fix multi conn conflict

src/index.ts

@@ -83,6 +83,7 @@ export default class TypeORMPlugin extends BasePlugin<TypeORMPluginConfigLike> {
       entities,
       entityPrefix: `koishi_${token}_`,
       metadataTableName: `koishi_typeorm_metadata_${token}`,
+      name: `koishi_${token}`,
       ...extraOptions,
     };
     const connection = await createConnection(connectionOptions);

tests/typeorm.spec.ts

@@ -33,6 +33,14 @@ class Book {
   author: User;
 }
 
+@Entity()
+class Magic {
+  @PrimaryGeneratedColumn()
+  id: number;
+  @Column('varchar', { length: 32 })
+  name: string;
+}
+
 describe('Koishi typeorm', () => {
   let app: App;
 
@@ -46,7 +54,7 @@ describe('Koishi typeorm', () => {
       username: 'koishi',
       password: 'koishi@114514',
       database: 'koishi',
-      dropSchema: true,
+      //dropSchema: true,
     });
   });
 
@@ -67,12 +75,27 @@ describe('Koishi typeorm', () => {
     expect(gotUser.name).toBe('Shigma');
   });
 
+  it('should able to open more than 1 connection', async () => {
+    await app.typeorm.create('fooo', [User, Book]);
+    await app.typeorm.create('barr', [Magic]);
+    const connection1 = app.typeorm.getConnection('fooo');
+    const connection2 = app.typeorm.getConnection('barr');
+    expect(connection1).toBeInstanceOf(Connection);
+    expect(connection2).toBeInstanceOf(Connection);
+    const userRepo = app.typeorm.getRepository(User);
+    const magicRepo = app.typeorm.getRepository(Magic);
+    expect(userRepo).toBeInstanceOf(Repository);
+    expect(magicRepo).toBeInstanceOf(Repository);
+    expect(userRepo.manager).toEqual(connection1.manager);
+    expect(magicRepo.manager).toEqual(connection2.manager);
+  });
+
   it('should connect with custom options', async () => {
-    await app.typeorm.create('foo', [User, Book], {
+    await app.typeorm.create('baz', [User, Book], {
       entityPrefix: 'fooooo_',
       metadataTableName: 'fooooo_metadata',
     });
-    const connection = app.typeorm.getConnection('foo');
+    const connection = app.typeorm.getConnection('baz');
     expect(connection.metadataTableName).toBe('fooooo_metadata');
   });
 
@@ -97,4 +120,8 @@ describe('Koishi typeorm', () => {
     expect(app.typeorm.getConnection('bar')).toBeUndefined();
     expect(app.typeorm.getRepository(User)).toBeUndefined();
   });
+
+  afterEach(async () => {
+    await app.stop();
+  });
 });