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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
import { validateVector } from './utils';
import { Dictionary, Utf8, Int32, Vector } from 'apache-arrow';
import {
encodeAll,
encodeEach,
encodeEachDOM,
encodeEachNode,
duplicateItems,
stringsNoNulls,
stringsWithNAs,
stringsWithNulls,
stringsWithEmpties
} from './utils';
const testDOMStreams = process.env.TEST_DOM_STREAMS === 'true';
const testNodeStreams = process.env.TEST_NODE_STREAMS === 'true';
describe('DictionaryBuilder', () => {
describe('<Utf8, Int32>', () => {
runTestsWithEncoder('encodeAll', encodeAll(() => new Dictionary(new Utf8(), new Int32())));
runTestsWithEncoder('encodeEach: 5', encodeEach(() => new Dictionary(new Utf8(), new Int32()), 5));
runTestsWithEncoder('encodeEach: 25', encodeEach(() => new Dictionary(new Utf8(), new Int32()), 25));
runTestsWithEncoder('encodeEach: undefined', encodeEach(() => new Dictionary(new Utf8(), new Int32()), void 0));
testDOMStreams && runTestsWithEncoder('encodeEachDOM: 25', encodeEachDOM(() => new Dictionary(new Utf8(), new Int32()), 25));
testNodeStreams && runTestsWithEncoder('encodeEachNode: 25', encodeEachNode(() => new Dictionary(new Utf8(), new Int32()), 25));
});
});
function runTestsWithEncoder(name: string, encode: (vals: (string | null)[], nullVals?: any[]) => Promise<Vector<Dictionary<Utf8, Int32>>>) {
describe(`${encode.name} ${name}`, () => {
it(`dictionary-encodes strings no nulls`, async () => {
const vals = duplicateItems(20, stringsNoNulls(10));
validateVector(vals, await encode(vals, []), []);
});
it(`dictionary-encodes strings with nulls`, async () => {
const vals = duplicateItems(20, stringsWithNulls(10));
validateVector(vals, await encode(vals, [null]), [null]);
});
it(`dictionary-encodes strings using n/a as the null value rep`, async () => {
const vals = duplicateItems(20, stringsWithNAs(10));
validateVector(vals, await encode(vals, ['n/a']), ['n/a']);
});
it(`dictionary-encodes strings using \\0 as the null value rep`, async () => {
const vals = duplicateItems(20, stringsWithEmpties(10));
validateVector(vals, await encode(vals, ['\0']), ['\0']);
});
});
}
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