104 lines
2.5 KiB
Dart
104 lines
2.5 KiB
Dart
import 'package:angel3_merge_map/angel3_merge_map.dart';
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import 'package:test/test.dart';
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void main() {
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test('can merge two simple maps', () {
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var merged = mergeMap([
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{'hello': 'world'},
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{'hello': 'dolly'}
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]);
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expect(merged['hello'], equals('dolly'));
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});
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test("the last map's values supersede those of prior", () {
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var merged = mergeMap([
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{'letter': 'a'},
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{'letter': 'b'},
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{'letter': 'c'}
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]);
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expect(merged['letter'], equals('c'));
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});
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test('can merge two once-nested maps', () {
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// ignore: omit_local_variable_types
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Map map1 = {
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'hello': 'world',
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'foo': {'nested': false}
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};
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// ignore: omit_local_variable_types
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Map map2 = {
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'goodbye': 'sad life',
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'foo': {'nested': true, 'it': 'works'}
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};
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var merged = mergeMap([map1, map2]);
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expect(merged['hello'], equals('world'));
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expect(merged['goodbye'], equals('sad life'));
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expect(merged['foo']['nested'], equals(true));
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expect(merged['foo']['it'], equals('works'));
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});
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test('once-nested map supersession', () {
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// ignore: omit_local_variable_types
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Map map1 = {
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'hello': 'world',
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'foo': {'nested': false}
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};
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// ignore: omit_local_variable_types
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Map map2 = {
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'goodbye': 'sad life',
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'foo': {'nested': true, 'it': 'works'}
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};
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// ignore: omit_local_variable_types
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Map map3 = {
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'foo': {'nested': 'supersession'}
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};
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var merged = mergeMap([map1, map2, map3]);
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expect(merged['foo']['nested'], equals('supersession'));
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});
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test('can merge two twice-nested maps', () {
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// ignore: omit_local_variable_types
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Map map1 = {
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'a': {
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'b': {'c': 'd'}
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}
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};
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// ignore: omit_local_variable_types
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Map map2 = {
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'a': {
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'b': {'c': 'D', 'e': 'f'}
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}
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};
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var merged = mergeMap([map1, map2]);
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expect(merged['a']['b']['c'], equals('D'));
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expect(merged['a']['b']['e'], equals('f'));
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});
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test('twice-nested map supersession', () {
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// ignore: omit_local_variable_types
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Map map1 = {
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'a': {
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'b': {'c': 'd'}
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}
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};
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// ignore: omit_local_variable_types
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Map map2 = {
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'a': {
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'b': {'c': 'D', 'e': 'f'}
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}
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};
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// ignore: omit_local_variable_types
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Map map3 = {
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'a': {
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'b': {'e': 'supersession'}
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}
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};
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var merged = mergeMap([map1, map2, map3]);
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expect(merged['a']['b']['c'], equals('D'));
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expect(merged['a']['b']['e'], equals('supersession'));
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});
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}
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