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/**
* @license
* Copyright 2023 Google Inc.
* SPDX-License-Identifier: Apache-2.0
*/
import assert from 'assert';
import expect from 'expect';
import {getTestState, setupTestBrowserHooks} from './mocha-utils.js';
import {waitEvent} from './utils.js';
const FILENAME = __filename.replace(/[/\-\\^$*+?.()|[\]{}]/g, '\\$&');
const parseStackTrace = (stack: string): string => {
stack = stack.replace(new RegExp(FILENAME, 'g'), '<filename>');
stack = stack.replace(/<filename>:(\d+):(\d+)/g, '<filename>:<line>:<col>');
stack = stack.replace(/<anonymous>:(\d+):(\d+)/g, '<anonymous>:<line>:<col>');
return stack;
};
describe('Stack trace', function () {
setupTestBrowserHooks();
it('should work', async () => {
const {page} = await getTestState();
const error = (await page
.evaluate(() => {
throw new Error('Test');
})
.catch((error: Error) => {
return error;
})) as Error;
expect(error.name).toEqual('Error');
expect(error.message).toEqual('Test');
assert(error.stack);
error.stack = error.stack.replace(new RegExp(FILENAME, 'g'), '<filename>');
expect(
parseStackTrace(error.stack).split('\n at ').slice(0, 2)
).toMatchObject({
...[
'Error: Test',
'evaluate (evaluate at Context.<anonymous> (<filename>:<line>:<col>), <anonymous>:<line>:<col>)',
],
});
});
it('should work with handles', async () => {
const {page} = await getTestState();
const error = (await page
.evaluateHandle(() => {
throw new Error('Test');
})
.catch((error: Error) => {
return error;
})) as Error;
expect(error.name).toEqual('Error');
expect(error.message).toEqual('Test');
assert(error.stack);
expect(
parseStackTrace(error.stack).split('\n at ').slice(0, 2)
).toMatchObject({
...[
'Error: Test',
'evaluateHandle (evaluateHandle at Context.<anonymous> (<filename>:<line>:<col>), <anonymous>:<line>:<col>)',
],
});
});
it('should work with contiguous evaluation', async () => {
const {page} = await getTestState();
using thrower = await page.evaluateHandle(() => {
return () => {
throw new Error('Test');
};
});
const error = (await thrower
.evaluate(thrower => {
thrower();
})
.catch((error: Error) => {
return error;
})) as Error;
expect(error.name).toEqual('Error');
expect(error.message).toEqual('Test');
assert(error.stack);
expect(
parseStackTrace(error.stack).split('\n at ').slice(0, 3)
).toMatchObject({
...[
'Error: Test',
'evaluateHandle (evaluateHandle at Context.<anonymous> (<filename>:<line>:<col>), <anonymous>:<line>:<col>)',
'evaluate (evaluate at Context.<anonymous> (<filename>:<line>:<col>), <anonymous>:<line>:<col>)',
],
});
});
it('should work with nested function calls', async () => {
const {page} = await getTestState();
const error = (await page
.evaluate(() => {
function a() {
throw new Error('Test');
}
function b() {
a();
}
function c() {
b();
}
function d() {
c();
}
d();
})
.catch((error: Error) => {
return error;
})) as Error;
expect(error.name).toEqual('Error');
expect(error.message).toEqual('Test');
assert(error.stack);
expect(
parseStackTrace(error.stack).split('\n at ').slice(0, 6)
).toMatchObject({
...[
'Error: Test',
'a (evaluate at Context.<anonymous> (<filename>:<line>:<col>), <anonymous>:<line>:<col>)',
'b (evaluate at Context.<anonymous> (<filename>:<line>:<col>), <anonymous>:<line>:<col>)',
'c (evaluate at Context.<anonymous> (<filename>:<line>:<col>), <anonymous>:<line>:<col>)',
'd (evaluate at Context.<anonymous> (<filename>:<line>:<col>), <anonymous>:<line>:<col>)',
'evaluate (evaluate at Context.<anonymous> (<filename>:<line>:<col>), <anonymous>:<line>:<col>)',
],
});
});
it('should work for none error objects', async () => {
const {page} = await getTestState();
const [error] = await Promise.all([
waitEvent<Error>(page, 'pageerror'),
page.evaluate(() => {
// This can happen when a 404 with HTML is returned
void Promise.reject(new Response());
}),
]);
expect(error).toBeTruthy();
});
});