loopback-datasource-juggler/test/kvao/keys.suite.js

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// Copyright IBM Corp. 2016,2018. All Rights Reserved.
// Node module: loopback-datasource-juggler
// This file is licensed under the MIT License.
// License text available at https://opensource.org/licenses/MIT
'use strict';
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const bdd = require('../helpers/bdd-if');
const helpers = require('./_helpers');
const should = require('should');
module.exports = function(dataSourceFactory, connectorCapabilities) {
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const canIterateKeys = connectorCapabilities.canIterateKeys !== false;
bdd.describeIf(canIterateKeys, 'keys', function() {
let CacheItem;
beforeEach(function setupCacheItem() {
return helpers.givenCacheItem(dataSourceFactory)
.then(ModelCtor => CacheItem = ModelCtor)
.then(() => {
CacheItem.sortedKeys = function(filter, options) {
return this.keys(filter, options).then(keys => keys.sort());
};
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});
});
it('returns all keys - Callback API', function(done) {
helpers.givenKeys(CacheItem, ['key1', 'key2'], function(err) {
if (err) return done(err);
CacheItem.keys(function(err, keys) {
if (err) return done(err);
keys.sort();
should(keys).eql(['key1', 'key2']);
done();
});
});
});
it('returns all keys - Promise API', function() {
return helpers.givenKeys(CacheItem, ['key1', 'key2'])
.then(function() {
return CacheItem.keys();
})
.then(function(keys) {
keys.sort();
should(keys).eql(['key1', 'key2']);
});
});
it('returns keys of the given model only', function() {
let AnotherModel;
return helpers.givenModel(dataSourceFactory, 'AnotherModel')
.then(ModelCtor => AnotherModel = ModelCtor)
.then(() => helpers.givenKeys(CacheItem, ['key1', 'key2']))
.then(() => helpers.givenKeys(AnotherModel, ['otherKey1', 'otherKey2']))
.then(() => CacheItem.sortedKeys())
.then(keys => should(keys).eql(['key1', 'key2']));
});
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const largeKeySets = connectorCapabilities.canIterateLargeKeySets !== false;
bdd.itIf(largeKeySets, 'handles large key set', function() {
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const expectedKeys = [];
for (let ix = 0; ix < 1000; ix++)
expectedKeys.push('key-' + ix);
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expectedKeys.sort();
return helpers.givenKeys(CacheItem, expectedKeys)
.then(function() {
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return CacheItem.sortedKeys();
})
.then(function(keys) {
should(keys).eql(expectedKeys);
});
});
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context('with "filter.match"', function() {
beforeEach(function createTestData() {
return helpers.givenKeys(CacheItem, [
'hallo',
'hello',
'hxllo',
'hllo',
'heeello',
'foo',
'bar',
]);
});
it('supports "?" operator', function() {
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return CacheItem.sortedKeys({match: 'h?llo'}).then(function(keys) {
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should(keys).eql(['hallo', 'hello', 'hxllo']);
});
});
it('supports "*" operator', function() {
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return CacheItem.sortedKeys({match: 'h*llo'}).then(function(keys) {
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should(keys).eql(['hallo', 'heeello', 'hello', 'hllo', 'hxllo']);
});
});
it('handles no matches found', function() {
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return CacheItem.sortedKeys({match: 'not-found'})
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.then(function(keys) {
should(keys).eql([]);
});
});
});
});
};