpan = exportSpy.args[2][0][0];
const span4: tracing.ReadableSpan = exportSpy.args[3][0][0];

assertClickSpan(span1, 'btn1');
assertClickSpan(span2, 'btn2');

assert.strictEqual(
span1.spanContext().spanId,
span3.parentSpanId,
'span3 has wrong parent'
);
assert.strictEqual(
span2.spanContext().spanId,
span4.parentSpanId,
'span4 has wrong parent'
);

done();
});
});

it('should handle disable', () => {
assert.strictEqual(
isWrapped(HTMLElement.prototype.addEventListener),
Expand Down
123 changes: 123 additions & 0 deletions plugins/web/opentelemetry-instrumentation-user-interaction/test/userInteraction.test.ts
View file
Open in desktop
Expand Up @@ -40,6 +40,13 @@ const FILE_URL =
'https://raw.githubusercontent.com/open-telemetry/opentelemetry-js/main/package.json';

describe('UserInteractionInstrumentation', () => {
afterEach(() => {
// clear body from elements created by some tests to make sure they are independent
while (document.body.lastChild) {
document.body.removeChild(document.body.lastChild);
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I'm not sure why this is necessary? Perhaps a comment?

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Comment added.

}
});

describe('when zone.js is available', () => {
let contextManager: ZoneContextManager;
let userInteractionInstrumentation: UserInteractionInstrumentation;
Expand Down Expand Up @@ -313,6 +320,122 @@ describe('UserInteractionInstrumentation', () => {
});
});

it('should handle interactions listened on document - react < 17', done => {
const btn1 = document.createElement('button');
btn1.setAttribute('id', 'btn1');
document.body.appendChild(btn1);
const btn2 = document.createElement('button');
btn2.setAttribute('id', 'btn2');
document.body.appendChild(btn2);

const listener = (event: MouseEvent) => {
switch (event.target) {
case btn1:
getData(FILE_URL, () => {
sandbox.clock.tick(10);
}).then(() => {});
break;
case btn2:
getData(FILE_URL, () => {
sandbox.clock.tick(10);
}).then(() => {});
break;
}
};

document.addEventListener('click', listener);

try {
btn1.click();
btn2.click();
} finally {
// remove added listener so we don't pollute other tests
document.removeEventListener('click', listener);
}

sandbox.clock.tick(1000);
originalSetTimeout(() => {
assert.equal(exportSpy.args.length, 4, 'should export 4 spans');

const span1: tracing.ReadableSpan = exportSpy.args[0][0][0];
const span2: tracing.ReadableSpan = exportSpy.args[1][0][0];
const span3: tracing.ReadableSpan = exportSpy.args[2][0][0];
const span4: tracing.ReadableSpan = exportSpy.args[3][0][0];

assertClickSpan(span1, 'btn1');
assertClickSpan(span2, 'btn2');

assert.strictEqual(
span1.spanContext().spanId,
span3.parentSpanId,
'span3 has wrong parent'
);
assert.strictEqual(
span2.spanContext().spanId,
span4.parentSpanId,
'span4 has wrong parent'
);

done();
});
});

it('should handle interactions listened on a parent element (bubbled events) - react >= 17', done => {
const root = document.createElement('div');
document.body.appendChild(root);

const btn1 = document.createElement('button');
btn1.setAttribute('id', 'btn1');
root.appendChild(btn1);
const btn2 = document.createElement('button');
btn2.setAttribute('id', 'btn2');
root.appendChild(btn2);

root.addEventListener('click', event => {
switch (event.target) {
case btn1:
getData(FILE_URL, () => {
sandbox.clock.tick(10);
}).then(() => {});
break;
case btn2:
getData(FILE_URL, () => {
sandbox.clock.tick(10);
}).then(() => {});
break;
}
});

btn1.click();
btn2.click();

sandbox.clock.tick(1000);
originalSetTimeout(() => {
assert.equal(exportSpy.args.length, 4, 'should export 4 spans');

const span1: tracing.ReadableSpan = exportSpy.args[0][0][0];
const span2: tracing.ReadableSpan = exportSpy.args[1][0][0];
const span3: tracing.ReadableSpan = exportSpy.args[2][0][0];
const span4: tracing.ReadableSpan = exportSpy.args[3][0][0];

assertClickSpan(span1, 'btn1');
assertClickSpan(span2, 'btn2');

assert.strictEqual(
span1.spanContext().spanId,
span3.parentSpanId,
'span3 has wrong parent'
);
assert.strictEqual(
span2.spanContext().spanId,
span4.parentSpanId,
'span4 has wrong parent'
);

done();
});
});

it('should handle unpatch', () => {
const _window: WindowWithZone = window as unknown as WindowWithZone;
const ZoneWithPrototype = _window.Zone;
Expand Down