diff --git a/app/src/test/java/gq/kirmanak/mealie/data/auth/impl/AuthRepoImplTest.kt b/app/src/test/java/gq/kirmanak/mealie/data/auth/impl/AuthRepoImplTest.kt
new file mode 100644
index 0000000..feabaf6
--- /dev/null
+++ b/app/src/test/java/gq/kirmanak/mealie/data/auth/impl/AuthRepoImplTest.kt
@@ -0,0 +1,51 @@
+package gq.kirmanak.mealie.data.auth.impl
+
+import com.google.common.truth.Truth.assertThat
+import dagger.hilt.android.testing.HiltAndroidTest
+import gq.kirmanak.mealie.data.auth.impl.AuthImplTestData.TEST_PASSWORD
+import gq.kirmanak.mealie.data.auth.impl.AuthImplTestData.TEST_TOKEN
+import gq.kirmanak.mealie.data.auth.impl.AuthImplTestData.TEST_USERNAME
+import gq.kirmanak.mealie.data.auth.impl.AuthImplTestData.enqueueSuccessfulAuthResponse
+import gq.kirmanak.mealie.data.auth.impl.AuthImplTestData.enqueueUnsuccessfulAuthResponse
+import kotlinx.coroutines.runBlocking
+import org.junit.Test
+import retrofit2.HttpException
+import javax.inject.Inject
+
+@HiltAndroidTest
+class AuthRepoImplTest : MockServerTest() {
+    @Inject
+    lateinit var subject: AuthRepoImpl
+
+    @Test
+    fun `when not authenticated then isAuthenticated false`() = runBlocking {
+        assertThat(subject.isAuthenticated()).isFalse()
+    }
+
+    @Test
+    fun `when authenticated then isAuthenticated true`() = runBlocking {
+        mockServer.enqueueSuccessfulAuthResponse()
+        subject.authenticate(TEST_USERNAME, TEST_PASSWORD, serverUrl)
+        assertThat(subject.isAuthenticated()).isTrue()
+    }
+
+    @Test(expected = HttpException::class)
+    fun `when authentication fails then authenticate throws`() = runBlocking {
+        mockServer.enqueueUnsuccessfulAuthResponse()
+        subject.authenticate(TEST_USERNAME, TEST_PASSWORD, serverUrl)
+    }
+
+    @Test
+    fun `when authenticated then getToken returns token`() = runBlocking {
+        mockServer.enqueueSuccessfulAuthResponse()
+        subject.authenticate(TEST_USERNAME, TEST_PASSWORD, serverUrl)
+        assertThat(subject.getToken()).isEqualTo(TEST_TOKEN)
+    }
+
+    @Test
+    fun `when authenticated then getBaseUrl returns url`() = runBlocking {
+        mockServer.enqueueSuccessfulAuthResponse()
+        subject.authenticate(TEST_USERNAME, TEST_PASSWORD, serverUrl)
+        assertThat(subject.getBaseUrl()).isEqualTo(serverUrl)
+    }
+}