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Diffstat (limited to 'packages/typescript-typings/types/chai/index.d.ts')
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diff --git a/packages/typescript-typings/types/chai/index.d.ts b/packages/typescript-typings/types/chai/index.d.ts new file mode 100644 index 000000000..3bde1f27c --- /dev/null +++ b/packages/typescript-typings/types/chai/index.d.ts @@ -0,0 +1,1257 @@ +// Type definitions for chai 4.0.0 +// Project: http://chaijs.com/ +// Definitions by: Jed Mao <https://github.com/jedmao/>, +// Bart van der Schoor <https://github.com/Bartvds>, +// Andrew Brown <https://github.com/AGBrown>, +// Olivier Chevet <https://github.com/olivr70>, +// Matt Wistrand <https://github.com/mwistrand>, +// Josh Goldberg <https://github.com/joshuakgoldberg> +// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped + +// <reference types="assertion-error"/> + +// tslint:disable:no-namespace member-ordering ban-types unified-signatures variable-name callable-types +declare namespace Chai { + interface ChaiStatic { + expect: ExpectStatic; + should(): Should; + /** + * Provides a way to extend the internals of Chai + */ + use(fn: (chai: any, utils: any) => void): ChaiStatic; + assert: AssertStatic; + config: Config; + AssertionError: typeof AssertionError; + version: string; + } + + export interface ExpectStatic extends AssertionStatic { + fail(actual?: any, expected?: any, message?: string, operator?: Operator): void; + } + + export interface AssertStatic extends Assert {} + + type AssertionStatic = (target: any, message?: string) => Assertion; + + export type Operator = string; // "==" | "===" | ">" | ">=" | "<" | "<=" | "!=" | "!=="; + + export type OperatorComparable = boolean | null | number | string | undefined | Date; + + interface ShouldAssertion { + equal(value1: any, value2: any, message?: string): void; + Throw: ShouldThrow; + throw: ShouldThrow; + exist(value: any, message?: string): void; + } + + interface Should extends ShouldAssertion { + not: ShouldAssertion; + fail(actual: any, expected: any, message?: string, operator?: Operator): void; + } + + interface ShouldThrow { + (actual: Function): void; + (actual: Function, expected: string | RegExp, message?: string): void; + (actual: Function, constructor: Error | Function, expected?: string | RegExp, message?: string): void; + } + + interface Assertion extends LanguageChains, NumericComparison, TypeComparison { + not: Assertion; + deep: Deep; + nested: Nested; + any: KeyFilter; + all: KeyFilter; + a: TypeComparison; + an: TypeComparison; + include: Include; + includes: Include; + contain: Include; + contains: Include; + ok: Assertion; + true: () => Assertion; + false: () => Assertion; + null: () => Assertion; + undefined: () => Assertion; + NaN: Assertion; + exist: Assertion; + empty: Assertion; + arguments: Assertion; + Arguments: Assertion; + equal: Equal; + equals: Equal; + eq: Equal; + eql: Equal; + eqls: Equal; + property: Property; + ownProperty: OwnProperty; + haveOwnProperty: OwnProperty; + ownPropertyDescriptor: OwnPropertyDescriptor; + haveOwnPropertyDescriptor: OwnPropertyDescriptor; + length: Length; + lengthOf: Length; + match: Match; + matches: Match; + string(string: string, message?: string): Assertion; + keys: Keys; + key(string: string): Assertion; + throw: (message?: string) => Assertion; + throws: Throw; + Throw: Throw; + respondTo: RespondTo; + respondsTo: RespondTo; + itself: Assertion; + satisfy: Satisfy; + satisfies: Satisfy; + closeTo: CloseTo; + approximately: CloseTo; + members: Members; + increase: PropertyChange; + increases: PropertyChange; + decrease: PropertyChange; + decreases: PropertyChange; + change: PropertyChange; + changes: PropertyChange; + extensible: Assertion; + sealed: Assertion; + frozen: Assertion; + bignumber: Assertion; + // HACK: In order to comply with chai-as-promised we make eventually a `PromisedAssertion` not an `Assertion` + eventually: PromisedAssertion; + oneOf(list: any[], message?: string): Assertion; + } + + interface LanguageChains { + to: Assertion; + be: Assertion; + been: Assertion; + is: Assertion; + that: Assertion; + which: Assertion; + and: Assertion; + has: Assertion; + have: Assertion; + with: Assertion; + at: Assertion; + of: Assertion; + same: Assertion; + } + + interface NumericComparison { + above: NumberComparer; + gt: NumberComparer; + greaterThan: NumberComparer; + least: NumberComparer; + gte: NumberComparer; + below: NumberComparer; + lt: NumberComparer; + lessThan: NumberComparer; + most: NumberComparer; + lte: NumberComparer; + within(start: number, finish: number, message?: string): Assertion; + } + + interface NumberComparer { + (value: number | object, message?: string): Assertion; + } + + interface TypeComparison { + (type: string, message?: string): Assertion; + instanceof: InstanceOf; + instanceOf: InstanceOf; + } + + interface InstanceOf { + (constructor: Object, message?: string): Assertion; + } + + interface CloseTo { + (expected: number, delta: number, message?: string): Assertion; + } + + interface Nested { + include: Include; + property: Property; + members: Members; + } + + interface Deep { + equal: Equal; + equals: Equal; + eq: Equal; + include: Include; + property: Property; + members: Members; + } + + interface KeyFilter { + keys: Keys; + } + + interface Equal { + (value: any, message?: string): Assertion; + } + + interface Property { + (name: string, value?: any, message?: string): Assertion; + } + + interface OwnProperty { + (name: string, message?: string): Assertion; + } + + interface OwnPropertyDescriptor { + (name: string, descriptor: PropertyDescriptor, message?: string): Assertion; + (name: string, message?: string): Assertion; + } + + interface Length extends LanguageChains, NumericComparison { + (length: number, message?: string): Assertion; + } + + interface Include { + (value: Object | string | number, message?: string): Assertion; + keys: Keys; + members: Members; + any: KeyFilter; + all: KeyFilter; + } + + interface Match { + (regexp: RegExp | string, message?: string): Assertion; + } + + interface Keys { + (...keys: string[]): Assertion; + (keys: any[]): Assertion; + (keys: Object): Assertion; + } + + interface Throw { + (): Assertion; + (expected: string, message?: string): Assertion; + (expected: RegExp, message?: string): Assertion; + (constructor: Error, expected?: string, message?: string): Assertion; + (constructor: Error, expected?: RegExp, message?: string): Assertion; + (constructor: Function, expected?: string, message?: string): Assertion; + (constructor: Function, expected?: RegExp, message?: string): Assertion; + } + + interface RespondTo { + (method: string, message?: string): Assertion; + } + + interface Satisfy { + (matcher: Function, message?: string): Assertion; + } + + interface Members { + (set: any[], message?: string): Assertion; + } + + interface PropertyChange { + (object: Object, property: string, message?: string): Assertion; + } + + export interface Assert { + /** + * @param expression Expression to test for truthiness. + * @param message Message to display on error. + */ + (expression: any, message?: string): void; + + /** + * Throws a failure. + * + * @type T Type of the objects. + * @param actual Actual value. + * @param expected Potential expected value. + * @param message Message to display on error. + * @param operator Comparison operator, if not strict equality. + * @remarks Node.js assert module-compatible. + */ + fail<T>(actual?: T, expected?: T, message?: string, operator?: Operator): void; + + /** + * Asserts that object is truthy. + * + * @type T Type of object. + * @param object Object to test. + * @param message Message to display on error. + */ + isOk<T>(value: T, message?: string): void; + + /** + * Asserts that object is truthy. + * + * @type T Type of object. + * @param object Object to test. + * @param message Message to display on error. + */ + ok<T>(value: T, message?: string): void; + + /** + * Asserts that object is falsy. + * + * @type T Type of object. + * @param object Object to test. + * @param message Message to display on error. + */ + isNotOk<T>(value: T, message?: string): void; + + /** + * Asserts that object is falsy. + * + * @type T Type of object. + * @param object Object to test. + * @param message Message to display on error. + */ + notOk<T>(value: T, message?: string): void; + + /** + * Asserts non-strict equality (==) of actual and expected. + * + * @type T Type of the objects. + * @param actual Actual value. + * @param expected Potential expected value. + * @param message Message to display on error. + */ + equal<T>(actual: T, expected: T, message?: string): void; + + /** + * Asserts non-strict inequality (==) of actual and expected. + * + * @type T Type of the objects. + * @param actual Actual value. + * @param expected Potential expected value. + * @param message Message to display on error. + */ + notEqual<T>(actual: T, expected: T, message?: string): void; + + /** + * Asserts strict equality (===) of actual and expected. + * + * @type T Type of the objects. + * @param actual Actual value. + * @param expected Potential expected value. + * @param message Message to display on error. + */ + strictEqual<T>(actual: T, expected: T, message?: string): void; + + /** + * Asserts strict inequality (==) of actual and expected. + * + * @type T Type of the objects. + * @param actual Actual value. + * @param expected Potential expected value. + * @param message Message to display on error. + */ + notStrictEqual<T>(actual: T, expected: T, message?: string): void; + + /** + * Asserts that actual is deeply equal to expected. + * + * @type T Type of the objects. + * @param actual Actual value. + * @param expected Potential expected value. + * @param message Message to display on error. + */ + deepEqual<T>(actual: T, expected: T, message?: string): void; + + /** + * Asserts that actual is not deeply equal to expected. + * + * @type T Type of the objects. + * @param actual Actual value. + * @param expected Potential expected value. + * @param message Message to display on error. + */ + notDeepEqual<T>(actual: T, expected: T, message?: string): void; + + /** + * Asserts valueToCheck is strictly greater than (>) valueToBeAbove. + * + * @param valueToCheck Actual value. + * @param valueToBeAbove Minimum Potential expected value. + * @param message Message to display on error. + */ + isAbove(valueToCheck: number, valueToBeAbove: number, message?: string): void; + + /** + * Asserts valueToCheck is greater than or equal to (>=) valueToBeAtLeast. + * + * @param valueToCheck Actual value. + * @param valueToBeAtLeast Minimum Potential expected value. + * @param message Message to display on error. + */ + isAtLeast(valueToCheck: number, valueToBeAtLeast: number, message?: string): void; + + /** + * Asserts valueToCheck is strictly less than (<) valueToBeBelow. + * + * @param valueToCheck Actual value. + * @param valueToBeBelow Minimum Potential expected value. + * @param message Message to display on error. + */ + isBelow(valueToCheck: number, valueToBeBelow: number, message?: string): void; + + /** + * Asserts valueToCheck is greater than or equal to (>=) valueToBeAtMost. + * + * @param valueToCheck Actual value. + * @param valueToBeAtMost Minimum Potential expected value. + * @param message Message to display on error. + */ + isAtMost(valueToCheck: number, valueToBeAtMost: number, message?: string): void; + + /** + * Asserts that value is true. + * + * @type T Type of value. + * @param value Actual value. + * @param message Message to display on error. + */ + isTrue<T>(value: T, message?: string): void; + + /** + * Asserts that value is false. + * + * @type T Type of value. + * @param value Actual value. + * @param message Message to display on error. + */ + isFalse<T>(value: T, message?: string): void; + + /** + * Asserts that value is not true. + * + * @type T Type of value. + * @param value Actual value. + * @param message Message to display on error. + */ + isNotTrue<T>(value: T, message?: string): void; + + /** + * Asserts that value is not false. + * + * @type T Type of value. + * @param value Actual value. + * @param message Message to display on error. + */ + isNotFalse<T>(value: T, message?: string): void; + + /** + * Asserts that value is null. + * + * @type T Type of value. + * @param value Actual value. + * @param message Message to display on error. + */ + isNull<T>(value: T, message?: string): void; + + /** + * Asserts that value is not null. + * + * @type T Type of value. + * @param value Actual value. + * @param message Message to display on error. + */ + isNotNull<T>(value: T, message?: string): void; + + /** + * Asserts that value is not null. + * + * @type T Type of value. + * @param value Actual value. + * @param message Message to display on error. + */ + isNaN<T>(value: T, message?: string): void; + + /** + * Asserts that value is not null. + * + * @type T Type of value. + * @param value Actual value. + * @param message Message to display on error. + */ + isNotNaN<T>(value: T, message?: string): void; + + /** + * Asserts that value is undefined. + * + * @type T Type of value. + * @param value Actual value. + * @param message Message to display on error. + */ + isUndefined<T>(value: T, message?: string): void; + + /** + * Asserts that value is not undefined. + * + * @type T Type of value. + * @param value Actual value. + * @param message Message to display on error. + */ + isDefined<T>(value: T, message?: string): void; + + /** + * Asserts that value is a function. + * + * @type T Type of value. + * @param value Actual value. + * @param message Message to display on error. + */ + isFunction<T>(value: T, message?: string): void; + + /** + * Asserts that value is not a function. + * + * @type T Type of value. + * @param value Actual value. + * @param message Message to display on error. + */ + isNotFunction<T>(value: T, message?: string): void; + + /** + * Asserts that value is an object of type 'Object' + * (as revealed by Object.prototype.toString). + * + * @type T Type of value. + * @param value Actual value. + * @param message Message to display on error. + * @remarks The assertion does not match subclassed objects. + */ + isObject<T>(value: T, message?: string): void; + + /** + * Asserts that value is not an object of type 'Object' + * (as revealed by Object.prototype.toString). + * + * @type T Type of value. + * @param value Actual value. + * @param message Message to display on error. + */ + isNotObject<T>(value: T, message?: string): void; + + /** + * Asserts that value is an array. + * + * @type T Type of value. + * @param value Actual value. + * @param message Message to display on error. + */ + isArray<T>(value: T, message?: string): void; + + /** + * Asserts that value is not an array. + * + * @type T Type of value. + * @param value Actual value. + * @param message Message to display on error. + */ + isNotArray<T>(value: T, message?: string): void; + + /** + * Asserts that value is a string. + * + * @type T Type of value. + * @param value Actual value. + * @param message Message to display on error. + */ + isString<T>(value: T, message?: string): void; + + /** + * Asserts that value is not a string. + * + * @type T Type of value. + * @param value Actual value. + * @param message Message to display on error. + */ + isNotString<T>(value: T, message?: string): void; + + /** + * Asserts that value is a number. + * + * @type T Type of value. + * @param value Actual value. + * @param message Message to display on error. + */ + isNumber<T>(value: T, message?: string): void; + + /** + * Asserts that value is not a number. + * + * @type T Type of value. + * @param value Actual value. + * @param message Message to display on error. + */ + isNotNumber<T>(value: T, message?: string): void; + + /** + * Asserts that value is a boolean. + * + * @type T Type of value. + * @param value Actual value. + * @param message Message to display on error. + */ + isBoolean<T>(value: T, message?: string): void; + + /** + * Asserts that value is not a boolean. + * + * @type T Type of value. + * @param value Actual value. + * @param message Message to display on error. + */ + isNotBoolean<T>(value: T, message?: string): void; + + /** + * Asserts that value's type is name, as determined by Object.prototype.toString. + * + * @type T Type of value. + * @param value Actual value. + * @param name Potential expected type name of value. + * @param message Message to display on error. + */ + typeOf<T>(value: T, name: string, message?: string): void; + + /** + * Asserts that value's type is not name, as determined by Object.prototype.toString. + * + * @type T Type of value. + * @param value Actual value. + * @param name Potential expected type name of value. + * @param message Message to display on error. + */ + notTypeOf<T>(value: T, name: string, message?: string): void; + + /** + * Asserts that value is an instance of constructor. + * + * @type T Type of value. + * @param value Actual value. + * @param constructor Potential expected contructor of value. + * @param message Message to display on error. + */ + instanceOf<T>(value: T, constructor: Function, message?: string): void; + + /** + * Asserts that value is not an instance of constructor. + * + * @type T Type of value. + * @param value Actual value. + * @param constructor Potential expected contructor of value. + * @param message Message to display on error. + */ + notInstanceOf<T>(value: T, type: Function, message?: string): void; + + /** + * Asserts that haystack includes needle. + * + * @param haystack Container string. + * @param needle Potential expected substring of haystack. + * @param message Message to display on error. + */ + include(haystack: string, needle: string, message?: string): void; + + /** + * Asserts that haystack includes needle. + * + * @type T Type of values in haystack. + * @param haystack Container array. + * @param needle Potential value contained in haystack. + * @param message Message to display on error. + */ + include<T>(haystack: T[], needle: T, message?: string): void; + + /** + * Asserts that haystack does not include needle. + * + * @param haystack Container string. + * @param needle Potential expected substring of haystack. + * @param message Message to display on error. + */ + notInclude(haystack: string, needle: any, message?: string): void; + + /** + * Asserts that haystack does not include needle. + * + * @type T Type of values in haystack. + * @param haystack Container array. + * @param needle Potential value contained in haystack. + * @param message Message to display on error. + */ + notInclude(haystack: any[], needle: any, message?: string): void; + + /** + * Asserts that value matches the regular expression regexp. + * + * @param value Actual value. + * @param regexp Potential match of value. + * @param message Message to display on error. + */ + match(value: string, regexp: RegExp, message?: string): void; + + /** + * Asserts that value does not match the regular expression regexp. + * + * @param value Actual value. + * @param regexp Potential match of value. + * @param message Message to display on error. + */ + notMatch(expected: any, regexp: RegExp, message?: string): void; + + /** + * Asserts that object has a property named by property. + * + * @type T Type of object. + * @param object Container object. + * @param property Potential contained property of object. + * @param message Message to display on error. + */ + property<T>(object: T, property: string /* keyof T */, message?: string): void; + + /** + * Asserts that object has a property named by property. + * + * @type T Type of object. + * @param object Container object. + * @param property Potential contained property of object. + * @param message Message to display on error. + */ + notProperty<T>(object: T, property: string /* keyof T */, message?: string): void; + + /** + * Asserts that object has a property named by property, which can be a string + * using dot- and bracket-notation for deep reference. + * + * @type T Type of object. + * @param object Container object. + * @param property Potential contained property of object. + * @param message Message to display on error. + */ + deepProperty<T>(object: T, property: string, message?: string): void; + + /** + * Asserts that object does not have a property named by property, which can be a + * string using dot- and bracket-notation for deep reference. + * + * @type T Type of object. + * @param object Container object. + * @param property Potential contained property of object. + * @param message Message to display on error. + */ + notDeepProperty<T>(object: T, property: string, message?: string): void; + + /** + * Asserts that object has a property named by property with value given by value. + * + * @type T Type of object. + * @type V Type of value. + * @param object Container object. + * @param property Potential contained property of object. + * @param value Potential expected property value. + * @param message Message to display on error. + */ + propertyVal<T, V>(object: T, property: string /* keyof T */, value: V, message?: string): void; + + /** + * Asserts that object has a property named by property with value given by value. + * + * @type T Type of object. + * @type V Type of value. + * @param object Container object. + * @param property Potential contained property of object. + * @param value Potential expected property value. + * @param message Message to display on error. + */ + propertyNotVal<T, V>(object: T, property: string /* keyof T */, value: V, message?: string): void; + + /** + * Asserts that object has a property named by property, which can be a string + * using dot- and bracket-notation for deep reference. + * + * @type T Type of object. + * @type V Type of value. + * @param object Container object. + * @param property Potential contained property of object. + * @param value Potential expected property value. + * @param message Message to display on error. + */ + deepPropertyVal<T, V>(object: T, property: string, value: V, message?: string): void; + + /** + * Asserts that object does not have a property named by property, which can be a + * string using dot- and bracket-notation for deep reference. + * + * @type T Type of object. + * @type V Type of value. + * @param object Container object. + * @param property Potential contained property of object. + * @param value Potential expected property value. + * @param message Message to display on error. + */ + deepPropertyNotVal<T, V>(object: T, property: string, value: V, message?: string): void; + + /** + * Asserts that object has a length property with the expected value. + * + * @type T Type of object. + * @param object Container object. + * @param length Potential expected length of object. + * @param message Message to display on error. + */ + lengthOf<T extends { readonly length?: number }>(object: T, length: number, message?: string): void; + + /** + * Asserts that fn will throw an error. + * + * @param fn Function that may throw. + * @param message Message to display on error. + */ + throw(fn: Function, message?: string): void; + + /** + * Asserts that function will throw an error with message matching regexp. + * + * @param fn Function that may throw. + * @param regExp Potential expected message match. + * @param message Message to display on error. + */ + throw(fn: Function, regExp: RegExp): void; + + /** + * Asserts that function will throw an error that is an instance of constructor. + * + * @param fn Function that may throw. + * @param constructor Potential expected error constructor. + * @param message Message to display on error. + */ + throw(fn: Function, constructor: Function, message?: string): void; + + /** + * Asserts that function will throw an error that is an instance of constructor + * and an error with message matching regexp. + * + * @param fn Function that may throw. + * @param constructor Potential expected error constructor. + * @param message Message to display on error. + */ + throw(fn: Function, constructor: Function, regExp: RegExp): void; + + /** + * Asserts that fn will throw an error. + * + * @param fn Function that may throw. + * @param message Message to display on error. + */ + throws(fn: Function, message?: string): void; + + /** + * Asserts that function will throw an error with message matching regexp. + * + * @param fn Function that may throw. + * @param regExp Potential expected message match. + * @param message Message to display on error. + */ + throws(fn: Function, regExp: RegExp, message?: string): void; + + /** + * Asserts that function will throw an error that is an instance of constructor. + * + * @param fn Function that may throw. + * @param constructor Potential expected error constructor. + * @param message Message to display on error. + */ + throws(fn: Function, errType: Function, message?: string): void; + + /** + * Asserts that function will throw an error that is an instance of constructor + * and an error with message matching regexp. + * + * @param fn Function that may throw. + * @param constructor Potential expected error constructor. + * @param message Message to display on error. + */ + throws(fn: Function, errType: Function, regExp: RegExp): void; + + /** + * Asserts that fn will throw an error. + * + * @param fn Function that may throw. + * @param message Message to display on error. + */ + Throw(fn: Function, message?: string): void; + + /** + * Asserts that function will throw an error with message matching regexp. + * + * @param fn Function that may throw. + * @param regExp Potential expected message match. + * @param message Message to display on error. + */ + Throw(fn: Function, regExp: RegExp): void; + + /** + * Asserts that function will throw an error that is an instance of constructor. + * + * @param fn Function that may throw. + * @param constructor Potential expected error constructor. + * @param message Message to display on error. + */ + Throw(fn: Function, errType: Function, message?: string): void; + + /** + * Asserts that function will throw an error that is an instance of constructor + * and an error with message matching regexp. + * + * @param fn Function that may throw. + * @param constructor Potential expected error constructor. + * @param message Message to display on error. + */ + Throw(fn: Function, errType: Function, regExp: RegExp): void; + + /** + * Asserts that fn will not throw an error. + * + * @param fn Function that may throw. + * @param message Message to display on error. + */ + doesNotThrow(fn: Function, message?: string): void; + + /** + * Asserts that function will throw an error with message matching regexp. + * + * @param fn Function that may throw. + * @param regExp Potential expected message match. + * @param message Message to display on error. + */ + doesNotThrow(fn: Function, regExp: RegExp): void; + + /** + * Asserts that function will throw an error that is an instance of constructor. + * + * @param fn Function that may throw. + * @param constructor Potential expected error constructor. + * @param message Message to display on error. + */ + doesNotThrow(fn: Function, errType: Function, message?: string): void; + + /** + * Asserts that function will throw an error that is an instance of constructor + * and an error with message matching regexp. + * + * @param fn Function that may throw. + * @param constructor Potential expected error constructor. + * @param message Message to display on error. + */ + doesNotThrow(fn: Function, errType: Function, regExp: RegExp): void; + + /** + * Compares two values using operator. + * + * @param val1 Left value during comparison. + * @param operator Comparison operator. + * @param val2 Right value during comparison. + * @param message Message to display on error. + */ + operator(val1: OperatorComparable, operator: Operator, val2: OperatorComparable, message?: string): void; + + /** + * Asserts that the target is equal to expected, to within a +/- delta range. + * + * @param actual Actual value + * @param expected Potential expected value. + * @param delta Maximum differenced between values. + * @param message Message to display on error. + */ + closeTo(actual: number, expected: number, delta: number, message?: string): void; + + /** + * Asserts that the target is equal to expected, to within a +/- delta range. + * + * @param actual Actual value + * @param expected Potential expected value. + * @param delta Maximum differenced between values. + * @param message Message to display on error. + */ + approximately(act: number, exp: number, delta: number, message?: string): void; + + /** + * Asserts that set1 and set2 have the same members. Order is not take into account. + * + * @type T Type of set values. + * @param set1 Actual set of values. + * @param set2 Potential expected set of values. + * @param message Message to display on error. + */ + sameMembers<T>(set1: T[], set2: T[], message?: string): void; + + /** + * Asserts that set1 and set2 have the same members using deep equality checking. + * Order is not take into account. + * + * @type T Type of set values. + * @param set1 Actual set of values. + * @param set2 Potential expected set of values. + * @param message Message to display on error. + */ + sameDeepMembers<T>(set1: T[], set2: T[], message?: string): void; + + /** + * Asserts that subset is included in superset. Order is not take into account. + * + * @type T Type of set values. + * @param superset Actual set of values. + * @param subset Potential contained set of values. + * @param message Message to display on error. + */ + includeMembers<T>(superset: T[], subset: T[], message?: string): void; + + /** + * Asserts that subset is included in superset using deep equality checking. + * Order is not take into account. + * + * @type T Type of set values. + * @param superset Actual set of values. + * @param subset Potential contained set of values. + * @param message Message to display on error. + */ + includeDeepMembers<T>(superset: T[], subset: T[], message?: string): void; + + /** + * Asserts that non-object, non-array value inList appears in the flat array list. + * + * @type T Type of list values. + * @param inList Value expected to be in the list. + * @param list List of values. + * @param message Message to display on error. + */ + oneOf<T>(inList: T, list: T[], message?: string): void; + + /** + * Asserts that a function changes the value of a property. + * + * @type T Type of object. + * @param modifier Function to run. + * @param object Container object. + * @param property Property of object expected to be modified. + * @param message Message to display on error. + */ + changes<T>(modifier: Function, object: T, property: string /* keyof T */, message?: string): void; + + /** + * Asserts that a function does not change the value of a property. + * + * @type T Type of object. + * @param modifier Function to run. + * @param object Container object. + * @param property Property of object expected not to be modified. + * @param message Message to display on error. + */ + doesNotChange<T>(modifier: Function, object: T, property: string /* keyof T */, message?: string): void; + + /** + * Asserts that a function increases an object property. + * + * @type T Type of object. + * @param modifier Function to run. + * @param object Container object. + * @param property Property of object expected to be increased. + * @param message Message to display on error. + */ + increases<T>(modifier: Function, object: T, property: string /* keyof T */, message?: string): void; + + /** + * Asserts that a function does not increase an object property. + * + * @type T Type of object. + * @param modifier Function to run. + * @param object Container object. + * @param property Property of object expected not to be increased. + * @param message Message to display on error. + */ + doesNotIncrease<T>(modifier: Function, object: T, property: string /* keyof T */, message?: string): void; + + /** + * Asserts that a function decreases an object property. + * + * @type T Type of object. + * @param modifier Function to run. + * @param object Container object. + * @param property Property of object expected to be decreased. + * @param message Message to display on error. + */ + decreases<T>(modifier: Function, object: T, property: string /* keyof T */, message?: string): void; + + /** + * Asserts that a function does not decrease an object property. + * + * @type T Type of object. + * @param modifier Function to run. + * @param object Container object. + * @param property Property of object expected not to be decreased. + * @param message Message to display on error. + */ + doesNotDecrease<T>(modifier: Function, object: T, property: string /* keyof T */, message?: string): void; + + /** + * Asserts if value is not a false value, and throws if it is a true value. + * + * @type T Type of object. + * @param object Actual value. + * @param message Message to display on error. + * @remarks This is added to allow for chai to be a drop-in replacement for + * Node’s assert class. + */ + ifError<T>(object: T, message?: string): void; + + /** + * Asserts that object is extensible (can have new properties added to it). + * + * @type T Type of object + * @param object Actual value. + * @param message Message to display on error. + */ + isExtensible<T>(object: T, message?: string): void; + + /** + * Asserts that object is extensible (can have new properties added to it). + * + * @type T Type of object + * @param object Actual value. + * @param message Message to display on error. + */ + extensible<T>(object: T, message?: string): void; + + /** + * Asserts that object is not extensible. + * + * @type T Type of object + * @param object Actual value. + * @param message Message to display on error. + */ + isNotExtensible<T>(object: T, message?: string): void; + + /** + * Asserts that object is not extensible. + * + * @type T Type of object + * @param object Actual value. + * @param message Message to display on error. + */ + notExtensible<T>(object: T, message?: string): void; + + /** + * Asserts that object is sealed (can have new properties added to it + * and its existing properties cannot be removed). + * + * @type T Type of object + * @param object Actual value. + * @param message Message to display on error. + */ + isSealed<T>(object: T, message?: string): void; + + /** + * Asserts that object is sealed (can have new properties added to it + * and its existing properties cannot be removed). + * + * @type T Type of object + * @param object Actual value. + * @param message Message to display on error. + */ + sealed<T>(object: T, message?: string): void; + + /** + * Asserts that object is not sealed. + * + * @type T Type of object + * @param object Actual value. + * @param message Message to display on error. + */ + isNotSealed<T>(object: T, message?: string): void; + + /** + * Asserts that object is not sealed. + * + * @type T Type of object + * @param object Actual value. + * @param message Message to display on error. + */ + notSealed<T>(object: T, message?: string): void; + + /** + * Asserts that object is frozen (cannot have new properties added to it + * and its existing properties cannot be removed). + * + * @type T Type of object + * @param object Actual value. + * @param message Message to display on error. + */ + isFrozen<T>(object: T, message?: string): void; + + /** + * Asserts that object is frozen (cannot have new properties added to it + * and its existing properties cannot be removed). + * + * @type T Type of object + * @param object Actual value. + * @param message Message to display on error. + */ + frozen<T>(object: T, message?: string): void; + + /** + * Asserts that object is not frozen (cannot have new properties added to it + * and its existing properties cannot be removed). + * + * @type T Type of object + * @param object Actual value. + * @param message Message to display on error. + */ + isNotFrozen<T>(object: T, message?: string): void; + + /** + * Asserts that object is not frozen (cannot have new properties added to it + * and its existing properties cannot be removed). + * + * @type T Type of object + * @param object Actual value. + * @param message Message to display on error. + */ + notFrozen<T>(object: T, message?: string): void; + } + + export interface Config { + /** + * Default: false + */ + includeStack: boolean; + + /** + * Default: true + */ + showDiff: boolean; + + /** + * Default: 40 + */ + truncateThreshold: number; + } + + export class AssertionError { + constructor(message: string, _props?: any, ssf?: Function); + public name: string; + public message: string; + public showDiff: boolean; + public stack: string; + } +} + +declare const chai: Chai.ChaiStatic; + +declare module 'chai' { + export = chai; +} + +interface Object { + should: Chai.Assertion; +} |