Package Exports

typeorm-faker
typeorm-faker/index.js

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Readme

TypeORM-Faker

Generate fake mocks, stubs using your entity settings.

Install

npm install --save-dev typeorm-faker

Usage

// import typeorm faker on your test file.
import typeormFaker from 'typeorm-faker';

// here is entity
@Entity('post')
export class Post {
    @PrimaryGeneratedColumn()
    id!: number;

    @Column()
    title!: string;

    @Column()
    text?: string;

    @Column({
        nullable: false,
        default: 0
    })
    likesCount!: number;
}

// generate stubs
const postStubs = typeormFaker.stub(Post);

/**
 * You can specify values for fake entity
 *
 * Post [
 *     { id: 1, title: 'this is test title', text: 'eW2p3tj*A', likesCount: 0 },
 *     { id: 1, title: 'this is test title', text: 'abcdef', likesCount: 0 }
 * ]
 */
const count = 5;
const postStubs = typeormFaker.stub(Post, count, {
    id: 1,
    title: 'this is test title'
});

// or one
/**
 * Post { id: 13326, title: 'pDYFMFO,ZX', text: 'eW2p3tj*A', likesCount: 0 }
 */
const postStub = typeormFaker.stubOne(Post);

/**
 * Post { id: 1, ... }
 */
const postStub = typeormFaker.stubOne(Post, {
    id: 1
});

/**
 * you can generate also typeorm raw one for type inference
 *
 * Post {
 *     post_id: 13326,
 *     post_title: 'pDYFMFO,ZX',
 *     post_text: 'eW2`p3tj*A',
 *     post_likesCount: 0`
 * }
 */
const rawPostStub = typeormFaker.stubRawOne<Post, 'Post', ''>(Post);
const rawPostStub = typeormFaker.stubRawOne<Post, 'Post', ''>(Post, {
    // post_id
    // post_title ...
});

const count = 2;
const rawPostStubArray = typeormFaker.stubRaw<Post, 'Post', ''>(Post, count, {
    post_id: 12345
});

Support Type-Inference for TypeORM Raw Entity

Use typeormFaker object globally in test

Global type setting

setting up to tsconfig.json

# set typeRoots on tsconfig.json in compilerOptions
{
    // ...,
    "typeRoots": [
        "node_modules/typeorm-faker/@types"
    ],
    "types": [
        "sample"
    ]
}

Register

Set register file as require settings

# like .mocharc.yml
- typeorm-faker/registers

Limitations

For type inference of TypeORM raw entity, you must specify class variable and that name, additional fields in test that why Typescript does not yet support the way that getting class name from generics.

JSPM

typeorm-faker