Added unit test for use case GetNote

closes #4

My Notes.plantuml

@@ -0,0 +1,31 @@
+@startuml
+
+title __MY NOTES's Component Diagram__\n
+
+  component "My_Notes.app.unitTest" {
+        [My_Notes.app.main]
+    component "My_Notes.app.main" {
+          [My_Notes.app.androidTest]
+      component "My_Notes.app.androidTest" {
+            [My_Notes.app]
+      }
+
+
+    }
+
+
+  }
+
+
+  [My_Notes.app.androidTest] --> [My_Notes.app.main]
+  [My_Notes.app.unitTest] --> [My_Notes.app.main]
+
+
+right footer
+
+
+PlantUML diagram generated by SketchIt! (https://bitbucket.org/pmesmeur/sketch.it)
+For more information about this tool, please contact philippe.mesmeur@gmail.com
+endfooter
+
+@enduml

app/build.gradle

@@ -12,7 +12,7 @@ android {
     defaultConfig {
         applicationId "com.dlight.mynotes"
         minSdk 23
-        targetSdk 28
+        targetSdk 32
         versionCode 1
         versionName "1.0"
 
@@ -76,7 +76,6 @@ dependencies {
     //Dagger - Hilt
     implementation 'com.google.dagger:hilt-android:2.42'
     kapt 'com.google.dagger:hilt-android-compiler:2.42'
-  //  implementation "androidx.hilt:hilt-lifecycle-viewmodel:1.0.0-alpha03"
     kapt "androidx.hilt:hilt-compiler:1.0.0"
 
     // Room
@@ -103,7 +102,7 @@ dependencies {
     androidTestImplementation 'com.google.dagger:hilt-android-testing:2.42'
     kaptAndroidTest 'com.google.dagger:hilt-android-compiler:2.42'
     androidTestImplementation "junit:junit:4.13.2"
-    androidTestImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.6.3'
+    androidTestImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.6.4'
     androidTestImplementation "androidx.arch.core:core-testing:2.1.0"
     androidTestImplementation "com.google.truth:truth:1.1.3"
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'

app/src/test/java/com/dlight/mynotes/feature_note/domain/data/repository/FakeNoteRepository.kt

@@ -0,0 +1,27 @@
+package com.dlight.mynotes.feature_note.domain.data.repository
+
+import com.dlight.mynotes.feature_note.domain.model.Note
+import com.dlight.mynotes.feature_note.domain.repository.NoteRepository
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.flow
+
+class FakeNoteRepository : NoteRepository {
+
+    private val notes = mutableListOf<Note>()
+
+    override fun getNotes(): Flow<List<Note>> {
+        return flow { emit(notes) }
+    }
+
+    override suspend fun getNoteById(id: Int): Note? {
+        return notes.find { it.id == id }
+    }
+
+    override suspend fun insertNote(note: Note) {
+        notes.add(note)
+    }
+
+    override suspend fun deleteNote(note: Note) {
+        notes.remove(note)
+    }
+}

app/src/test/java/com/dlight/mynotes/feature_note/domain/use_cases/GetNotesTest.kt

@@ -0,0 +1,93 @@
+package com.dlight.mynotes.feature_note.domain.use_cases
+
+import com.dlight.mynotes.feature_note.domain.data.repository.FakeNoteRepository
+import com.dlight.mynotes.feature_note.domain.model.Note
+import com.dlight.mynotes.feature_note.domain.util.NoteOrder
+import com.dlight.mynotes.feature_note.domain.util.OrderType
+import com.google.common.truth.Truth.assertThat
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.runBlocking
+import org.junit.Before
+import org.junit.Test
+
+class GetNotesTest {
+
+    private lateinit var getNotes: GetNotes
+    private lateinit var fakeNoteRepository: FakeNoteRepository
+
+    @Before
+    fun setUp() {
+        fakeNoteRepository = FakeNoteRepository()
+        getNotes = GetNotes(fakeNoteRepository)
+
+        val noteToInsert = mutableListOf<Note>()
+        ('a'..'z').forEachIndexed { index, c ->
+            noteToInsert.add(
+                Note(
+                    title = c.toString(),
+                    content = c.toString(),
+                    timestamp = index.toLong(),
+                    color = index
+                )
+            )
+        }
+        noteToInsert.shuffle()
+        runBlocking {
+            noteToInsert.forEach { fakeNoteRepository.insertNote(it) }
+        }
+    }
+
+    @Test
+    fun `Order notes by title ascending, correct order`() = runBlocking {
+        val notes = getNotes(NoteOrder.Title(OrderType.Ascending)).first()
+
+        for (i in 0..notes.size - 2) {
+            assertThat(notes[i].title).isLessThan(notes[i + 1].title)
+        }
+    }
+
+    @Test
+    fun `Order notes by title descending, correct order`() = runBlocking {
+        val notes = getNotes(NoteOrder.Title(OrderType.Descending)).first()
+
+        for (i in 0..notes.size - 2) {
+            assertThat(notes[i].title).isGreaterThan(notes[i + 1].title)
+        }
+    }
+
+    @Test
+    fun `Order notes by date ascending, correct order`() = runBlocking {
+        val notes = getNotes(NoteOrder.Date(OrderType.Ascending)).first()
+
+        for (i in 0..notes.size - 2) {
+            assertThat(notes[i].timestamp).isLessThan(notes[i + 1].timestamp)
+        }
+    }
+
+    @Test
+    fun `Order notes by date descending, correct order`() = runBlocking {
+        val notes = getNotes(NoteOrder.Date(OrderType.Descending)).first()
+
+        for (i in 0..notes.size - 2) {
+            assertThat(notes[i].timestamp).isGreaterThan(notes[i + 1].timestamp)
+        }
+    }
+
+    @Test
+    fun `Order notes by color ascending, correct order`() = runBlocking {
+        val notes = getNotes(NoteOrder.Color(OrderType.Ascending)).first()
+
+        for (i in 0..notes.size - 2) {
+            assertThat(notes[i].color).isLessThan(notes[i + 1].color)
+        }
+    }
+
+    @Test
+    fun `Order notes by color descending, correct order`() = runBlocking {
+        val notes = getNotes(NoteOrder.Color(OrderType.Descending)).first()
+
+        for (i in 0..notes.size - 2) {
+            assertThat(notes[i].color).isGreaterThan(notes[i + 1].color)
+        }
+    }
+}

build.gradle

@@ -4,8 +4,8 @@ buildscript {
     }
 }// Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
-    id 'com.android.application' version '7.2.1' apply false
-    id 'com.android.library' version '7.2.1' apply false
+    id 'com.android.application' version '7.3.0' apply false
+    id 'com.android.library' version '7.3.0' apply false
     id 'org.jetbrains.kotlin.android' version '1.6.21' apply false
     id 'com.google.dagger.hilt.android' version '2.41' apply false
 }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 #Sun Jul 03 15:16:46 IST 2022
 distributionBase=GRADLE_USER_HOME
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-bin.zip
 distributionPath=wrapper/dists
 zipStorePath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME