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Mocking and Testing Firestore Operations in Flutter Unit Tests | Part 2 (Transactions and Batched Writes)

Mar 15, 2022 · 8 min read · Introduction Firestore offers the ability to perform atomic operations — "series of database operations such that either all occurs, or nothing occurs") — in form of Transactions and Batched Writes. Transactions: a transaction is a set of read and w...

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Mocking and Testing Firestore Operations in Flutter Unit Tests | Part 1 (Documents and Collections)

Feb 15, 2022 · 15 min read · Introduction This article examines Firestore operations with respect to Documents and Collections and demonstrates how to mock and test them. The article was created using Flutter Channel stable, 2.8.1. Prerequisites Add the following packages to yo...

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Mocking and Testing Shared Preferences in Flutter Unit Tests

Dec 6, 2021 · 5 min read · Introduction This article demonstrates how to unit-test Shared Preferences in Flutter projects. This article assumes that the reader is familiar with Flutter development and the Dart language. The code in the demo was created using Flutter Channel ...

Mocking and Testing The File System In Dart/Flutter Unit Tests

Oct 9, 2021 · 4 min read · This article will describe how to mock and test the file system in Dart/Flutter for tests and in particular unit tests. This article assumes that the reader is familiar with Flutter development and the Dart language. The article is divided into: Int...

Mocking callbacks in Dart/Flutter unit tests

Sep 24, 2021 · 3 min read · This article is a guide on how to mock callback functions and verify that the callback functions are called in Dart/Flutter unit tests. The article is divided into: Introduction Mocking The Callback Testing The Callback 1. Introduction Let's say we...