package Ġcom . github . ana str . mys core . util Ċ Ċ import Ġandroid . content . Context Ċ import Ġandroidx . room . Room Ċ import Ġcom . github . ana str . data . h ilt . Database Module Ċ import Ġcom . github . ana str . data . room . App Database Ċ import Ġdagger . Module Ċ import Ġdagger . Provides Ċ import Ġdagger . h ilt . android . qual ifiers . ApplicationContext Ċ import Ġdagger . h ilt . components . Singleton Component Ċ import Ġdagger . h ilt . testing . Test Install In Ċ import Ġjavax . inject . Singleton Ċ Ċ @ Module Ċ @ Test Install In ( ĊĠĠĠ Ġcomponents Ġ= Ġ[ Singleton Component :: class ], ĊĠĠĠ Ġreplaces Ġ= Ġ[ Database Module :: class ], Ċ ) Ċ class ĠFake Database Module Ġ{ ĊĠĠĠ Ġ@ Singleton ĊĠĠĠ Ġ@ Provides ĊĠĠĠ Ġfun Ġprovide App Database (@ ApplicationContext Ġcontext : ĠContext ): ĠApp Database Ġ{ ĊĠĠĠĠĠĠĠ Ġreturn ĠRoom . in Memory Database Builder ( context , ĠApp Database :: class . java ). build () ĊĠĠĠ Ġ} Ċ } Ċ