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'use strict';
const Schema = require('../../lib/schema');const assert = require('assert');const getSchemaTypes = require('../../lib/helpers/populate/getSchemaTypes');const mongoose = require('../common').mongoose;
describe('getSchemaTypes', function() {  it('handles embedded discriminators (gh-5970)', function() {    const ItemSchema = new Schema({      title: {        type: String,        required: true      }    }, { discriminatorKey: 'type' });
    const ItemBookSchema = new Schema({      author: {        type: String,        ref: 'Ref1'      }    });
    const ItemEBookSchema = new Schema({      author: {        type: String,        ref: 'Ref2'      }    });
    const OtherItem = new Schema({ name: String });
    const BundleSchema = new Schema({      items: [{        type: ItemSchema,        required: false      }]    });
    BundleSchema.path('items').discriminator('Book', ItemBookSchema);    BundleSchema.path('items').discriminator('EBook', ItemEBookSchema);    BundleSchema.path('items').discriminator('Other', OtherItem);
    const doc = {      items: [        { type: 'Book', author: 'test 1' },        { type: 'EBook', author: 'test 2' },        { type: 'Other' }      ]    };
    const schemaTypes = getSchemaTypes(null, BundleSchema, doc, 'items.author');
    assert.ok(Array.isArray(schemaTypes));    // Make sure we only got the schema paths for Book and EBook, and none    // for the 'Other'    assert.equal(schemaTypes.length, 2);    assert.equal(schemaTypes[0].options.ref, 'Ref1');    assert.equal(schemaTypes[1].options.ref, 'Ref2');  });
  it('multiple embedded discriminators (gh-6064)', function() {    const ItemSchema = new Schema({      title: {        type: String,        required: true      }    }, { discriminatorKey: 'type' });
    const ItemBookSchema = new Schema({      author: {        type: String,        ref: 'Ref1'      }    });
    const ItemEBookSchema = new Schema({      author: {        type: String,        ref: 'Ref2'      }    });
    const OtherItem = new Schema({ name: String });
    const BundleSchema = new Schema({      level1: {        items: [{          type: ItemSchema,          required: false        }]      },      level2: {        items: [{          type: ItemSchema,          required: false        }]      }    });
    BundleSchema.path('level1.items').discriminator('Book', ItemBookSchema);    BundleSchema.path('level1.items').discriminator('EBook', ItemEBookSchema);    BundleSchema.path('level1.items').discriminator('Other', OtherItem);
    // HERE IS THE ADDED DISCRIMINATOR PATH    BundleSchema.path('level2.items').discriminator('Book', ItemBookSchema);    BundleSchema.path('level2.items').discriminator('EBook', ItemEBookSchema);    BundleSchema.path('level2.items').discriminator('Other', OtherItem);
    const doc = {      level1: {        items: [          { type: 'Book', author: 'level 1 test 1' },          { type: 'EBook', author: 'level 1 test 2' }        ]      },      level2: {        items: [          { type: 'EBook', author: 'level 2 test 1' },          { type: 'Book', author: 'level 2 test 2' },          { type: 'Other' }        ]      }    };    const schemaTypes = getSchemaTypes(null, BundleSchema, doc, 'level2.items.author');
    assert.ok(Array.isArray(schemaTypes));    // Make sure we only got the schema paths for Book and EBook, and none    // for the 'Other'    assert.equal(schemaTypes.length, 2);    assert.equal(schemaTypes[0].options.ref, 'Ref1');    assert.equal(schemaTypes[1].options.ref, 'Ref2');  });
  it('handles already populated paths (gh-6798)', function() {    const DriverSchema = new mongoose.Schema({      name: 'String',      cars: [{ type: 'ObjectId', required: false, ref: 'gh6798_Car' }]    });
    const CarSchema = new mongoose.Schema({      name: 'String',      producer: { type: 'ObjectId', required: false, ref: 'gh6798_Producer' }    });
    const ProducerSchema = new mongoose.Schema({      name: 'String'    });
    const Driver = mongoose.model('gh6798_Driver', DriverSchema);    const Car = mongoose.model('gh6798_Car', CarSchema);    mongoose.model('gh6798_Producer', ProducerSchema);
    const car = new Car({ name: '1970 Dodge Charger' });    const driver = new Driver({ name: 'Dominic Toretto', cars: [car] });
    assert.equal(driver.cars[0].name, '1970 Dodge Charger');    assert.ok(driver.populated('cars'));
    const schematype = getSchemaTypes(null, DriverSchema, driver, 'cars.producer');    assert.equal(schematype.options.ref, 'gh6798_Producer');  });
  it('handles embedded discriminators in nested arrays (gh-9984)', function() {    const mapSchema = new Schema({      tiles: [[new Schema({}, { discriminatorKey: 'kind', _id: false })]]    });
    const contentPath = mapSchema.path('tiles');
    contentPath.discriminator('Enemy', new Schema({      enemy: { type: Schema.Types.ObjectId, ref: 'Enemy' }    }));    contentPath.discriminator('Wall', new Schema({ color: String }));
    const schemaTypes = getSchemaTypes(null, mapSchema, null, 'tiles.enemy');    assert.ok(Array.isArray(schemaTypes));    assert.equal(schemaTypes.length, 1);    assert.equal(schemaTypes[0].options.ref, 'Enemy');  });
  it('finds path underneath nested subdocument with map of mixed (gh-12530)', function() {    const schema = new Schema({      child: new Schema({        testMap: {          type: Map,          of: 'Mixed'        }      })    });
    const schemaTypes = getSchemaTypes(null, schema, null, 'child.testMap.foo.bar');    assert.equal(schemaTypes.instance, 'Mixed');  });});