Add OmitFromCoverage annotation to exclude special cases (#318)

app/build.gradle.kts

@@ -144,7 +144,9 @@ koverReport {
         excludes {
             annotatedBy(
                 // Compose previews
-                "androidx.compose.ui.tooling.preview.Preview"
+                "androidx.compose.ui.tooling.preview.Preview",
+                // Manually excluded classes/files/etc.
+                "com.x8bit.bitwarden.data.platform.annotation.OmitFromCoverage"
             )
             classes(
                 // Navigation helpers

app/src/main/java/com/x8bit/bitwarden/data/auth/util/KdfParamsConstants.kt

@@ -1,10 +1,12 @@
 package com.x8bit.bitwarden.data.auth.util
 
 import com.bitwarden.core.Kdf
+import com.x8bit.bitwarden.data.platform.annotation.OmitFromCoverage
 
 /**
  * Constants relating to [Kdf] initialization defaults.
  */
+@OmitFromCoverage
 object KdfParamsConstants {
 
     /**

app/src/main/java/com/x8bit/bitwarden/data/platform/annotation/OmitFromCoverage.kt

@@ -0,0 +1,13 @@
+package com.x8bit.bitwarden.data.platform.annotation
+
+/**
+ * Used to omit the annotated class from test coverage reporting. This should be used sparingly and
+ * is intended for non-testable classes that are placed in packages along with testable ones.
+ */
+@Target(
+    AnnotationTarget.CLASS,
+    AnnotationTarget.FILE,
+    AnnotationTarget.FUNCTION,
+)
+@Retention(AnnotationRetention.BINARY)
+annotation class OmitFromCoverage

app/src/main/java/com/x8bit/bitwarden/data/platform/util/DeviceModelProvider.kt

@@ -1,10 +1,12 @@
 package com.x8bit.bitwarden.data.platform.util
 
 import android.os.Build
+import com.x8bit.bitwarden.data.platform.annotation.OmitFromCoverage
 
 /**
- * Provides device model string. Useful for mocking static [Build.model] call tests.
+ * Provides device model string. Useful for mocking static [Build.MODEL] call tests.
  */
+@OmitFromCoverage
 class DeviceModelProvider {
 
     /**