64 lines
1.8 KiB
JavaScript
64 lines
1.8 KiB
JavaScript
|
'use strict';
|
||
|
|
const dotProp = require('dot-prop');
|
||
|
|
const formatValue = require('./format-assert-error').formatValue;
|
||
|
|
|
||
|
|
// When adding patterns, don't forget to add to
|
||
|
|
// https://github.com/avajs/babel-preset-transform-test-files/blob/master/espower-patterns.json
|
||
|
|
// Then release a new version of that preset and bump the SemVer range here.
|
||
|
|
const PATTERNS = [
|
||
|
|
't.truthy(value, [message])',
|
||
|
|
't.falsy(value, [message])',
|
||
|
|
't.true(value, [message])',
|
||
|
|
't.false(value, [message])',
|
||
|
|
't.regex(contents, regex, [message])',
|
||
|
|
't.notRegex(contents, regex, [message])'
|
||
|
|
];
|
||
|
|
|
||
|
|
const isRangeMatch = (a, b) => {
|
||
|
|
return (a[0] === b[0] && a[1] === b[1]) ||
|
||
|
|
(a[0] > b[0] && a[0] < b[1]) ||
|
||
|
|
(a[1] > b[0] && a[1] < b[1]);
|
||
|
|
};
|
||
|
|
|
||
|
|
const computeStatement = (tokens, range) => {
|
||
|
|
return tokens
|
||
|
|
.filter(token => isRangeMatch(token.range, range))
|
||
|
|
.map(token => token.value === undefined ? token.type.label : token.value)
|
||
|
|
.join('');
|
||
|
|
};
|
||
|
|
|
||
|
|
const getNode = (ast, path) => dotProp.get(ast, path.replace(/\//g, '.'));
|
||
|
|
|
||
|
|
const formatter = context => {
|
||
|
|
const ast = JSON.parse(context.source.ast);
|
||
|
|
const tokens = JSON.parse(context.source.tokens);
|
||
|
|
const args = context.args[0].events;
|
||
|
|
|
||
|
|
return args
|
||
|
|
.map(arg => {
|
||
|
|
const range = getNode(ast, arg.espath).range;
|
||
|
|
return [computeStatement(tokens, range), formatValue(arg.value, {maxDepth: 1})];
|
||
|
|
})
|
||
|
|
.reverse();
|
||
|
|
};
|
||
|
|
|
||
|
|
const enhanceAssert = (pass, fail, assertions) => {
|
||
|
|
const empower = require('empower-core');
|
||
|
|
return empower(assertions, {
|
||
|
|
destructive: true,
|
||
|
|
onError(event) {
|
||
|
|
const error = event.error;
|
||
|
|
if (event.powerAssertContext) { // Context may be missing in internal tests.
|
||
|
|
error.statements = formatter(event.powerAssertContext);
|
||
|
|
}
|
||
|
|
fail(this, error);
|
||
|
|
},
|
||
|
|
onSuccess() {
|
||
|
|
pass(this);
|
||
|
|
},
|
||
|
|
patterns: PATTERNS,
|
||
|
|
bindReceiver: false
|
||
|
|
});
|
||
|
|
};
|
||
|
|
module.exports = enhanceAssert;
|