1 files changed, 54 insertions, 0 deletions
diff --git a/app/src/androidTest/kotlin/com/pitchedapps/frost/db/DatabaseTest.kt b/app/src/androidTest/kotlin/com/pitchedapps/frost/db/DatabaseTest.kt
new file mode 100644
index 00000000..c79d212e
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+++ b/app/src/androidTest/kotlin/com/pitchedapps/frost/db/DatabaseTest.kt
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2019 Allan Wang
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.pitchedapps.frost.db
+
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import org.junit.runner.RunWith
+import org.koin.error.NoBeanDefFoundException
+import org.koin.standalone.get
+import org.koin.test.KoinTest
+import kotlin.reflect.KClass
+import kotlin.reflect.full.functions
+import kotlin.test.Test
+import kotlin.test.assertTrue
+
+@RunWith(AndroidJUnit4::class)
+class DatabaseTest : KoinTest {
+
+    inline fun <reified T : Any> hasKoin() = hasKoin(T::class)
+
+    fun <T : Any> hasKoin(klazz: KClass<T>): Boolean =
+        try {
+            get<T>(clazz = klazz)
+            true
+        } catch (e: NoBeanDefFoundException) {
+            false
+        }
+
+    /**
+     * Database and all daos should be loaded as components
+     */
+    @Test
+    fun testKoins() {
+        hasKoin<FrostDatabase>()
+        val members = FrostDatabase::class.java.kotlin.functions.filter { it.name.endsWith("Dao") }
+            .mapNotNull { it.returnType.classifier as? KClass<*> }
+        assertTrue(members.isNotEmpty(), "Failed to find dao interfaces")
+        val missingKoins = (members + FrostDatabase::class).filter { !hasKoin(it) }
+        assertTrue(missingKoins.isEmpty(), "Missing koins: $missingKoins")
+    }
+}