DataRaft swift package

Tests/DataRaftTests/Structures/MigrationTests.swift

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+import Testing
+import Foundation
+
+@testable import DataRaft
+
+@Suite struct MigrationTests {
+    @Test func initWithURL() {
+        let version = DummyVersion(rawValue: 1)
+        let url = URL(fileURLWithPath: "/tmp/migration.sql")
+        let migration = Migration(version: version, scriptURL: url)
+        
+        #expect(migration.version == version)
+        #expect(migration.scriptURL == url)
+    }
+    
+    @Test func initFromBundle_success() throws {
+        let bundle = Bundle.module  // или другой, если тестовая ресурсная цель другая
+        let version = DummyVersion(rawValue: 2)
+        
+        let migration = Migration(
+            version: version,
+            byResource: "migration_1",
+            extension: "sql",
+            in: bundle
+        )
+        
+        #expect(migration != nil)
+        #expect(migration?.version == version)
+        #expect(migration?.scriptURL.lastPathComponent == "migration_1.sql")
+    }
+    
+    @Test func initFromBundle_failure() {
+        let version = DummyVersion(rawValue: 3)
+        
+        let migration = Migration(
+            version: version,
+            byResource: "NonexistentFile",
+            extension: "sql",
+            in: .main
+        )
+        
+        #expect(migration == nil)
+    }
+    
+    @Test func hashableEquatable() {
+        let version = DummyVersion(rawValue: 5)
+        let url = URL(fileURLWithPath: "/tmp/migration.sql")
+        
+        let migration1 = Migration(version: version, scriptURL: url)
+        let migration2 = Migration(version: version, scriptURL: url)
+        
+        #expect(migration1 == migration2)
+        #expect(migration1.hashValue == migration2.hashValue)
+    }
+}
+
+private extension MigrationTests {
+    struct DummyVersion: VersionRepresentable {
+        let rawValue: UInt32
+        
+        init(rawValue: UInt32) {
+            self.rawValue = rawValue
+        }
+        
+        static func < (lhs: Self, rhs: Self) -> Bool {
+            lhs.rawValue < rhs.rawValue
+        }
+    }
+}