100 lines
3.4 KiB
TypeScript
100 lines
3.4 KiB
TypeScript
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/**
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* Test the delta generated from two key/value stores
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*
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* Copyright (C) 2010-2019 R-T Specialty, LLC.
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*
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* This file is part of liza.
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*
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* liza is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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import { createDelta as sut, Kv , DeltaResult} from "../../src/bucket/delta";
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import { expect, use as chai_use } from 'chai';
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chai_use( require( 'chai-as-promised' ) );
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interface SutTestCase<T>
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{
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label: string;
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src_data: T;
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dest_data: T;
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expected: DeltaResult<T>;
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}
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describe( 'Delta', () =>
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{
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( <SutTestCase<Kv<string>>[]>[
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{
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label: "No changes are made, key is dropped",
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src_data: { foo: [ 'bar', 'baz' ] },
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dest_data: { foo: [ 'bar', 'baz' ] },
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expected: {},
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},
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{
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label: "Only the unchanged key is dropped",
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src_data: { foo: [ 'bar', 'baz' ], bar: [ 'qwe' ] },
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dest_data: { foo: [ 'bar', 'baz' ], bar: [ 'asd' ] },
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expected: { bar: [ 'asd' ] },
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},
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{
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label: "Changed values are updated by index with old value",
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src_data: { foo: [ "bar", "baz", "quux" ] },
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dest_data: { foo: [ "bar", "quuux" ], moo: [ "cow" ] },
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expected: { foo: [ undefined, "quuux", null ], moo: [ "cow" ] },
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},
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{
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label: "The keys are null when they don't exist in first set",
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src_data: {},
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dest_data: { foo: [ "bar", "quuux" ], moo: [ "cow" ] },
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expected: { foo: [ "bar", "quuux" ], moo: [ "cow" ] },
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},
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{
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label: "Removed keys in new set show up",
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src_data: { foo: [ "bar" ] },
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dest_data: {},
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expected: { foo: null },
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},
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{
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label: "Indexes after a null terminator aren't included",
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src_data: { foo: [ "one", "two", "three", "four" ] },
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dest_data: { foo: [ "one", "done" ] },
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expected: { foo: [ undefined, "done", null ] },
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},
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{
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label: "Consider nested arrays to be scalar values",
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src_data: { foo: [ [ "one" ], [ "two", "three" ] ] },
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dest_data: { foo: [ [ "one" ], [ "two" ] ] },
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expected: { foo: [ undefined, [ "two" ] ] },
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},
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{
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label: "Don't evaluate zeros as falsy",
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src_data: { foo: [ 0 ] },
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dest_data: { foo: [ 0 ] },
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expected: {},
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},
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{
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label: "Don't evaluate empty strings as falsy",
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src_data: { foo: [ '' ] },
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dest_data: { foo: [ '' ] },
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expected: {},
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},
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] ).forEach( ( { label, src_data, dest_data, expected } ) =>
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{
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it( label, () =>
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{
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expect( sut( src_data, dest_data ) ).to.deep.equal( expected );
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} );
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} );
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} );
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