package Ġcom . example . android . architecture . blueprint s . todo app . data . source . local Ċ Ċ import Ġandroidx . arch . core . executor . testing . Instant Task Executor Rule Ċ import Ġandroidx . room . Room Ċ import Ġandroidx . test . core . app . Application Provider Ċ import Ġandroidx . test . ext . junit . runners . Android JUnit 4 Ċ import Ġandroidx . test . filters . Small Test Ċ import Ġcom . example . android . architecture . blueprint s . todo app . data . Task Ċ import Ġkotlinx . coroutines . Experimental Cor outines Api Ċ import Ġkotlinx . coroutines . test . run Blocking Test Ċ import Ġorg . hamcrest . Core Matchers . notNull Value Ċ import Ġorg . hamcrest . Matcher Assert . assertThat Ċ import Ġorg . hamcrest . core . Is .` is ` Ċ import Ġorg . junit . After Ċ import Ġorg . junit . Before Ċ import Ġorg . junit . Rule Ċ import Ġorg . junit . Test Ċ import Ġorg . junit . runner . RunWith Ċ Ċ @ Experimental Cor outines Api Ċ @ RunWith ( Android JUnit 4 :: class ) Ċ @ Small Test Ċ class ĠTask Dao Test Ġ(){ ĊĊĠĠĠ Ġ// execute Ġeach Ġtask Ġsynchronous ly Ġusing ĠArchitecture ĠComponents ĊĠĠĠ Ġ@ get : Rule ĊĠĠĠ Ġvar Ġinstant Task Executor Rule = Instant Task Executor Rule () ĊĊĠĠĠ Ġprivate Ġlateinit Ġvar Ġdatabase : ToDo Database ĊĊĠĠĠ Ġ@ Before ĊĠĠĠ Ġfun Ġsetup DB (){ ĊĠĠĠĠĠĠĠ Ġdatabase Ġ= ĠRoom . in Memory Database Builder ( ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ ĠApplication Provider . getApplicationContext (), ĊĠĠĠĠĠĠĠĠĠĠĠĠĠĠĠ ĠTo Do Database :: class . java ). build () ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġ@ After ĊĠĠĠ Ġfun Ġclose DB () Ġ= Ġdatabase . close () ĊĊĠĠĠ Ġ@ Test ĊĠĠĠ Ġfun Ġinsert Task AndGet It ById () = Ġrun Blocking Test { ĊĠĠĠĠĠĠĠ Ġ// ĠGiven Ġ- Ġinsert Ġa ĠTask ĊĠĠĠĠĠĠĠ Ġval Ġtask Ġ= ĠTask (" Task Ġ 1 ", Ġ" Description Ġ 1 ") ĊĠĠĠĠĠĠĠ Ġdatabase . task Dao (). insert Task ( task ) ĊĊĠĠĠĠĠĠĠ Ġ// ĠWhen Ġ- Ġgetting Ġthe Ġtask Ġby ĠId Ġfrom ĠDB ĊĠĠĠĠĠĠĠ Ġval Ġloaded Task Ġ= Ġdatabase . task Dao (). get Task ById ( task . id ) ĊĊĠĠĠĠĠĠĠ Ġ// ĠThen Ġ- Ġit Ġhas Ġthe Ġcorrect Ġvalues ĊĠĠĠĠĠĠĠ ĠassertThat < Task >( loaded Task Ġas ĠTask , Ġnot NullValue ()) ĊĠĠĠĠĠĠĠ ĠassertThat ( loaded Task ?. id , Ġ` is `( task . id )) ĊĠĠĠĠĠĠĠ ĠassertThat ( loaded Task ?. title , Ġ` is ` (" Task Ġ 1 ")) ĊĠĠĠĠĠĠĠ ĠassertThat ( loaded Task ?. description , Ġ` is ` (" Description Ġ 1 ")) ĊĠĠĠĠĠĠĠ ĠassertThat ( loaded Task ?. is Completed , Ġ` is `( task . is Completed )) ĊĊĠĠĠ Ġ} ĊĊĠĠĠ Ġ@ Test ĊĠĠĠ Ġfun Ġupdate Task AndGet It ById () = Ġrun Blocking Test { ĊĠĠĠĠĠĠĠ Ġ// ĠGiven Ġ- Ġinsert Ġtask ĊĠĠĠĠĠĠĠ Ġval Ġtask 1 Ġ= ĠTask (" Task Ġ 1 ", Ġ" Description Ġ 1 ") ĊĠĠĠĠĠĠĠ Ġdatabase . task Dao (). insert Task ( task 1 ) ĊĠĠĠĠĠĠĠ Ġ// Ġupdate Ġtask Ġby Ġcreating Ġa Ġnew Ġtask Ġwith Ġsame Ġid Ġbut Ġdifferent Ġattributes ĊĠĠĠĠĠĠĠ Ġval Ġupdated Task Ġ= ĠTask (" New ĠTitle ", Ġ" new Ġdescription ", Ġis Completed Ġ= Ġtrue , Ġid Ġ= Ġtask 1 . id ) ĊĠĠĠĠĠĠĠ Ġdatabase . task Dao (). insert Task ( updated Task ) ĊĊĠĠĠĠĠĠĠ Ġ// ĠWhen Ġloading Ġupdated ĠTask Ġwith Ġinitial , Ġwe Ġget Ġnew Ġvalues ĊĠĠĠĠĠĠĠ Ġval Ġloaded Task Ġ= Ġdatabase . task Dao (). get Task ById ( task 1 . id ) ĊĊĠĠĠĠĠĠĠ ĠassertThat < Task >( loaded Task Ġas ĠTask , Ġnot NullValue ()) ĊĠĠĠĠĠĠĠ ĠassertThat ( loaded Task ?. id , Ġ` is `( task 1 . id )) ĊĠĠĠĠĠĠĠ ĠassertThat ( loaded Task ?. title , Ġ` is ` (" New ĠTitle ")) ĊĠĠĠĠĠĠĠ ĠassertThat ( loaded Task ?. description , Ġ` is ` (" new Ġdescription ")) ĊĠĠĠĠĠĠĠ ĠassertThat ( loaded Task ?. is Completed , Ġ` is `( true )) ĊĊĠĠĠ Ġ} Ċ Ċ }