eventHandler.js
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'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.default = void 0;
var _globalErrorHandlers = require('./globalErrorHandlers');
var _types = require('./types');
var _utils = require('./utils');
var global = (function () {
if (typeof globalThis !== 'undefined') {
return globalThis;
} else if (typeof global !== 'undefined') {
return global;
} else if (typeof self !== 'undefined') {
return self;
} else if (typeof window !== 'undefined') {
return window;
} else {
return Function('return this')();
}
})();
var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol;
var global = (function () {
if (typeof globalThis !== 'undefined') {
return globalThis;
} else if (typeof global !== 'undefined') {
return global;
} else if (typeof self !== 'undefined') {
return self;
} else if (typeof window !== 'undefined') {
return window;
} else {
return Function('return this')();
}
})();
var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol;
var global = (function () {
if (typeof globalThis !== 'undefined') {
return globalThis;
} else if (typeof global !== 'undefined') {
return global;
} else if (typeof self !== 'undefined') {
return self;
} else if (typeof window !== 'undefined') {
return window;
} else {
return Function('return this')();
}
})();
var jestNow = global[Symbol.for('jest-native-now')] || global.Date.now;
// TODO: investigate why a shorter (event, state) signature results into TS7006 compiler error
const eventHandler = (event, state) => {
switch (event.name) {
case 'include_test_location_in_result': {
state.includeTestLocationInResult = true;
break;
}
case 'hook_start': {
event.hook.seenDone = false;
break;
}
case 'start_describe_definition': {
const {blockName, mode} = event;
const {currentDescribeBlock, currentlyRunningTest} = state;
if (currentlyRunningTest) {
currentlyRunningTest.errors.push(
new Error(
`Cannot nest a describe inside a test. Describe block "${blockName}" cannot run because it is nested within "${currentlyRunningTest.name}".`
)
);
break;
}
const describeBlock = (0, _utils.makeDescribe)(
blockName,
currentDescribeBlock,
mode
);
currentDescribeBlock.children.push(describeBlock);
state.currentDescribeBlock = describeBlock;
break;
}
case 'finish_describe_definition': {
const {currentDescribeBlock} = state;
(0, _utils.invariant)(
currentDescribeBlock,
'currentDescribeBlock must be there'
);
if (!(0, _utils.describeBlockHasTests)(currentDescribeBlock)) {
currentDescribeBlock.hooks.forEach(hook => {
hook.asyncError.message = `Invalid: ${hook.type}() may not be used in a describe block containing no tests.`;
state.unhandledErrors.push(hook.asyncError);
});
} // pass mode of currentDescribeBlock to tests
// but do not when there is already a single test with "only" mode
const shouldPassMode = !(
currentDescribeBlock.mode === 'only' &&
currentDescribeBlock.children.some(
child => child.type === 'test' && child.mode === 'only'
)
);
if (shouldPassMode) {
currentDescribeBlock.children.forEach(child => {
if (child.type === 'test' && !child.mode) {
child.mode = currentDescribeBlock.mode;
}
});
}
if (
!state.hasFocusedTests &&
currentDescribeBlock.mode !== 'skip' &&
currentDescribeBlock.children.some(
child => child.type === 'test' && child.mode === 'only'
)
) {
state.hasFocusedTests = true;
}
if (currentDescribeBlock.parent) {
state.currentDescribeBlock = currentDescribeBlock.parent;
}
break;
}
case 'add_hook': {
const {currentDescribeBlock, currentlyRunningTest, hasStarted} = state;
const {asyncError, fn, hookType: type, timeout} = event;
if (currentlyRunningTest) {
currentlyRunningTest.errors.push(
new Error(
`Hooks cannot be defined inside tests. Hook of type "${type}" is nested within "${currentlyRunningTest.name}".`
)
);
break;
} else if (hasStarted) {
state.unhandledErrors.push(
new Error(
'Cannot add a hook after tests have started running. Hooks must be defined synchronously.'
)
);
break;
}
const parent = currentDescribeBlock;
currentDescribeBlock.hooks.push({
asyncError,
fn,
parent,
seenDone: false,
timeout,
type
});
break;
}
case 'add_test': {
const {currentDescribeBlock, currentlyRunningTest, hasStarted} = state;
const {asyncError, fn, mode, testName: name, timeout} = event;
if (currentlyRunningTest) {
currentlyRunningTest.errors.push(
new Error(
`Tests cannot be nested. Test "${name}" cannot run because it is nested within "${currentlyRunningTest.name}".`
)
);
break;
} else if (hasStarted) {
state.unhandledErrors.push(
new Error(
'Cannot add a test after tests have started running. Tests must be defined synchronously.'
)
);
break;
}
const test = (0, _utils.makeTest)(
fn,
mode,
name,
currentDescribeBlock,
timeout,
asyncError
);
if (currentDescribeBlock.mode !== 'skip' && test.mode === 'only') {
state.hasFocusedTests = true;
}
currentDescribeBlock.children.push(test);
currentDescribeBlock.tests.push(test);
break;
}
case 'hook_failure': {
const {test, describeBlock, error, hook} = event;
const {asyncError, type} = hook;
if (type === 'beforeAll') {
(0, _utils.invariant)(describeBlock, 'always present for `*All` hooks');
(0, _utils.addErrorToEachTestUnderDescribe)(
describeBlock,
error,
asyncError
);
} else if (type === 'afterAll') {
// Attaching `afterAll` errors to each test makes execution flow
// too complicated, so we'll consider them to be global.
state.unhandledErrors.push([error, asyncError]);
} else {
(0, _utils.invariant)(test, 'always present for `*Each` hooks');
test.errors.push([error, asyncError]);
}
break;
}
case 'test_skip': {
event.test.status = 'skip';
break;
}
case 'test_todo': {
event.test.status = 'todo';
break;
}
case 'test_done': {
event.test.duration = (0, _utils.getTestDuration)(event.test);
event.test.status = 'done';
state.currentlyRunningTest = null;
break;
}
case 'test_start': {
state.currentlyRunningTest = event.test;
event.test.startedAt = jestNow();
event.test.invocations += 1;
break;
}
case 'test_fn_start': {
event.test.seenDone = false;
break;
}
case 'test_fn_failure': {
const {
error,
test: {asyncError}
} = event;
event.test.errors.push([error, asyncError]);
break;
}
case 'test_retry': {
event.test.errors = [];
break;
}
case 'run_start': {
state.hasStarted = true;
global[_types.TEST_TIMEOUT_SYMBOL] &&
(state.testTimeout = global[_types.TEST_TIMEOUT_SYMBOL]);
break;
}
case 'run_finish': {
break;
}
case 'setup': {
// Uncaught exception handlers should be defined on the parent process
// object. If defined on the VM's process object they just no op and let
// the parent process crash. It might make sense to return a `dispatch`
// function to the parent process and register handlers there instead, but
// i'm not sure if this is works. For now i just replicated whatever
// jasmine was doing -- dabramov
state.parentProcess = event.parentProcess;
(0, _utils.invariant)(state.parentProcess);
state.originalGlobalErrorHandlers = (0,
_globalErrorHandlers.injectGlobalErrorHandlers)(state.parentProcess);
if (event.testNamePattern) {
state.testNamePattern = new RegExp(event.testNamePattern, 'i');
}
break;
}
case 'teardown': {
(0, _utils.invariant)(state.originalGlobalErrorHandlers);
(0, _utils.invariant)(state.parentProcess);
(0, _globalErrorHandlers.restoreGlobalErrorHandlers)(
state.parentProcess,
state.originalGlobalErrorHandlers
);
break;
}
case 'error': {
// It's very likely for long-running async tests to throw errors. In this
// case we want to catch them and fail the current test. At the same time
// there's a possibility that one test sets a long timeout, that will
// eventually throw after this test finishes but during some other test
// execution, which will result in one test's error failing another test.
// In any way, it should be possible to track where the error was thrown
// from.
state.currentlyRunningTest
? state.currentlyRunningTest.errors.push(event.error)
: state.unhandledErrors.push(event.error);
break;
}
}
};
var _default = eventHandler;
exports.default = _default;