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Merge pull request #354 from GuillaumeGomez/variables
Add `assert-variable`, `assert-variable-false`, `store-property` and `store-value` commands
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| // All `compare*` commands. | ||
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| const { getAndSetElements } = require('./utils.js'); | ||
|
|
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| // Possible inputs: | ||
| // | ||
| // * (ident, "CSS selector" | "XPath", "property") | ||
| function parseStoreProperty(parser) { | ||
| const elems = parser.elems; | ||
|
|
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| if (elems.length === 0) { | ||
| return {'error': 'expected a tuple, found nothing'}; | ||
| } else if (elems.length !== 1 || elems[0].kind !== 'tuple') { | ||
| return { | ||
| 'error': `expected a tuple, found \`${parser.getRawArgs()}\``, | ||
| }; | ||
| } | ||
| const tuple = elems[0].getRaw(); | ||
| if (tuple.length !== 3) { | ||
| let err = `expected 3 elements in the tuple, found ${tuple.length} element`; | ||
| if (tuple.length > 1) { | ||
| err += 's'; | ||
| } | ||
| return {'error': err}; | ||
| } else if (tuple[0].kind !== 'ident') { | ||
| return { | ||
| 'error': `expected first argument to be an ident, found ${tuple[0].getArticleKind()} \ | ||
| (\`${tuple[0].getText()}\`)`, | ||
| }; | ||
| } else if (tuple[1].kind !== 'string') { | ||
| return { | ||
| 'error': `expected second argument to be a string, found ${tuple[1].getArticleKind()} \ | ||
| (\`${tuple[1].getText()}\`)`, | ||
| }; | ||
| } else if (tuple[2].kind !== 'string') { | ||
| return { | ||
| 'error': `expected third argument to be a CSS selector or an XPath, found \ | ||
| ${tuple[2].getArticleKind()} (\`${tuple[2].getText()}\`)`, | ||
| }; | ||
| } | ||
|
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| const selector = tuple[1].getSelector(); | ||
| if (selector.error !== undefined) { | ||
| return selector; | ||
| } | ||
| const warnings = []; | ||
| const isPseudo = !selector.isXPath && selector.pseudo !== null; | ||
| if (isPseudo) { | ||
| warnings.push(`Pseudo-elements (\`${selector.pseudo}\`) don't have attributes so \ | ||
| the check will be performed on the element itself`); | ||
| } | ||
|
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| const varName = 'parseStoreProperty'; | ||
| const code = `\ | ||
| ${getAndSetElements(selector, varName, false)} | ||
| const jsHandle = await ${varName}.evaluateHandle((e, p) => { | ||
| return String(e[p]); | ||
| }, ${tuple[2].getText()}); | ||
| arg.variables["${tuple[0].getText()}"] = await jsHandle.jsonValue();`; | ||
|
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| return { | ||
| 'instructions': [code], | ||
| 'wait': false, | ||
| 'warnings': warnings.length !== 0 ? warnings : undefined, | ||
| }; | ||
| } | ||
|
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| // Possible inputs: | ||
| // | ||
| // * (ident, "string" | number) | ||
| function parseStoreValue(parser) { | ||
| const elems = parser.elems; | ||
|
|
||
| if (elems.length === 0) { | ||
| return {'error': 'expected a tuple, found nothing'}; | ||
| } else if (elems.length !== 1 || elems[0].kind !== 'tuple') { | ||
| return {'error': `expected a tuple, found \`${parser.getRawArgs()}\``}; | ||
| } | ||
| const tuple = elems[0].getRaw(); | ||
| if (tuple.length !== 2) { | ||
| let err = `expected 2 elements in the tuple, found ${tuple.length} element`; | ||
| if (tuple.length > 1) { | ||
| err += 's'; | ||
| } | ||
| return {'error': err}; | ||
| } else if (tuple[0].kind !== 'ident') { | ||
| return { | ||
| 'error': 'expected first argument to be an ident, ' + | ||
| `found ${tuple[0].getArticleKind()} (\`${tuple[0].getText()}\`)`, | ||
| }; | ||
| } else if (tuple[1].kind !== 'number' && tuple[1].kind !== 'string') { | ||
| return { | ||
| 'error': `expected second argument to be a number or a string, found \ | ||
| ${tuple[1].getArticleKind()} (\`${tuple[1].getText()}\`)`, | ||
| }; | ||
| } | ||
| return { | ||
| 'instructions': [`arg.variables["${tuple[0].getText()}"] = ${tuple[1].getText()};`], | ||
| 'wait': false, | ||
| }; | ||
| } | ||
|
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| module.exports = { | ||
| 'parseStoreProperty': parseStoreProperty, | ||
| 'parseStoreValue': parseStoreValue, | ||
| }; |
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