import { getRelationType } from './get-relation-type' ; import { Relation } from '../types' ; describe ( 'getRelationType' , ( ) => { it ( 'returns m2o when relation is the same as collection and field' , ( ) => { const mockRelation = { collection : 'test' , related_collection : 'test2' , field : 'testField' } as Relation ; expect ( getRelationType ( { relation : mockRelation , collection : 'test' , field : 'testField' } ) ) . toBe ( 'm2o' ) ; } ) ; it ( 'returns m2a when one_allowed_collections and one_collection_field are defined' , ( ) => { const mockRelation = { collection : 'test' , related_collection : 'test2' , field : 'testField' , meta : { one_allowed_collections : [ 'test' , 'test2' ] , one_collection_field : 'testField' , } , } as Relation ; expect ( getRelationType ( { relation : mockRelation , collection : 'test' , field : 'testField' } ) ) . toBe ( 'm2a' ) ; } ) ; it ( 'returns o2m when related_collection is the same as collection and field' , ( ) => { const mockRelation = { collection : 'test' , related_collection : 'test2' , field : 'testField' , meta : { one_field : 'testField' } , } as Relation ; expect ( getRelationType ( { relation : mockRelation , collection : 'test2' , field : 'testField' } ) ) . toBe ( 'o2m' ) ; } ) ; } ) ;