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NodeJS-assert

18 posts

Node.js assert.doesNotReject() Function

Last Updated: 14 May 2022

The assert.doesNotReject() method is used to check if the given promise is not rejected. If the provided parameter is a Promise, it is awaited; if it is a function, it is ...read more

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Web Technologies

Node.js-Methods

Node.js assert tracker.calls() Function

Last Updated: 14 May 2022

The tracker.calls() method is used to keep track of the number of times a function is executed. It returns a wrapper function that should be invoked at exact times. When t...read more

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Web Technologies

Node.js-Methods

Node.js assert tracker.report() Function

Last Updated: 17 March 2021

The tracker.report() method is used to get information about the expected and actual number of calls of the functions that have not been called the expected number of time...read more

Web Technologies

NodeJS-function

Node.js Assert Complete Reference

Last Updated: 23 July 2025

Assert module in Node.js provides a bunch of facilities that are useful for the assertion of the function. The assert module provides a set of assertion functions for veri...read more

Web Technologies

Node.js-Methods

Node.js assert tracker.verify() Function

Last Updated: 08 March 2021

The tracker.verify() method is used to verify the how many times function was actually called compared to expected number of calls. This function will throw an error if th...read more

Web Technologies

NodeJS-function

Node.js assert.rejects() Function

Last Updated: 07 August 2020

The assert module provides a set of assertion functions for verifying invariants. The assert.rejects() function awaits the asyncFn promise or if the asyncFn is a function ...read more

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Web Technologies

Node.js-Methods

Node.js assert.strictEqual() Function

Last Updated: 06 April 2023

The assert module provides a set of assertion functions for verifying invariants. The assert.strictEqual() function tests strict equality between the actual and expected p...read more

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Web Technologies

Node.js-Methods

Node.js assert.ok() Function

Last Updated: 09 June 2022

The assert module provides a set of assertion functions for verifying invariants. The assert.ok() function tests if the value is true or not. If the condition is true it w...read more

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Web Technologies

Node.js-Methods

Node.js assert.notEqual() Function

Last Updated: 10 April 2023

The assert module provides a set of assertion functions for verifying invariants. The assert.notEqual() function tests strict inequality between the actual and the expecte...read more

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Web Technologies

Node.js-Methods

Node.js assert.notDeepStrictEqual() Function

Last Updated: 13 June 2022

The assert module provides a set of assertion functions for verifying invariants. The assert.notDeepStrictEqual() function tests for deep strict inequality. If the conditi...read more

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Web Technologies

Node.js-Methods

Node.js assert.notDeepEqual() Function

Last Updated: 13 June 2022

The assert module provides a set of assertion functions for verifying invariants. The assert.notDeepEqual() function tests deep strict inequality between the actual and th...read more

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Web Technologies

Node.js-Methods

Node.js assert.match() Function

Last Updated: 21 June 2022

The assert module provides a set of assertion functions for verifying invariants. The assert.match() function expects the string input to match the regular expression. If ...read more

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Web Technologies

Node.js-Methods

Node.js assert.ifError() Function

Last Updated: 10 December 2024

The assert module provides a set of assertion functions for verifying invariants. The assert.ifError() function throws value if value is not undefined or null. When testin...read more

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Web Technologies

Node.js-Methods

Node.js assert.fail() Function

Last Updated: 07 August 2020

The assert module provides a set of assertion functions for verifying invariants. The assert.fail() function throws an AssertionError with the provided the error message o...read more

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Web Technologies

Node.js-Methods

Node.js assert.doesNotThrow() Function

Last Updated: 07 August 2020

The assert module provides a set of assertion functions for verifying invariants. The assert.doesNotThrow() function asserts that the function fn does not throw an error.S...read more

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Web Technologies

Node.js-Methods

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