Add Compose Preview test and fix issues

1 files changed, 22 insertions, 0 deletions

diff --git a/android/test/arch/src/test/kotlin/net/mullvad/mullvadvpn/test/arch/compose/ComposePreviewTests.kt b/android/test/arch/src/test/kotlin/net/mullvad/mullvadvpn/test/arch/compose/ComposePreviewTests.kt
new file mode 100644
index 0000000000..64b221d0c0
--- /dev/null
+++ b/android/test/arch/src/test/kotlin/net/mullvad/mullvadvpn/test/arch/compose/ComposePreviewTests.kt
@@ -0,0 +1,22 @@
+package net.mullvad.mullvadvpn.test.arch.compose
+
+import androidx.compose.ui.tooling.preview.Preview
+import com.lemonappdev.konsist.api.Konsist
+import com.lemonappdev.konsist.api.ext.list.withAllAnnotationsOf
+import com.lemonappdev.konsist.api.verify.assert
+import org.junit.Test
+
+class ComposePreviewTests {
+    @Test
+    fun `all preview functions are private`() {
+        allPreviewFunctions().assert { it.hasPrivateModifier }
+    }
+
+    @Test
+    fun `all preview functions are prefixed with Preview`() {
+        allPreviewFunctions().assert { it.name.startsWith("Preview") }
+    }
+
+    private fun allPreviewFunctions() =
+        Konsist.scopeFromProduction().functions().withAllAnnotationsOf(Preview::class)
+}