Ep2 Golang Microservice Query MySQL & sqlmock to Write Unit Tests for an E-commerce Backend

Published: 24 June 2024
on channel: david hwang

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Now that we have set up our database in our last episode, we can now start querying the MySQL database from our Go app.

github.com/dhij/ecomm

0:00 intro
0:24 sql vs. sqlx comparison
1:52 go mod init & connect to DB
4:03 create our main.go file
5:28 create our MySQL storer file
6:11 add the Create/Get/List/Update/DeleteProduct storer methods
10:38 write unit tests with sqlmock for TestCreateProduct and TestGetProduct
20:01 add the withTestDB function to instantiate our mockDB
23:16 add failed test cases for 100% test coverage
28:25 explain unit tests for TestListProducts, TestUpdateProduct, and TestDeleteProduct

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