Files
SillyTavern/tests/frontend/MacroLexer.test.js
2024-08-09 04:15:42 +02:00

777 lines
30 KiB
JavaScript

/** @typedef {import('../../public/lib/chevrotain.js').ILexingResult} ILexingResult */
/** @typedef {import('../../public/lib/chevrotain.js').ILexingError} ILexingError */
/** @typedef {{type: string, text: string}} TestableToken */
describe('MacroLexer', () => {
beforeAll(async () => {
await page.goto(global.ST_URL);
await page.waitForFunction('document.getElementById("preloader") === null', { timeout: 0 });
});
describe('General Macro', () => {
// {{user}}
it('should handle macro only', async () => {
const input = '{{user}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'user' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{}}
it('should handle empty macro', async () => {
const input = '{{}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{ user }}
it('should handle macro with leading and trailing whitespace inside', async () => {
const input = '{{ user }}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'user' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{ some macro }}
it('whitespaces between two valid identifiers will only capture the first as macro identifier', async () => {
const input = '{{ some macro }}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'some' },
{ type: 'Identifier', text: 'macro' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{macro1}}{{macro2}}
it('should handle multiple sequential macros', async () => {
const input = '{{macro1}}{{macro2}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'macro1' },
{ type: 'MacroEnd', text: '}}' },
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'macro2' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{my2cents}}
it('should allow numerics inside the macro identifier', async () => {
const input = '{{my2cents}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'my2cents' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{SCREAM}}
it('should allow capslock macros', async () => {
const input = '{{SCREAM}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'SCREAM' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{some-longer-macro}}
it('allow dashes in macro identifiers', async () => {
const input = '{{some-longer-macro}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'some-longer-macro' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{macro!@#%}}
it('do not lex special characters as part of the macro identifier', async () => {
const input = '{{macro!@#%}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'macro' },
{ type: 'Unknown', text: '!' },
{ type: 'Unknown', text: '@' },
{ type: 'Unknown', text: '#' },
{ type: 'Unknown', text: '%' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{ma!@#%ro}}
it('invalid chars in macro identifier are not parsed as valid macro identifier', async () => {
const input = '{{ma!@#%ro}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'ma' },
{ type: 'Unknown', text: '!' },
{ type: 'Unknown', text: '@' },
{ type: 'Unknown', text: '#' },
{ type: 'Unknown', text: '%' },
{ type: 'Identifier', text: 'ro' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
});
describe('Macro Nesting', () => {
// {{outerMacro {{innerMacro}}}}
it('should handle nested macros', async () => {
const input = '{{outerMacro {{innerMacro}}}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'outerMacro' },
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'innerMacro' },
{ type: 'MacroEnd', text: '}}' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{doStuff "inner {{nested}} string"}}
it('should handle macros with nested quotation marks', async () => {
const input = '{{doStuff "inner {{nested}} string"}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'doStuff' },
{ type: 'Quote', text: '"' },
{ type: 'Identifier', text: 'inner' },
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'nested' },
{ type: 'MacroEnd', text: '}}' },
{ type: 'Identifier', text: 'string' },
{ type: 'Quote', text: '"' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
});
describe('Macro Arguments', () => {
// {{setvar::myVar::This is Sparta!}}
it('should tokenize macros with double colons arguments correctly', async () => {
const input = '{{setvar::myVar::This is Sparta!}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'setvar' },
{ type: 'DoubleColon', text: '::' },
{ type: 'Identifier', text: 'myVar' },
{ type: 'DoubleColon', text: '::' },
{ type: 'Identifier', text: 'This' },
{ type: 'Identifier', text: 'is' },
{ type: 'Identifier', text: 'Sparta' },
{ type: 'Unknown', text: '!' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{doStuff key=MyValue another=AnotherValue}}
it('should handle named arguments with key=value syntax', async () => {
const input = '{{doStuff key=MyValue another=AnotherValue}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'doStuff' },
{ type: 'Identifier', text: 'key' },
{ type: 'Equals', text: '=' },
{ type: 'Identifier', text: 'MyValue' },
{ type: 'Identifier', text: 'another' },
{ type: 'Equals', text: '=' },
{ type: 'Identifier', text: 'AnotherValue' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{getvar key="My variable"}}
it('should handle named arguments with quotation marks', async () => {
const input = '{{getvar key="My variable"}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'getvar' },
{ type: 'Identifier', text: 'key' },
{ type: 'Equals', text: '=' },
{ type: 'Quote', text: '"' },
{ type: 'Identifier', text: 'My' },
{ type: 'Identifier', text: 'variable' },
{ type: 'Quote', text: '"' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{getvar KEY=big}}
it('should handle capslock argument name identifiers', async () => {
const input = '{{getvar KEY=big}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'getvar' },
{ type: 'Identifier', text: 'KEY' },
{ type: 'Equals', text: '=' },
{ type: 'Identifier', text: 'big' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{dostuff longer-key=value}}
it('should handle argument name identifiers with dashes', async () => {
const input = '{{dostuff longer-key=value}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'dostuff' },
{ type: 'Identifier', text: 'longer-key' },
{ type: 'Equals', text: '=' },
{ type: 'Identifier', text: 'value' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{random "this" "and that" "and some more"}}
it('should handle multiple unnamed arguments in quotation marks', async () => {
const input = '{{random "this" "and that" "and some more"}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'random' },
{ type: 'Quote', text: '"' },
{ type: 'Identifier', text: 'this' },
{ type: 'Quote', text: '"' },
{ type: 'Quote', text: '"' },
{ type: 'Identifier', text: 'and' },
{ type: 'Identifier', text: 'that' },
{ type: 'Quote', text: '"' },
{ type: 'Quote', text: '"' },
{ type: 'Identifier', text: 'and' },
{ type: 'Identifier', text: 'some' },
{ type: 'Identifier', text: 'more' },
{ type: 'Quote', text: '"' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{doStuff key="My Spaced Value" otherKey=SingleKey}}
it('should handle named arguments with mixed style', async () => {
const input = '{{doStuff key="My Spaced Value" otherKey=SingleKey}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'doStuff' },
{ type: 'Identifier', text: 'key' },
{ type: 'Equals', text: '=' },
{ type: 'Quote', text: '"' },
{ type: 'Identifier', text: 'My' },
{ type: 'Identifier', text: 'Spaced' },
{ type: 'Identifier', text: 'Value' },
{ type: 'Quote', text: '"' },
{ type: 'Identifier', text: 'otherKey' },
{ type: 'Equals', text: '=' },
{ type: 'Identifier', text: 'SingleKey' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{doStuff key=}}
it('should handle macros with empty named arguments', async () => {
const input = '{{doStuff key=}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'doStuff' },
{ type: 'Identifier', text: 'key' },
{ type: 'Equals', text: '=' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{random "" ""}}
it('should handle empty unnamed arguments if quoted', async () => {
const input = '{{random "" ""}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'random' },
{ type: 'Quote', text: '"' },
{ type: 'Quote', text: '"' },
{ type: 'Quote', text: '"' },
{ type: 'Quote', text: '"' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{doStuff special chars #!@&*()}}
it('should handle macros with special characters in arguments', async () => {
const input = '{{doStuff special chars #!@&*()}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'doStuff' },
{ type: 'Identifier', text: 'special' },
{ type: 'Identifier', text: 'chars' },
{ type: 'Unknown', text: '#' },
{ type: 'Unknown', text: '!' },
{ type: 'Unknown', text: '@' },
{ type: 'Unknown', text: '&' },
{ type: 'Unknown', text: '*' },
{ type: 'Unknown', text: '(' },
{ type: 'Unknown', text: ')' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{longMacro arg1="value1" arg2="value2" arg3="value3"}}
it('should handle long macros with multiple arguments', async () => {
const input = '{{longMacro arg1="value1" arg2="value2" arg3="value3"}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'longMacro' },
{ type: 'Identifier', text: 'arg1' },
{ type: 'Equals', text: '=' },
{ type: 'Quote', text: '"' },
{ type: 'Identifier', text: 'value1' },
{ type: 'Quote', text: '"' },
{ type: 'Identifier', text: 'arg2' },
{ type: 'Equals', text: '=' },
{ type: 'Quote', text: '"' },
{ type: 'Identifier', text: 'value2' },
{ type: 'Quote', text: '"' },
{ type: 'Identifier', text: 'arg3' },
{ type: 'Equals', text: '=' },
{ type: 'Quote', text: '"' },
{ type: 'Identifier', text: 'value3' },
{ type: 'Quote', text: '"' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{complexMacro "text with {{nested}} content" key=val}}
it('should handle macros with complex argument patterns', async () => {
const input = '{{complexMacro "text with {{nested}} content" key=val}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'complexMacro' },
{ type: 'Quote', text: '"' },
{ type: 'Identifier', text: 'text' },
{ type: 'Identifier', text: 'with' },
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'nested' },
{ type: 'MacroEnd', text: '}}' },
{ type: 'Identifier', text: 'content' },
{ type: 'Quote', text: '"' },
{ type: 'Identifier', text: 'key' },
{ type: 'Equals', text: '=' },
{ type: 'Identifier', text: 'val' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// TODO: test invalid argument name identifiers
});
describe('Macro Execution Modifiers', () => {
// {{!immediate}}
it('should support ! flag', async () => {
const input = '{{!immediate}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroFlag', text: '!' },
{ type: 'MacroIdentifier', text: 'immediate' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{?lazy}}
it('should support ? flag', async () => {
const input = '{{?lazy}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroFlag', text: '?' },
{ type: 'MacroIdentifier', text: 'lazy' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{~reevaluate}}
it('should support ~ flag', async () => {
const input = '{{~reevaluate}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroFlag', text: '~' },
{ type: 'MacroIdentifier', text: 'reevaluate' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{/if}}
it('should support / flag', async () => {
const input = '{{/if}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroFlag', text: '/' },
{ type: 'MacroIdentifier', text: 'if' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{.variable}}
it('should support . flag', async () => {
const input = '{{.variable}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroFlag', text: '.' },
{ type: 'MacroIdentifier', text: 'variable' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{$variable}}
it('should support alias $ flag', async () => {
const input = '{{$variable}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroFlag', text: '$' },
{ type: 'MacroIdentifier', text: 'variable' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{#legacy}}
it('should support legacy # flag', async () => {
const input = '{{#legacy}}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroFlag', text: '#' },
{ type: 'MacroIdentifier', text: 'legacy' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{ ! identifier }}
it('support whitespaces around flags', async () => {
const input = '{{ ! identifier }}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroFlag', text: '!' },
{ type: 'MacroIdentifier', text: 'identifier' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{ ?~lateragain }}
it('support multiple flags', async () => {
const input = '{{ ?~lateragain }}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroFlag', text: '?' },
{ type: 'MacroFlag', text: '~' },
{ type: 'MacroIdentifier', text: 'lateragain' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{ ! .importantvariable }}
it('support multiple flags with whitspace', async () => {
const input = '{{ !.importantvariable }}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroFlag', text: '!' },
{ type: 'MacroFlag', text: '.' },
{ type: 'MacroIdentifier', text: 'importantvariable' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{ @unknown }}
it('[Error] do not capture unknown special characters as flag', async () => {
const input = '{{ @unknown }}';
const { tokens, errors } = await runLexerGetTokensAndErrors(input);
const expectedErrors = [
{ message: 'unexpected character: ->@<- at offset: 3, skipped 1 characters.' },
];
expect(errors).toMatchObject(expectedErrors);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
// Do not capture '@' as anything, as it's a lexer error
{ type: 'MacroIdentifier', text: 'unknown' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{ a shaaark }}
it('do not capture single letter as flag, but as macro identifiers', async () => {
const input = '{{ a shaaark }}';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'a' },
{ type: 'Identifier', text: 'shaaark' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
// {{ 2 cents }}
it('[Error] do not capture numbers as flag - they are also invalid macro identifiers', async () => {
const input = '{{ 2 cents }}';
const { tokens, errors } = await runLexerGetTokensAndErrors(input);
const expectedErrors = [
{ message: 'unexpected character: ->2<- at offset: 3, skipped 1 characters.' },
];
expect(errors).toMatchObject(expectedErrors);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
// Do not capture '2' as anything, as it's a lexer error
{ type: 'MacroIdentifier', text: 'cents' },
{ type: 'MacroEnd', text: '}}' },
];
expect(tokens).toEqual(expectedTokens);
});
});
describe('Macro While Typing..', () => {
// {{unclosed_macro word and more. Done.
it('lexer allows unclosed macros, but tries to parse it as a macro', async () => {
const input = '{{unclosed_macro word and more. Done.';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'unclosed_macro' },
{ type: 'Identifier', text: 'word' },
{ type: 'Identifier', text: 'and' },
{ type: 'Identifier', text: 'more' },
{ type: 'Unknown', text: '.' },
{ type: 'Identifier', text: 'Done' },
{ type: 'Unknown', text: '.' },
];
expect(tokens).toEqual(expectedTokens);
});
});
describe('Macro and Plaintext', () => {
// Hello, {{user}}!
it('basic macro tokenization', async () => {
const input = 'Hello, {{user}}!';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'Plaintext', text: 'Hello, ' },
{ type: 'MacroStart', text: '{{' },
{ type: 'MacroIdentifier', text: 'user' },
{ type: 'MacroEnd', text: '}}' },
{ type: 'Plaintext', text: '!' },
];
// Compare the actual result with expected tokens
expect(tokens).toEqual(expectedTokens);
});
// Just some text here.
it('should tokenize plaintext only', async () => {
const input = 'Just some text here.';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'Plaintext', text: 'Just some text here.' },
];
expect(tokens).toEqual(expectedTokens);
});
});
describe('"Error" Cases in Macro Lexing', () => {
// this is an unopened_macro}} and will be done
it('lexer treats unopened macors as simple plaintext', async () => {
const input = 'this is an unopened_macro}} and will be done';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'Plaintext', text: 'this is an unopened_macro}} and will be done' },
];
expect(tokens).toEqual(expectedTokens);
});
// { { not a macro } }
it('treats opening/closing with whitspaces between brackets not as macros', async () => {
const input = '{ { not a macro } }';
const tokens = await runLexerGetTokens(input);
const expectedTokens = [
{ type: 'Plaintext', text: '{ { not a macro } }' },
];
expect(tokens).toEqual(expectedTokens);
});
});
});
/**
* Asynchronously runs the MacroLexer on the given input and returns the tokens.
*
* Lexer errors will throw an Error. To test and validate lexer errors, use `runLexerGetTokensAndErrors`.
*
* @param {string} input - The input string to be tokenized.
* @returns {Promise<TestableToken[]>} A promise that resolves to an array of tokens.
*/
async function runLexerGetTokens(input) {
const { tokens, errors } = await runLexerGetTokensAndErrors(input);
// Make sure that lexer errors get correctly marked as errors during testing, even if the resulting tokens might work.
// If we don't test for errors, the test should fail.
if (errors.length > 0) {
throw new Error('Lexer errors found\n' + errors.map(x => x.message).join('\n'));
}
return tokens;
}
/**
* Asynchronously runs the MacroLexer on the given input and returns the tokens and errors.
*
* Use `runLexerGetTokens` if you don't want to explicitly test against lexer errors
*
* @param {string} input - The input string to be tokenized.
* @returns {Promise<{tokens: TestableToken[], errors: LexerError[]}>} A promise that resolves to an object containing an array of tokens and an array of lexer errors.
*/
async function runLexerGetTokensAndErrors(input) {
const result = await page.evaluate(async (input) => {
/** @type {import('../../public/scripts/macros/MacroLexer.js')} */
const { MacroLexer } = await import('./scripts/macros/MacroLexer.js');
const result = MacroLexer.tokenize(input);
return result;
}, input);
return getTestableTokens(result);
}
/**
*
* @param {ILexingResult} result The result from the lexer
* @returns {{tokens: TestableToken[], errors: ILexingError[]}} The tokens
*/
function getTestableTokens(result) {
const errors = result.errors;
const tokens = result.tokens
// Filter out the mode popper. We don't care aobut that for testing
.filter(token => token.tokenType.name !== 'EndMode')
// Extract relevant properties from tokens for comparison
.map(token => ({
type: token.tokenType.name,
text: token.image,
}));
return { tokens, errors };
}