refactor: replace unMock with Hilt testing

app/build.gradle

@@ -5,20 +5,11 @@ plugins {
     id "org.jetbrains.kotlin.plugin.parcelize"
     id 'kotlinx-serialization'
     id 'com.google.dagger.hilt.android'
-    id 'de.mobilej.unmock'
     id 'com.google.protobuf'
     id "com.google.devtools.ksp"
     id "io.gitlab.arturbosch.detekt" version "1.23.6"
 }
 
-unMock {
-    keep "android.util.Base64"
-    keepStartingWith "libcore."
-    keep "android.net.Uri"
-
-    keepAndRename "java.nio.charset.Charsets" to "xjava.nio.charset.Charsets"
-}
-
 def keystorePropertiesFile = rootProject.file("keystore.properties")
 def keystoreProperties = new Properties()
 if (keystorePropertiesFile.exists()) {
@@ -43,7 +34,7 @@ android {
         targetSdk 34
         versionCode 30318 // format is Mmmss (where M is 1+the numeric major number
         versionName "2.3.18"
-        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner "com.geeksville.mesh.TestRunner"
 
         // per https://developer.android.com/studio/write/vector-asset-studio
         vectorDrawables.useSupportLibrary = true
@@ -186,6 +177,8 @@ dependencies {
     implementation "com.google.dagger:hilt-android:$hilt_version"
     implementation "androidx.hilt:hilt-navigation-compose:1.2.0"
     ksp "com.google.dagger:hilt-compiler:$hilt_version"
+    androidTestImplementation "com.google.dagger:hilt-android-testing:$hilt_version"
+    kspAndroidTest "com.google.dagger:hilt-compiler:$hilt_version"
 
     // Navigation
     def nav_version = "2.7.7"

app/src/androidTest/java/com/geeksville/mesh/ChannelSetTest.kt

@@ -1,11 +1,28 @@
-package com.geeksville.mesh.model
+package com.geeksville.mesh
 
 import android.net.Uri
+import com.geeksville.mesh.model.getChannelUrl
+import com.geeksville.mesh.model.primaryChannel
+import com.geeksville.mesh.model.shouldAddChannels
+import com.geeksville.mesh.model.toChannelSet
+import dagger.hilt.android.testing.HiltAndroidRule
+import dagger.hilt.android.testing.HiltAndroidTest
 import org.junit.Assert
+import org.junit.Before
+import org.junit.Rule
 import org.junit.Test
 
+@HiltAndroidTest
 class ChannelSetTest {
 
+    @get:Rule
+    var hiltRule = HiltAndroidRule(this)
+
+    @Before
+    fun init() {
+        hiltRule.inject()
+    }
+
     /** make sure we match the python and device code behavior */
     @Test
     fun matchPython() {

app/src/androidTest/java/com/geeksville/mesh/TestRunner.kt

@@ -0,0 +1,13 @@
+package com.geeksville.mesh
+
+import android.app.Application
+import android.content.Context
+import androidx.test.runner.AndroidJUnitRunner
+import dagger.hilt.android.testing.HiltTestApplication
+
+@Suppress("unused")
+class TestRunner : AndroidJUnitRunner() {
+    override fun newApplication(cl: ClassLoader?, name: String?, context: Context?): Application {
+        return super.newApplication(cl, HiltTestApplication::class.java.name, context)
+    }
+}

build.gradle

@@ -29,9 +29,6 @@ buildscript {
         // protobuf plugin - docs here https://github.com/google/protobuf-gradle-plugin
         classpath 'com.google.protobuf:protobuf-gradle-plugin:0.9.4'
 
-        // for unit testing https://github.com/bjoernQ/unmock-plugin
-        classpath 'com.github.bjoernq:unmockplugin:0.8.0'
-
         classpath "com.google.dagger:hilt-android-gradle-plugin:$hilt_version"
     }
 }