forked from M3-Academy/challenge-algorithms-v2.0
1251 lines
40 KiB
JavaScript
1251 lines
40 KiB
JavaScript
'use strict';
|
|
|
|
Object.defineProperty(exports, '__esModule', {
|
|
value: true
|
|
});
|
|
exports.default = void 0;
|
|
var _expectUtils = require('@jest/expect-utils');
|
|
var _jestGetType = require('jest-get-type');
|
|
var _jestMatcherUtils = require('jest-matcher-utils');
|
|
/**
|
|
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*/
|
|
|
|
// The optional property of matcher context is true if undefined.
|
|
const isExpand = expand => expand !== false;
|
|
const PRINT_LIMIT = 3;
|
|
const NO_ARGUMENTS = 'called with 0 arguments';
|
|
const printExpectedArgs = expected =>
|
|
expected.length === 0
|
|
? NO_ARGUMENTS
|
|
: expected.map(arg => (0, _jestMatcherUtils.printExpected)(arg)).join(', ');
|
|
const printReceivedArgs = (received, expected) =>
|
|
received.length === 0
|
|
? NO_ARGUMENTS
|
|
: received
|
|
.map((arg, i) =>
|
|
Array.isArray(expected) &&
|
|
i < expected.length &&
|
|
isEqualValue(expected[i], arg)
|
|
? printCommon(arg)
|
|
: (0, _jestMatcherUtils.printReceived)(arg)
|
|
)
|
|
.join(', ');
|
|
const printCommon = val =>
|
|
(0, _jestMatcherUtils.DIM_COLOR)((0, _jestMatcherUtils.stringify)(val));
|
|
const isEqualValue = (expected, received) =>
|
|
(0, _expectUtils.equals)(expected, received, [_expectUtils.iterableEquality]);
|
|
const isEqualCall = (expected, received) =>
|
|
received.length === expected.length && isEqualValue(expected, received);
|
|
const isEqualReturn = (expected, result) =>
|
|
result.type === 'return' && isEqualValue(expected, result.value);
|
|
const countReturns = results =>
|
|
results.reduce((n, result) => (result.type === 'return' ? n + 1 : n), 0);
|
|
const printNumberOfReturns = (countReturns, countCalls) =>
|
|
`\nNumber of returns: ${(0, _jestMatcherUtils.printReceived)(countReturns)}${
|
|
countCalls !== countReturns
|
|
? `\nNumber of calls: ${(0, _jestMatcherUtils.printReceived)(
|
|
countCalls
|
|
)}`
|
|
: ''
|
|
}`;
|
|
// Given a label, return a function which given a string,
|
|
// right-aligns it preceding the colon in the label.
|
|
const getRightAlignedPrinter = label => {
|
|
// Assume that the label contains a colon.
|
|
const index = label.indexOf(':');
|
|
const suffix = label.slice(index);
|
|
return (string, isExpectedCall) =>
|
|
(isExpectedCall
|
|
? `->${' '.repeat(Math.max(0, index - 2 - string.length))}`
|
|
: ' '.repeat(Math.max(index - string.length))) +
|
|
string +
|
|
suffix;
|
|
};
|
|
const printReceivedCallsNegative = (
|
|
expected,
|
|
indexedCalls,
|
|
isOnlyCall,
|
|
iExpectedCall
|
|
) => {
|
|
if (indexedCalls.length === 0) {
|
|
return '';
|
|
}
|
|
const label = 'Received: ';
|
|
if (isOnlyCall) {
|
|
return `${label + printReceivedArgs(indexedCalls[0], expected)}\n`;
|
|
}
|
|
const printAligned = getRightAlignedPrinter(label);
|
|
return `Received\n${indexedCalls.reduce(
|
|
(printed, [i, args]) =>
|
|
`${
|
|
printed +
|
|
printAligned(String(i + 1), i === iExpectedCall) +
|
|
printReceivedArgs(args, expected)
|
|
}\n`,
|
|
''
|
|
)}`;
|
|
};
|
|
const printExpectedReceivedCallsPositive = (
|
|
expected,
|
|
indexedCalls,
|
|
expand,
|
|
isOnlyCall,
|
|
iExpectedCall
|
|
) => {
|
|
const expectedLine = `Expected: ${printExpectedArgs(expected)}\n`;
|
|
if (indexedCalls.length === 0) {
|
|
return expectedLine;
|
|
}
|
|
const label = 'Received: ';
|
|
if (isOnlyCall && (iExpectedCall === 0 || iExpectedCall === undefined)) {
|
|
const received = indexedCalls[0][1];
|
|
if (isLineDiffableCall(expected, received)) {
|
|
// Display diff without indentation.
|
|
const lines = [
|
|
(0, _jestMatcherUtils.EXPECTED_COLOR)('- Expected'),
|
|
(0, _jestMatcherUtils.RECEIVED_COLOR)('+ Received'),
|
|
''
|
|
];
|
|
const length = Math.max(expected.length, received.length);
|
|
for (let i = 0; i < length; i += 1) {
|
|
if (i < expected.length && i < received.length) {
|
|
if (isEqualValue(expected[i], received[i])) {
|
|
lines.push(` ${printCommon(received[i])},`);
|
|
continue;
|
|
}
|
|
if (isLineDiffableArg(expected[i], received[i])) {
|
|
const difference = (0, _jestMatcherUtils.diff)(
|
|
expected[i],
|
|
received[i],
|
|
{
|
|
expand
|
|
}
|
|
);
|
|
if (
|
|
typeof difference === 'string' &&
|
|
difference.includes('- Expected') &&
|
|
difference.includes('+ Received')
|
|
) {
|
|
// Omit annotation in case multiple args have diff.
|
|
lines.push(`${difference.split('\n').slice(3).join('\n')},`);
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
if (i < expected.length) {
|
|
lines.push(
|
|
`${(0, _jestMatcherUtils.EXPECTED_COLOR)(
|
|
`- ${(0, _jestMatcherUtils.stringify)(expected[i])}`
|
|
)},`
|
|
);
|
|
}
|
|
if (i < received.length) {
|
|
lines.push(
|
|
`${(0, _jestMatcherUtils.RECEIVED_COLOR)(
|
|
`+ ${(0, _jestMatcherUtils.stringify)(received[i])}`
|
|
)},`
|
|
);
|
|
}
|
|
}
|
|
return `${lines.join('\n')}\n`;
|
|
}
|
|
return `${expectedLine + label + printReceivedArgs(received, expected)}\n`;
|
|
}
|
|
const printAligned = getRightAlignedPrinter(label);
|
|
return (
|
|
// eslint-disable-next-line prefer-template
|
|
expectedLine +
|
|
'Received\n' +
|
|
indexedCalls.reduce((printed, [i, received]) => {
|
|
const aligned = printAligned(String(i + 1), i === iExpectedCall);
|
|
return `${
|
|
printed +
|
|
((i === iExpectedCall || iExpectedCall === undefined) &&
|
|
isLineDiffableCall(expected, received)
|
|
? aligned.replace(': ', '\n') +
|
|
printDiffCall(expected, received, expand)
|
|
: aligned + printReceivedArgs(received, expected))
|
|
}\n`;
|
|
}, '')
|
|
);
|
|
};
|
|
const indentation = 'Received'.replace(/\w/g, ' ');
|
|
const printDiffCall = (expected, received, expand) =>
|
|
received
|
|
.map((arg, i) => {
|
|
if (i < expected.length) {
|
|
if (isEqualValue(expected[i], arg)) {
|
|
return `${indentation} ${printCommon(arg)},`;
|
|
}
|
|
if (isLineDiffableArg(expected[i], arg)) {
|
|
const difference = (0, _jestMatcherUtils.diff)(expected[i], arg, {
|
|
expand
|
|
});
|
|
if (
|
|
typeof difference === 'string' &&
|
|
difference.includes('- Expected') &&
|
|
difference.includes('+ Received')
|
|
) {
|
|
// Display diff with indentation.
|
|
// Omit annotation in case multiple args have diff.
|
|
return `${difference
|
|
.split('\n')
|
|
.slice(3)
|
|
.map(line => indentation + line)
|
|
.join('\n')},`;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Display + only if received arg has no corresponding expected arg.
|
|
return `${
|
|
indentation +
|
|
(i < expected.length
|
|
? ` ${(0, _jestMatcherUtils.printReceived)(arg)}`
|
|
: (0, _jestMatcherUtils.RECEIVED_COLOR)(
|
|
`+ ${(0, _jestMatcherUtils.stringify)(arg)}`
|
|
))
|
|
},`;
|
|
})
|
|
.join('\n');
|
|
const isLineDiffableCall = (expected, received) =>
|
|
expected.some(
|
|
(arg, i) => i < received.length && isLineDiffableArg(arg, received[i])
|
|
);
|
|
|
|
// Almost redundant with function in jest-matcher-utils,
|
|
// except no line diff for any strings.
|
|
const isLineDiffableArg = (expected, received) => {
|
|
const expectedType = (0, _jestGetType.getType)(expected);
|
|
const receivedType = (0, _jestGetType.getType)(received);
|
|
if (expectedType !== receivedType) {
|
|
return false;
|
|
}
|
|
if ((0, _jestGetType.isPrimitive)(expected)) {
|
|
return false;
|
|
}
|
|
if (
|
|
expectedType === 'date' ||
|
|
expectedType === 'function' ||
|
|
expectedType === 'regexp'
|
|
) {
|
|
return false;
|
|
}
|
|
if (expected instanceof Error && received instanceof Error) {
|
|
return false;
|
|
}
|
|
if (
|
|
expectedType === 'object' &&
|
|
typeof expected.asymmetricMatch === 'function'
|
|
) {
|
|
return false;
|
|
}
|
|
if (
|
|
receivedType === 'object' &&
|
|
typeof received.asymmetricMatch === 'function'
|
|
) {
|
|
return false;
|
|
}
|
|
return true;
|
|
};
|
|
const printResult = (result, expected) =>
|
|
result.type === 'throw'
|
|
? 'function call threw an error'
|
|
: result.type === 'incomplete'
|
|
? 'function call has not returned yet'
|
|
: isEqualValue(expected, result.value)
|
|
? printCommon(result.value)
|
|
: (0, _jestMatcherUtils.printReceived)(result.value);
|
|
// Return either empty string or one line per indexed result,
|
|
// so additional empty line can separate from `Number of returns` which follows.
|
|
const printReceivedResults = (
|
|
label,
|
|
expected,
|
|
indexedResults,
|
|
isOnlyCall,
|
|
iExpectedCall
|
|
) => {
|
|
if (indexedResults.length === 0) {
|
|
return '';
|
|
}
|
|
if (isOnlyCall && (iExpectedCall === 0 || iExpectedCall === undefined)) {
|
|
return `${label + printResult(indexedResults[0][1], expected)}\n`;
|
|
}
|
|
const printAligned = getRightAlignedPrinter(label);
|
|
return (
|
|
// eslint-disable-next-line prefer-template
|
|
label.replace(':', '').trim() +
|
|
'\n' +
|
|
indexedResults.reduce(
|
|
(printed, [i, result]) =>
|
|
`${
|
|
printed +
|
|
printAligned(String(i + 1), i === iExpectedCall) +
|
|
printResult(result, expected)
|
|
}\n`,
|
|
''
|
|
)
|
|
);
|
|
};
|
|
const createToBeCalledMatcher = matcherName =>
|
|
function (received, expected) {
|
|
const expectedArgument = '';
|
|
const options = {
|
|
isNot: this.isNot,
|
|
promise: this.promise
|
|
};
|
|
(0, _jestMatcherUtils.ensureNoExpected)(expected, matcherName, options);
|
|
ensureMockOrSpy(received, matcherName, expectedArgument, options);
|
|
const receivedIsSpy = isSpy(received);
|
|
const receivedName = receivedIsSpy ? 'spy' : received.getMockName();
|
|
const count = receivedIsSpy
|
|
? received.calls.count()
|
|
: received.mock.calls.length;
|
|
const calls = receivedIsSpy
|
|
? received.calls.all().map(x => x.args)
|
|
: received.mock.calls;
|
|
const pass = count > 0;
|
|
const message = pass
|
|
? () =>
|
|
// eslint-disable-next-line prefer-template
|
|
(0, _jestMatcherUtils.matcherHint)(
|
|
matcherName,
|
|
receivedName,
|
|
expectedArgument,
|
|
options
|
|
) +
|
|
'\n\n' +
|
|
`Expected number of calls: ${(0, _jestMatcherUtils.printExpected)(
|
|
0
|
|
)}\n` +
|
|
`Received number of calls: ${(0, _jestMatcherUtils.printReceived)(
|
|
count
|
|
)}\n\n` +
|
|
calls
|
|
.reduce((lines, args, i) => {
|
|
if (lines.length < PRINT_LIMIT) {
|
|
lines.push(`${i + 1}: ${printReceivedArgs(args)}`);
|
|
}
|
|
return lines;
|
|
}, [])
|
|
.join('\n')
|
|
: () =>
|
|
// eslint-disable-next-line prefer-template
|
|
(0, _jestMatcherUtils.matcherHint)(
|
|
matcherName,
|
|
receivedName,
|
|
expectedArgument,
|
|
options
|
|
) +
|
|
'\n\n' +
|
|
`Expected number of calls: >= ${(0, _jestMatcherUtils.printExpected)(
|
|
1
|
|
)}\n` +
|
|
`Received number of calls: ${(0, _jestMatcherUtils.printReceived)(
|
|
count
|
|
)}`;
|
|
return {
|
|
message,
|
|
pass
|
|
};
|
|
};
|
|
const createToReturnMatcher = matcherName =>
|
|
function (received, expected) {
|
|
const expectedArgument = '';
|
|
const options = {
|
|
isNot: this.isNot,
|
|
promise: this.promise
|
|
};
|
|
(0, _jestMatcherUtils.ensureNoExpected)(expected, matcherName, options);
|
|
ensureMock(received, matcherName, expectedArgument, options);
|
|
const receivedName = received.getMockName();
|
|
|
|
// Count return values that correspond only to calls that returned
|
|
const count = received.mock.results.reduce(
|
|
(n, result) => (result.type === 'return' ? n + 1 : n),
|
|
0
|
|
);
|
|
const pass = count > 0;
|
|
const message = pass
|
|
? () =>
|
|
// eslint-disable-next-line prefer-template
|
|
(0, _jestMatcherUtils.matcherHint)(
|
|
matcherName,
|
|
receivedName,
|
|
expectedArgument,
|
|
options
|
|
) +
|
|
'\n\n' +
|
|
`Expected number of returns: ${(0, _jestMatcherUtils.printExpected)(
|
|
0
|
|
)}\n` +
|
|
`Received number of returns: ${(0, _jestMatcherUtils.printReceived)(
|
|
count
|
|
)}\n\n` +
|
|
received.mock.results
|
|
.reduce((lines, result, i) => {
|
|
if (result.type === 'return' && lines.length < PRINT_LIMIT) {
|
|
lines.push(
|
|
`${i + 1}: ${(0, _jestMatcherUtils.printReceived)(
|
|
result.value
|
|
)}`
|
|
);
|
|
}
|
|
return lines;
|
|
}, [])
|
|
.join('\n') +
|
|
(received.mock.calls.length !== count
|
|
? `\n\nReceived number of calls: ${(0,
|
|
_jestMatcherUtils.printReceived)(received.mock.calls.length)}`
|
|
: '')
|
|
: () =>
|
|
// eslint-disable-next-line prefer-template
|
|
(0, _jestMatcherUtils.matcherHint)(
|
|
matcherName,
|
|
receivedName,
|
|
expectedArgument,
|
|
options
|
|
) +
|
|
'\n\n' +
|
|
`Expected number of returns: >= ${(0,
|
|
_jestMatcherUtils.printExpected)(1)}\n` +
|
|
`Received number of returns: ${(0,
|
|
_jestMatcherUtils.printReceived)(count)}` +
|
|
(received.mock.calls.length !== count
|
|
? `\nReceived number of calls: ${(0,
|
|
_jestMatcherUtils.printReceived)(received.mock.calls.length)}`
|
|
: '');
|
|
return {
|
|
message,
|
|
pass
|
|
};
|
|
};
|
|
const createToBeCalledTimesMatcher = matcherName =>
|
|
function (received, expected) {
|
|
const expectedArgument = 'expected';
|
|
const options = {
|
|
isNot: this.isNot,
|
|
promise: this.promise
|
|
};
|
|
(0, _jestMatcherUtils.ensureExpectedIsNonNegativeInteger)(
|
|
expected,
|
|
matcherName,
|
|
options
|
|
);
|
|
ensureMockOrSpy(received, matcherName, expectedArgument, options);
|
|
const receivedIsSpy = isSpy(received);
|
|
const receivedName = receivedIsSpy ? 'spy' : received.getMockName();
|
|
const count = receivedIsSpy
|
|
? received.calls.count()
|
|
: received.mock.calls.length;
|
|
const pass = count === expected;
|
|
const message = pass
|
|
? () =>
|
|
// eslint-disable-next-line prefer-template
|
|
(0, _jestMatcherUtils.matcherHint)(
|
|
matcherName,
|
|
receivedName,
|
|
expectedArgument,
|
|
options
|
|
) +
|
|
'\n\n' +
|
|
`Expected number of calls: not ${(0, _jestMatcherUtils.printExpected)(
|
|
expected
|
|
)}`
|
|
: () =>
|
|
// eslint-disable-next-line prefer-template
|
|
(0, _jestMatcherUtils.matcherHint)(
|
|
matcherName,
|
|
receivedName,
|
|
expectedArgument,
|
|
options
|
|
) +
|
|
'\n\n' +
|
|
`Expected number of calls: ${(0, _jestMatcherUtils.printExpected)(
|
|
expected
|
|
)}\n` +
|
|
`Received number of calls: ${(0, _jestMatcherUtils.printReceived)(
|
|
count
|
|
)}`;
|
|
return {
|
|
message,
|
|
pass
|
|
};
|
|
};
|
|
const createToReturnTimesMatcher = matcherName =>
|
|
function (received, expected) {
|
|
const expectedArgument = 'expected';
|
|
const options = {
|
|
isNot: this.isNot,
|
|
promise: this.promise
|
|
};
|
|
(0, _jestMatcherUtils.ensureExpectedIsNonNegativeInteger)(
|
|
expected,
|
|
matcherName,
|
|
options
|
|
);
|
|
ensureMock(received, matcherName, expectedArgument, options);
|
|
const receivedName = received.getMockName();
|
|
|
|
// Count return values that correspond only to calls that returned
|
|
const count = received.mock.results.reduce(
|
|
(n, result) => (result.type === 'return' ? n + 1 : n),
|
|
0
|
|
);
|
|
const pass = count === expected;
|
|
const message = pass
|
|
? () =>
|
|
// eslint-disable-next-line prefer-template
|
|
(0, _jestMatcherUtils.matcherHint)(
|
|
matcherName,
|
|
receivedName,
|
|
expectedArgument,
|
|
options
|
|
) +
|
|
'\n\n' +
|
|
`Expected number of returns: not ${(0,
|
|
_jestMatcherUtils.printExpected)(expected)}` +
|
|
(received.mock.calls.length !== count
|
|
? `\n\nReceived number of calls: ${(0,
|
|
_jestMatcherUtils.printReceived)(received.mock.calls.length)}`
|
|
: '')
|
|
: () =>
|
|
// eslint-disable-next-line prefer-template
|
|
(0, _jestMatcherUtils.matcherHint)(
|
|
matcherName,
|
|
receivedName,
|
|
expectedArgument,
|
|
options
|
|
) +
|
|
'\n\n' +
|
|
`Expected number of returns: ${(0, _jestMatcherUtils.printExpected)(
|
|
expected
|
|
)}\n` +
|
|
`Received number of returns: ${(0, _jestMatcherUtils.printReceived)(
|
|
count
|
|
)}` +
|
|
(received.mock.calls.length !== count
|
|
? `\nReceived number of calls: ${(0,
|
|
_jestMatcherUtils.printReceived)(received.mock.calls.length)}`
|
|
: '');
|
|
return {
|
|
message,
|
|
pass
|
|
};
|
|
};
|
|
const createToBeCalledWithMatcher = matcherName =>
|
|
function (received, ...expected) {
|
|
const expectedArgument = '...expected';
|
|
const options = {
|
|
isNot: this.isNot,
|
|
promise: this.promise
|
|
};
|
|
ensureMockOrSpy(received, matcherName, expectedArgument, options);
|
|
const receivedIsSpy = isSpy(received);
|
|
const receivedName = receivedIsSpy ? 'spy' : received.getMockName();
|
|
const calls = receivedIsSpy
|
|
? received.calls.all().map(x => x.args)
|
|
: received.mock.calls;
|
|
const pass = calls.some(call => isEqualCall(expected, call));
|
|
const message = pass
|
|
? () => {
|
|
// Some examples of calls that are equal to expected value.
|
|
const indexedCalls = [];
|
|
let i = 0;
|
|
while (i < calls.length && indexedCalls.length < PRINT_LIMIT) {
|
|
if (isEqualCall(expected, calls[i])) {
|
|
indexedCalls.push([i, calls[i]]);
|
|
}
|
|
i += 1;
|
|
}
|
|
return (
|
|
// eslint-disable-next-line prefer-template
|
|
(0, _jestMatcherUtils.matcherHint)(
|
|
matcherName,
|
|
receivedName,
|
|
expectedArgument,
|
|
options
|
|
) +
|
|
'\n\n' +
|
|
`Expected: not ${printExpectedArgs(expected)}\n` +
|
|
(calls.length === 1 &&
|
|
(0, _jestMatcherUtils.stringify)(calls[0]) ===
|
|
(0, _jestMatcherUtils.stringify)(expected)
|
|
? ''
|
|
: printReceivedCallsNegative(
|
|
expected,
|
|
indexedCalls,
|
|
calls.length === 1
|
|
)) +
|
|
`\nNumber of calls: ${(0, _jestMatcherUtils.printReceived)(
|
|
calls.length
|
|
)}`
|
|
);
|
|
}
|
|
: () => {
|
|
// Some examples of calls that are not equal to expected value.
|
|
const indexedCalls = [];
|
|
let i = 0;
|
|
while (i < calls.length && indexedCalls.length < PRINT_LIMIT) {
|
|
indexedCalls.push([i, calls[i]]);
|
|
i += 1;
|
|
}
|
|
return (
|
|
// eslint-disable-next-line prefer-template
|
|
(0, _jestMatcherUtils.matcherHint)(
|
|
matcherName,
|
|
receivedName,
|
|
expectedArgument,
|
|
options
|
|
) +
|
|
'\n\n' +
|
|
printExpectedReceivedCallsPositive(
|
|
expected,
|
|
indexedCalls,
|
|
isExpand(this.expand),
|
|
calls.length === 1
|
|
) +
|
|
`\nNumber of calls: ${(0, _jestMatcherUtils.printReceived)(
|
|
calls.length
|
|
)}`
|
|
);
|
|
};
|
|
return {
|
|
message,
|
|
pass
|
|
};
|
|
};
|
|
const createToReturnWithMatcher = matcherName =>
|
|
function (received, expected) {
|
|
const expectedArgument = 'expected';
|
|
const options = {
|
|
isNot: this.isNot,
|
|
promise: this.promise
|
|
};
|
|
ensureMock(received, matcherName, expectedArgument, options);
|
|
const receivedName = received.getMockName();
|
|
const {calls, results} = received.mock;
|
|
const pass = results.some(result => isEqualReturn(expected, result));
|
|
const message = pass
|
|
? () => {
|
|
// Some examples of results that are equal to expected value.
|
|
const indexedResults = [];
|
|
let i = 0;
|
|
while (i < results.length && indexedResults.length < PRINT_LIMIT) {
|
|
if (isEqualReturn(expected, results[i])) {
|
|
indexedResults.push([i, results[i]]);
|
|
}
|
|
i += 1;
|
|
}
|
|
return (
|
|
// eslint-disable-next-line prefer-template
|
|
(0, _jestMatcherUtils.matcherHint)(
|
|
matcherName,
|
|
receivedName,
|
|
expectedArgument,
|
|
options
|
|
) +
|
|
'\n\n' +
|
|
`Expected: not ${(0, _jestMatcherUtils.printExpected)(
|
|
expected
|
|
)}\n` +
|
|
(results.length === 1 &&
|
|
results[0].type === 'return' &&
|
|
(0, _jestMatcherUtils.stringify)(results[0].value) ===
|
|
(0, _jestMatcherUtils.stringify)(expected)
|
|
? ''
|
|
: printReceivedResults(
|
|
'Received: ',
|
|
expected,
|
|
indexedResults,
|
|
results.length === 1
|
|
)) +
|
|
printNumberOfReturns(countReturns(results), calls.length)
|
|
);
|
|
}
|
|
: () => {
|
|
// Some examples of results that are not equal to expected value.
|
|
const indexedResults = [];
|
|
let i = 0;
|
|
while (i < results.length && indexedResults.length < PRINT_LIMIT) {
|
|
indexedResults.push([i, results[i]]);
|
|
i += 1;
|
|
}
|
|
return (
|
|
// eslint-disable-next-line prefer-template
|
|
(0, _jestMatcherUtils.matcherHint)(
|
|
matcherName,
|
|
receivedName,
|
|
expectedArgument,
|
|
options
|
|
) +
|
|
'\n\n' +
|
|
`Expected: ${(0, _jestMatcherUtils.printExpected)(expected)}\n` +
|
|
printReceivedResults(
|
|
'Received: ',
|
|
expected,
|
|
indexedResults,
|
|
results.length === 1
|
|
) +
|
|
printNumberOfReturns(countReturns(results), calls.length)
|
|
);
|
|
};
|
|
return {
|
|
message,
|
|
pass
|
|
};
|
|
};
|
|
const createLastCalledWithMatcher = matcherName =>
|
|
function (received, ...expected) {
|
|
const expectedArgument = '...expected';
|
|
const options = {
|
|
isNot: this.isNot,
|
|
promise: this.promise
|
|
};
|
|
ensureMockOrSpy(received, matcherName, expectedArgument, options);
|
|
const receivedIsSpy = isSpy(received);
|
|
const receivedName = receivedIsSpy ? 'spy' : received.getMockName();
|
|
const calls = receivedIsSpy
|
|
? received.calls.all().map(x => x.args)
|
|
: received.mock.calls;
|
|
const iLast = calls.length - 1;
|
|
const pass = iLast >= 0 && isEqualCall(expected, calls[iLast]);
|
|
const message = pass
|
|
? () => {
|
|
const indexedCalls = [];
|
|
if (iLast > 0) {
|
|
// Display preceding call as context.
|
|
indexedCalls.push([iLast - 1, calls[iLast - 1]]);
|
|
}
|
|
indexedCalls.push([iLast, calls[iLast]]);
|
|
return (
|
|
// eslint-disable-next-line prefer-template
|
|
(0, _jestMatcherUtils.matcherHint)(
|
|
matcherName,
|
|
receivedName,
|
|
expectedArgument,
|
|
options
|
|
) +
|
|
'\n\n' +
|
|
`Expected: not ${printExpectedArgs(expected)}\n` +
|
|
(calls.length === 1 &&
|
|
(0, _jestMatcherUtils.stringify)(calls[0]) ===
|
|
(0, _jestMatcherUtils.stringify)(expected)
|
|
? ''
|
|
: printReceivedCallsNegative(
|
|
expected,
|
|
indexedCalls,
|
|
calls.length === 1,
|
|
iLast
|
|
)) +
|
|
`\nNumber of calls: ${(0, _jestMatcherUtils.printReceived)(
|
|
calls.length
|
|
)}`
|
|
);
|
|
}
|
|
: () => {
|
|
const indexedCalls = [];
|
|
if (iLast >= 0) {
|
|
if (iLast > 0) {
|
|
let i = iLast - 1;
|
|
// Is there a preceding call that is equal to expected args?
|
|
while (i >= 0 && !isEqualCall(expected, calls[i])) {
|
|
i -= 1;
|
|
}
|
|
if (i < 0) {
|
|
i = iLast - 1; // otherwise, preceding call
|
|
}
|
|
|
|
indexedCalls.push([i, calls[i]]);
|
|
}
|
|
indexedCalls.push([iLast, calls[iLast]]);
|
|
}
|
|
return (
|
|
// eslint-disable-next-line prefer-template
|
|
(0, _jestMatcherUtils.matcherHint)(
|
|
matcherName,
|
|
receivedName,
|
|
expectedArgument,
|
|
options
|
|
) +
|
|
'\n\n' +
|
|
printExpectedReceivedCallsPositive(
|
|
expected,
|
|
indexedCalls,
|
|
isExpand(this.expand),
|
|
calls.length === 1,
|
|
iLast
|
|
) +
|
|
`\nNumber of calls: ${(0, _jestMatcherUtils.printReceived)(
|
|
calls.length
|
|
)}`
|
|
);
|
|
};
|
|
return {
|
|
message,
|
|
pass
|
|
};
|
|
};
|
|
const createLastReturnedMatcher = matcherName =>
|
|
function (received, expected) {
|
|
const expectedArgument = 'expected';
|
|
const options = {
|
|
isNot: this.isNot,
|
|
promise: this.promise
|
|
};
|
|
ensureMock(received, matcherName, expectedArgument, options);
|
|
const receivedName = received.getMockName();
|
|
const {calls, results} = received.mock;
|
|
const iLast = results.length - 1;
|
|
const pass = iLast >= 0 && isEqualReturn(expected, results[iLast]);
|
|
const message = pass
|
|
? () => {
|
|
const indexedResults = [];
|
|
if (iLast > 0) {
|
|
// Display preceding result as context.
|
|
indexedResults.push([iLast - 1, results[iLast - 1]]);
|
|
}
|
|
indexedResults.push([iLast, results[iLast]]);
|
|
return (
|
|
// eslint-disable-next-line prefer-template
|
|
(0, _jestMatcherUtils.matcherHint)(
|
|
matcherName,
|
|
receivedName,
|
|
expectedArgument,
|
|
options
|
|
) +
|
|
'\n\n' +
|
|
`Expected: not ${(0, _jestMatcherUtils.printExpected)(
|
|
expected
|
|
)}\n` +
|
|
(results.length === 1 &&
|
|
results[0].type === 'return' &&
|
|
(0, _jestMatcherUtils.stringify)(results[0].value) ===
|
|
(0, _jestMatcherUtils.stringify)(expected)
|
|
? ''
|
|
: printReceivedResults(
|
|
'Received: ',
|
|
expected,
|
|
indexedResults,
|
|
results.length === 1,
|
|
iLast
|
|
)) +
|
|
printNumberOfReturns(countReturns(results), calls.length)
|
|
);
|
|
}
|
|
: () => {
|
|
const indexedResults = [];
|
|
if (iLast >= 0) {
|
|
if (iLast > 0) {
|
|
let i = iLast - 1;
|
|
// Is there a preceding result that is equal to expected value?
|
|
while (i >= 0 && !isEqualReturn(expected, results[i])) {
|
|
i -= 1;
|
|
}
|
|
if (i < 0) {
|
|
i = iLast - 1; // otherwise, preceding result
|
|
}
|
|
|
|
indexedResults.push([i, results[i]]);
|
|
}
|
|
indexedResults.push([iLast, results[iLast]]);
|
|
}
|
|
return (
|
|
// eslint-disable-next-line prefer-template
|
|
(0, _jestMatcherUtils.matcherHint)(
|
|
matcherName,
|
|
receivedName,
|
|
expectedArgument,
|
|
options
|
|
) +
|
|
'\n\n' +
|
|
`Expected: ${(0, _jestMatcherUtils.printExpected)(expected)}\n` +
|
|
printReceivedResults(
|
|
'Received: ',
|
|
expected,
|
|
indexedResults,
|
|
results.length === 1,
|
|
iLast
|
|
) +
|
|
printNumberOfReturns(countReturns(results), calls.length)
|
|
);
|
|
};
|
|
return {
|
|
message,
|
|
pass
|
|
};
|
|
};
|
|
const createNthCalledWithMatcher = matcherName =>
|
|
function (received, nth, ...expected) {
|
|
const expectedArgument = 'n';
|
|
const options = {
|
|
expectedColor: arg => arg,
|
|
isNot: this.isNot,
|
|
promise: this.promise,
|
|
secondArgument: '...expected'
|
|
};
|
|
ensureMockOrSpy(received, matcherName, expectedArgument, options);
|
|
if (!Number.isSafeInteger(nth) || nth < 1) {
|
|
throw new Error(
|
|
(0, _jestMatcherUtils.matcherErrorMessage)(
|
|
(0, _jestMatcherUtils.matcherHint)(
|
|
matcherName,
|
|
undefined,
|
|
expectedArgument,
|
|
options
|
|
),
|
|
`${expectedArgument} must be a positive integer`,
|
|
(0, _jestMatcherUtils.printWithType)(
|
|
expectedArgument,
|
|
nth,
|
|
_jestMatcherUtils.stringify
|
|
)
|
|
)
|
|
);
|
|
}
|
|
const receivedIsSpy = isSpy(received);
|
|
const receivedName = receivedIsSpy ? 'spy' : received.getMockName();
|
|
const calls = receivedIsSpy
|
|
? received.calls.all().map(x => x.args)
|
|
: received.mock.calls;
|
|
const length = calls.length;
|
|
const iNth = nth - 1;
|
|
const pass = iNth < length && isEqualCall(expected, calls[iNth]);
|
|
const message = pass
|
|
? () => {
|
|
// Display preceding and following calls,
|
|
// in case assertions fails because index is off by one.
|
|
const indexedCalls = [];
|
|
if (iNth - 1 >= 0) {
|
|
indexedCalls.push([iNth - 1, calls[iNth - 1]]);
|
|
}
|
|
indexedCalls.push([iNth, calls[iNth]]);
|
|
if (iNth + 1 < length) {
|
|
indexedCalls.push([iNth + 1, calls[iNth + 1]]);
|
|
}
|
|
return (
|
|
// eslint-disable-next-line prefer-template
|
|
(0, _jestMatcherUtils.matcherHint)(
|
|
matcherName,
|
|
receivedName,
|
|
expectedArgument,
|
|
options
|
|
) +
|
|
'\n\n' +
|
|
`n: ${nth}\n` +
|
|
`Expected: not ${printExpectedArgs(expected)}\n` +
|
|
(calls.length === 1 &&
|
|
(0, _jestMatcherUtils.stringify)(calls[0]) ===
|
|
(0, _jestMatcherUtils.stringify)(expected)
|
|
? ''
|
|
: printReceivedCallsNegative(
|
|
expected,
|
|
indexedCalls,
|
|
calls.length === 1,
|
|
iNth
|
|
)) +
|
|
`\nNumber of calls: ${(0, _jestMatcherUtils.printReceived)(
|
|
calls.length
|
|
)}`
|
|
);
|
|
}
|
|
: () => {
|
|
// Display preceding and following calls:
|
|
// * nearest call that is equal to expected args
|
|
// * otherwise, adjacent call
|
|
// in case assertions fails because of index, especially off by one.
|
|
const indexedCalls = [];
|
|
if (iNth < length) {
|
|
if (iNth - 1 >= 0) {
|
|
let i = iNth - 1;
|
|
// Is there a preceding call that is equal to expected args?
|
|
while (i >= 0 && !isEqualCall(expected, calls[i])) {
|
|
i -= 1;
|
|
}
|
|
if (i < 0) {
|
|
i = iNth - 1; // otherwise, adjacent call
|
|
}
|
|
|
|
indexedCalls.push([i, calls[i]]);
|
|
}
|
|
indexedCalls.push([iNth, calls[iNth]]);
|
|
if (iNth + 1 < length) {
|
|
let i = iNth + 1;
|
|
// Is there a following call that is equal to expected args?
|
|
while (i < length && !isEqualCall(expected, calls[i])) {
|
|
i += 1;
|
|
}
|
|
if (i >= length) {
|
|
i = iNth + 1; // otherwise, adjacent call
|
|
}
|
|
|
|
indexedCalls.push([i, calls[i]]);
|
|
}
|
|
} else if (length > 0) {
|
|
// The number of received calls is fewer than the expected number.
|
|
let i = length - 1;
|
|
// Is there a call that is equal to expected args?
|
|
while (i >= 0 && !isEqualCall(expected, calls[i])) {
|
|
i -= 1;
|
|
}
|
|
if (i < 0) {
|
|
i = length - 1; // otherwise, last call
|
|
}
|
|
|
|
indexedCalls.push([i, calls[i]]);
|
|
}
|
|
return (
|
|
// eslint-disable-next-line prefer-template
|
|
(0, _jestMatcherUtils.matcherHint)(
|
|
matcherName,
|
|
receivedName,
|
|
expectedArgument,
|
|
options
|
|
) +
|
|
'\n\n' +
|
|
`n: ${nth}\n` +
|
|
printExpectedReceivedCallsPositive(
|
|
expected,
|
|
indexedCalls,
|
|
isExpand(this.expand),
|
|
calls.length === 1,
|
|
iNth
|
|
) +
|
|
`\nNumber of calls: ${(0, _jestMatcherUtils.printReceived)(
|
|
calls.length
|
|
)}`
|
|
);
|
|
};
|
|
return {
|
|
message,
|
|
pass
|
|
};
|
|
};
|
|
const createNthReturnedWithMatcher = matcherName =>
|
|
function (received, nth, expected) {
|
|
const expectedArgument = 'n';
|
|
const options = {
|
|
expectedColor: arg => arg,
|
|
isNot: this.isNot,
|
|
promise: this.promise,
|
|
secondArgument: 'expected'
|
|
};
|
|
ensureMock(received, matcherName, expectedArgument, options);
|
|
if (!Number.isSafeInteger(nth) || nth < 1) {
|
|
throw new Error(
|
|
(0, _jestMatcherUtils.matcherErrorMessage)(
|
|
(0, _jestMatcherUtils.matcherHint)(
|
|
matcherName,
|
|
undefined,
|
|
expectedArgument,
|
|
options
|
|
),
|
|
`${expectedArgument} must be a positive integer`,
|
|
(0, _jestMatcherUtils.printWithType)(
|
|
expectedArgument,
|
|
nth,
|
|
_jestMatcherUtils.stringify
|
|
)
|
|
)
|
|
);
|
|
}
|
|
const receivedName = received.getMockName();
|
|
const {calls, results} = received.mock;
|
|
const length = results.length;
|
|
const iNth = nth - 1;
|
|
const pass = iNth < length && isEqualReturn(expected, results[iNth]);
|
|
const message = pass
|
|
? () => {
|
|
// Display preceding and following results,
|
|
// in case assertions fails because index is off by one.
|
|
const indexedResults = [];
|
|
if (iNth - 1 >= 0) {
|
|
indexedResults.push([iNth - 1, results[iNth - 1]]);
|
|
}
|
|
indexedResults.push([iNth, results[iNth]]);
|
|
if (iNth + 1 < length) {
|
|
indexedResults.push([iNth + 1, results[iNth + 1]]);
|
|
}
|
|
return (
|
|
// eslint-disable-next-line prefer-template
|
|
(0, _jestMatcherUtils.matcherHint)(
|
|
matcherName,
|
|
receivedName,
|
|
expectedArgument,
|
|
options
|
|
) +
|
|
'\n\n' +
|
|
`n: ${nth}\n` +
|
|
`Expected: not ${(0, _jestMatcherUtils.printExpected)(
|
|
expected
|
|
)}\n` +
|
|
(results.length === 1 &&
|
|
results[0].type === 'return' &&
|
|
(0, _jestMatcherUtils.stringify)(results[0].value) ===
|
|
(0, _jestMatcherUtils.stringify)(expected)
|
|
? ''
|
|
: printReceivedResults(
|
|
'Received: ',
|
|
expected,
|
|
indexedResults,
|
|
results.length === 1,
|
|
iNth
|
|
)) +
|
|
printNumberOfReturns(countReturns(results), calls.length)
|
|
);
|
|
}
|
|
: () => {
|
|
// Display preceding and following results:
|
|
// * nearest result that is equal to expected value
|
|
// * otherwise, adjacent result
|
|
// in case assertions fails because of index, especially off by one.
|
|
const indexedResults = [];
|
|
if (iNth < length) {
|
|
if (iNth - 1 >= 0) {
|
|
let i = iNth - 1;
|
|
// Is there a preceding result that is equal to expected value?
|
|
while (i >= 0 && !isEqualReturn(expected, results[i])) {
|
|
i -= 1;
|
|
}
|
|
if (i < 0) {
|
|
i = iNth - 1; // otherwise, adjacent result
|
|
}
|
|
|
|
indexedResults.push([i, results[i]]);
|
|
}
|
|
indexedResults.push([iNth, results[iNth]]);
|
|
if (iNth + 1 < length) {
|
|
let i = iNth + 1;
|
|
// Is there a following result that is equal to expected value?
|
|
while (i < length && !isEqualReturn(expected, results[i])) {
|
|
i += 1;
|
|
}
|
|
if (i >= length) {
|
|
i = iNth + 1; // otherwise, adjacent result
|
|
}
|
|
|
|
indexedResults.push([i, results[i]]);
|
|
}
|
|
} else if (length > 0) {
|
|
// The number of received calls is fewer than the expected number.
|
|
let i = length - 1;
|
|
// Is there a result that is equal to expected value?
|
|
while (i >= 0 && !isEqualReturn(expected, results[i])) {
|
|
i -= 1;
|
|
}
|
|
if (i < 0) {
|
|
i = length - 1; // otherwise, last result
|
|
}
|
|
|
|
indexedResults.push([i, results[i]]);
|
|
}
|
|
return (
|
|
// eslint-disable-next-line prefer-template
|
|
(0, _jestMatcherUtils.matcherHint)(
|
|
matcherName,
|
|
receivedName,
|
|
expectedArgument,
|
|
options
|
|
) +
|
|
'\n\n' +
|
|
`n: ${nth}\n` +
|
|
`Expected: ${(0, _jestMatcherUtils.printExpected)(expected)}\n` +
|
|
printReceivedResults(
|
|
'Received: ',
|
|
expected,
|
|
indexedResults,
|
|
results.length === 1,
|
|
iNth
|
|
) +
|
|
printNumberOfReturns(countReturns(results), calls.length)
|
|
);
|
|
};
|
|
return {
|
|
message,
|
|
pass
|
|
};
|
|
};
|
|
const spyMatchers = {
|
|
lastCalledWith: createLastCalledWithMatcher('lastCalledWith'),
|
|
lastReturnedWith: createLastReturnedMatcher('lastReturnedWith'),
|
|
nthCalledWith: createNthCalledWithMatcher('nthCalledWith'),
|
|
nthReturnedWith: createNthReturnedWithMatcher('nthReturnedWith'),
|
|
toBeCalled: createToBeCalledMatcher('toBeCalled'),
|
|
toBeCalledTimes: createToBeCalledTimesMatcher('toBeCalledTimes'),
|
|
toBeCalledWith: createToBeCalledWithMatcher('toBeCalledWith'),
|
|
toHaveBeenCalled: createToBeCalledMatcher('toHaveBeenCalled'),
|
|
toHaveBeenCalledTimes: createToBeCalledTimesMatcher('toHaveBeenCalledTimes'),
|
|
toHaveBeenCalledWith: createToBeCalledWithMatcher('toHaveBeenCalledWith'),
|
|
toHaveBeenLastCalledWith: createLastCalledWithMatcher(
|
|
'toHaveBeenLastCalledWith'
|
|
),
|
|
toHaveBeenNthCalledWith: createNthCalledWithMatcher(
|
|
'toHaveBeenNthCalledWith'
|
|
),
|
|
toHaveLastReturnedWith: createLastReturnedMatcher('toHaveLastReturnedWith'),
|
|
toHaveNthReturnedWith: createNthReturnedWithMatcher('toHaveNthReturnedWith'),
|
|
toHaveReturned: createToReturnMatcher('toHaveReturned'),
|
|
toHaveReturnedTimes: createToReturnTimesMatcher('toHaveReturnedTimes'),
|
|
toHaveReturnedWith: createToReturnWithMatcher('toHaveReturnedWith'),
|
|
toReturn: createToReturnMatcher('toReturn'),
|
|
toReturnTimes: createToReturnTimesMatcher('toReturnTimes'),
|
|
toReturnWith: createToReturnWithMatcher('toReturnWith')
|
|
};
|
|
const isMock = received =>
|
|
received != null && received._isMockFunction === true;
|
|
const isSpy = received =>
|
|
received != null &&
|
|
received.calls != null &&
|
|
typeof received.calls.all === 'function' &&
|
|
typeof received.calls.count === 'function';
|
|
const ensureMockOrSpy = (received, matcherName, expectedArgument, options) => {
|
|
if (!isMock(received) && !isSpy(received)) {
|
|
throw new Error(
|
|
(0, _jestMatcherUtils.matcherErrorMessage)(
|
|
(0, _jestMatcherUtils.matcherHint)(
|
|
matcherName,
|
|
undefined,
|
|
expectedArgument,
|
|
options
|
|
),
|
|
`${(0, _jestMatcherUtils.RECEIVED_COLOR)(
|
|
'received'
|
|
)} value must be a mock or spy function`,
|
|
(0, _jestMatcherUtils.printWithType)(
|
|
'Received',
|
|
received,
|
|
_jestMatcherUtils.printReceived
|
|
)
|
|
)
|
|
);
|
|
}
|
|
};
|
|
const ensureMock = (received, matcherName, expectedArgument, options) => {
|
|
if (!isMock(received)) {
|
|
throw new Error(
|
|
(0, _jestMatcherUtils.matcherErrorMessage)(
|
|
(0, _jestMatcherUtils.matcherHint)(
|
|
matcherName,
|
|
undefined,
|
|
expectedArgument,
|
|
options
|
|
),
|
|
`${(0, _jestMatcherUtils.RECEIVED_COLOR)(
|
|
'received'
|
|
)} value must be a mock function`,
|
|
(0, _jestMatcherUtils.printWithType)(
|
|
'Received',
|
|
received,
|
|
_jestMatcherUtils.printReceived
|
|
)
|
|
)
|
|
);
|
|
}
|
|
};
|
|
var _default = spyMatchers;
|
|
exports.default = _default;
|