Dodaj timeout i ręczny tryb offline przy uruchamianiu

2026-07-16 11:04:36 +02:00
parent ae0d1b2d3d
commit 7c9cb3fb0d
7 changed files with 338 additions and 12 deletions
@@ -0,0 +1,70 @@
+package pl.firmatpp.kierowca.data.sync
+
+import java.io.IOException
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.test.runTest
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertTrue
+import org.junit.Test
+
+class StartupOfflineFallbackLoaderTest {
+    @Test
+    fun returnsServerDataBeforeTimeout() = runTest {
+        val loader = StartupOfflineFallbackLoader(timeoutMillis = 1_000L)
+
+        val result = loader.load(
+            onlineLoad = { "server" },
+            offlineLoad = { "cache" },
+        )
+
+        assertEquals("server", result)
+    }
+
+    @Test
+    fun returnsCachedDataWhenServerExceedsTimeout() = runTest {
+        val loader = StartupOfflineFallbackLoader(timeoutMillis = 1_000L)
+
+        val result = loader.load(
+            onlineLoad = {
+                delay(2_000L)
+                "server"
+            },
+            offlineLoad = { "cache" },
+        )
+
+        assertEquals("cache", result)
+    }
+
+    @Test
+    fun reportsMissingOfflineDataAfterTimeout() = runTest {
+        val loader = StartupOfflineFallbackLoader(timeoutMillis = 1_000L)
+
+        val error = runCatching {
+            loader.load(
+                onlineLoad = {
+                    delay(2_000L)
+                    "server"
+                },
+                offlineLoad = { null },
+            )
+        }.exceptionOrNull()
+
+        assertTrue(error is IOException)
+    }
+
+    @Test
+    fun doesNotHideAuthenticationFailures() = runTest {
+        val loader = StartupOfflineFallbackLoader(timeoutMillis = 1_000L)
+        val authenticationFailure = IllegalStateException("401")
+
+        val error = runCatching {
+            loader.load(
+                onlineLoad = { throw authenticationFailure },
+                offlineLoad = { "cache" },
+            )
+        }.exceptionOrNull()
+
+        assertTrue(error is IllegalStateException)
+        assertEquals(authenticationFailure.message, error?.message)
+    }
+}