Rewrite Migrations (#577)

* Rewrite Migrations * Fix Detekt errors * Do migrations synchronous * Filter and sort migrations * Review changes * Review changes 2 * Fix Detekt errors
2026-10-22 16:39:45 -07:00 · 2024-03-25 23:26:19 +06:00
parent 6965e59a64
commit 666d6aa117
10 changed files with 275 additions and 84 deletions
@@ -0,0 +1,96 @@
+package mihon.core.migration
+
+import io.mockk.Called
+import io.mockk.spyk
+import io.mockk.verify
+import org.junit.jupiter.api.Assertions
+import org.junit.jupiter.api.Test
+
+class MigratorTest {
+
+    @Test
+    fun initialVersion() {
+        val onMigrationComplete: () -> Unit = {}
+        val onMigrationCompleteSpy = spyk(onMigrationComplete)
+        val didMigration = Migrator.migrate(
+            old = 0,
+            new = 1,
+            migrations = listOf(Migration.of(Migration.ALWAYS) { true }, Migration.of(2f) { false }),
+            onMigrationComplete = onMigrationCompleteSpy
+        )
+        verify { onMigrationCompleteSpy() }
+        Assertions.assertTrue(didMigration)
+    }
+
+    @Test
+    fun sameVersion() {
+        val onMigrationComplete: () -> Unit = {}
+        val onMigrationCompleteSpy = spyk(onMigrationComplete)
+        val didMigration = Migrator.migrate(
+            old = 1,
+            new = 1,
+            migrations = listOf(Migration.of(Migration.ALWAYS) { true }, Migration.of(2f) { true }),
+            onMigrationComplete = onMigrationCompleteSpy
+        )
+        verify { onMigrationCompleteSpy wasNot Called }
+        Assertions.assertFalse(didMigration)
+    }
+
+    @Test
+    fun smallMigration() {
+        val onMigrationComplete: () -> Unit = {}
+        val onMigrationCompleteSpy = spyk(onMigrationComplete)
+        val didMigration = Migrator.migrate(
+            old = 1,
+            new = 2,
+            migrations = listOf(Migration.of(Migration.ALWAYS) { true }, Migration.of(2f) { true }),
+            onMigrationComplete = onMigrationCompleteSpy
+        )
+        verify { onMigrationCompleteSpy() }
+        Assertions.assertTrue(didMigration)
+    }
+
+    @Test
+    fun largeMigration() {
+        val onMigrationComplete: () -> Unit = {}
+        val onMigrationCompleteSpy = spyk(onMigrationComplete)
+        val input = listOf(
+            Migration.of(Migration.ALWAYS) { true },
+            Migration.of(2f) { true },
+            Migration.of(3f) { true },
+            Migration.of(4f) { true },
+            Migration.of(5f) { true },
+            Migration.of(6f) { true },
+            Migration.of(7f) { true },
+            Migration.of(8f) { true },
+            Migration.of(9f) { true },
+            Migration.of(10f) { true },
+        )
+        val didMigration = Migrator.migrate(
+            old = 1,
+            new = 10,
+            migrations = input,
+            onMigrationComplete = onMigrationCompleteSpy
+        )
+        verify { onMigrationCompleteSpy() }
+        Assertions.assertTrue(didMigration)
+    }
+
+    @Test
+    fun withinRangeMigration() {
+        val onMigrationComplete: () -> Unit = {}
+        val onMigrationCompleteSpy = spyk(onMigrationComplete)
+        val didMigration = Migrator.migrate(
+            old = 1,
+            new = 2,
+            migrations = listOf(
+                Migration.of(Migration.ALWAYS) { true },
+                Migration.of(2f) { true },
+                Migration.of(3f) { false }
+            ),
+            onMigrationComplete = onMigrationCompleteSpy
+        )
+        verify { onMigrationCompleteSpy() }
+        Assertions.assertTrue(didMigration)
+    }
+}