4d7ff7edc5
The goal is to be able to modify values of variables used in templates. It enables future functionality such as escaping, inlining etc. It adds support applying predefined pipes to variables. Pipes can be applied to variable substitution in with and parameter substitution expressions. They work in similar way to piping in Unix where each pipe applied to the compiled result of pipe before. It adds support for using pipes in `with` and parameter substitution expressions. It also refactors how their regex is build to reuse more of the logic by abstracting regex building into a new class. Finally, it separates and extends documentation for templating.
68 lines
2.6 KiB
TypeScript
68 lines
2.6 KiB
TypeScript
import 'mocha';
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import { ParameterSubstitutionParser } from '@/application/Parser/Script/Compiler/Expressions/SyntaxParsers/ParameterSubstitutionParser';
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import { ExpressionPosition } from '@/application/Parser/Script/Compiler/Expressions/Expression/ExpressionPosition';
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import { SyntaxParserTestsRunner } from './SyntaxParserTestsRunner';
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describe('ParameterSubstitutionParser', () => {
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const sut = new ParameterSubstitutionParser();
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const runner = new SyntaxParserTestsRunner(sut);
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describe('finds as expected', () => {
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runner.expectPosition(
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{
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name: 'single parameter',
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code: '{{ $parameter }}!',
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expected: [ new ExpressionPosition(0, 16) ],
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},
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{
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name: 'different parameters',
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code: 'He{{ $firstParameter }} {{ $secondParameter }}!!',
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expected: [ new ExpressionPosition(2, 23), new ExpressionPosition(24, 46) ],
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},
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{
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name: 'tolerates lack of spaces around brackets',
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code: 'He{{$firstParameter}}!!',
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expected: [new ExpressionPosition(2, 21) ],
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},
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{
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name: 'does not tolerate space after dollar sign',
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code: 'He{{ $ firstParameter }}!!',
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expected: [ ],
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},
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);
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});
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describe('evaluates as expected', () => {
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runner.expectResults(
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{
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name: 'single parameter',
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code: '{{ $parameter }}',
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args: (args) => args
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.withArgument('parameter', 'Hello world'),
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expected: [ 'Hello world' ],
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},
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{
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name: 'different parameters',
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code: '{{ $firstParameter }} {{ $secondParameter }}!',
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args: (args) => args
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.withArgument('firstParameter', 'Hello')
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.withArgument('secondParameter', 'World'),
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expected: [ 'Hello', 'World' ],
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},
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{
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name: 'same parameters used twice',
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code: '{{ $letterH }}e{{ $letterL }}{{ $letterL }}o Wor{{ $letterL }}d!',
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args: (args) => args
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.withArgument('letterL', 'l')
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.withArgument('letterH', 'H'),
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expected: [ 'H', 'l', 'l', 'l' ],
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},
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);
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});
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describe('compiles pipes as expected', () => {
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runner.expectPipeHits({
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codeBuilder: (pipeline) => `{{ $argument${pipeline}}}`,
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parameterName: 'argument',
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parameterValue: 'value',
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});
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});
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});
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