add swiftUI code

2025-01-22 14:09:10 +08:00
parent 68e7b7347c
commit 8a99853829
2531 changed files with 486215 additions and 0 deletions
@@ -0,0 +1,44 @@
+import XCTest
+import GRDB
+
+class DatabaseQueueInMemoryTests : GRDBTestCase {
+    func test_independent_in_memory_database() throws {
+        let baz = try DatabaseQueue().write { db in
+            try db.execute(sql: "CREATE TABLE foo (bar TEXT)")
+            try db.execute(sql: "INSERT INTO foo (bar) VALUES ('baz')")
+            return try String.fetchOne(db, sql: "SELECT bar FROM foo")!
+        }
+        XCTAssertEqual(baz, "baz")
+    }
+    
+    func test_independent_in_memory_databases_are_independent() throws {
+        try DatabaseQueue().write { db in
+            try db.execute(sql: "CREATE TABLE foo (bar TEXT)")
+        }
+        
+        try XCTAssertFalse(DatabaseQueue().read { try $0.tableExists("foo") })
+    }
+    
+    func test_shared_in_memory_database() throws {
+        let name = UUID().uuidString
+        let baz = try DatabaseQueue(named: name).write { db in
+            try db.execute(sql: "CREATE TABLE foo (bar TEXT)")
+            try db.execute(sql: "INSERT INTO foo (bar) VALUES ('baz')")
+            return try String.fetchOne(db, sql: "SELECT bar FROM foo")!
+        }
+        XCTAssertEqual(baz, "baz")
+    }
+    
+    func test_shared_in_memory_databases_are_shared_by_name() throws {
+        let nameA = UUID().uuidString
+        let dbA = try DatabaseQueue(named: nameA)
+        try dbA.write { db in
+            try db.execute(sql: "CREATE TABLE foo (bar TEXT)")
+        }
+        
+        try withExtendedLifetime(dbA) {
+            try XCTAssertTrue(DatabaseQueue(named: nameA).read { try $0.tableExists("foo") })
+            try XCTAssertFalse(DatabaseQueue(named: UUID().uuidString).read { try $0.tableExists("foo") })
+        }
+    }
+}