diff options
Diffstat (limited to 'test/runner/reporter.js')
| -rw-r--r-- | test/runner/reporter.js | 73 |
1 files changed, 47 insertions, 26 deletions
diff --git a/test/runner/reporter.js b/test/runner/reporter.js index c70c6d80c..1c7467d6c 100644 --- a/test/runner/reporter.js +++ b/test/runner/reporter.js @@ -3,6 +3,18 @@ import { getBrowserString } from "./lib/getBrowserString.js"; import { prettyMs } from "./lib/prettyMs.js"; import * as Diff from "diff"; +function serializeForDiff( value ) { + + // Use naive serialization for everything except types with confusable values + if ( typeof value === "string" ) { + return JSON.stringify( value ); + } + if ( typeof value === "bigint" ) { + return `${ value }n`; + } + return `${ value }`; +} + export function reportTest( test, reportId, { browser, headless } ) { if ( test.status === "passed" ) { @@ -25,15 +37,19 @@ export function reportTest( test, reportId, { browser, headless } ) { message += `\n${ error.message }`; } message += `\n${ chalk.gray( error.stack ) }`; - if ( "expected" in error && "actual" in error ) { - message += `\nexpected: ${ JSON.stringify( error.expected ) }`; - message += `\nactual: ${ JSON.stringify( error.actual ) }`; + + // Show expected and actual values + // if either is defined and non-null. + // error.actual is set to null for failed + // assert.expect() assertions, so skip those as well. + // This should be fine because error.expected would + // have to also be null for this to be skipped. + if ( error.expected != null || error.actual != null ) { + message += `\nexpected: ${ chalk.red( JSON.stringify( error.expected ) ) }`; + message += `\nactual: ${ chalk.green( JSON.stringify( error.actual ) ) }`; let diff; - if ( - Array.isArray( error.expected ) && - Array.isArray( error.actual ) - ) { + if ( Array.isArray( error.expected ) && Array.isArray( error.actual ) ) { // Diff arrays diff = Diff.diffArrays( error.expected, error.actual ); @@ -46,7 +62,7 @@ export function reportTest( test, reportId, { browser, headless } ) { diff = Diff.diffJson( error.expected, error.actual ); } else if ( typeof error.expected === "number" && - typeof error.expected === "number" + typeof error.actual === "number" ) { // Diff numbers directly @@ -57,30 +73,35 @@ export function reportTest( test, reportId, { browser, headless } ) { diff = [ { removed: true, value: `${ value }` } ]; } } else if ( - typeof error.expected === "boolean" && - typeof error.actual === "boolean" + typeof error.expected === "string" && + typeof error.actual === "string" ) { - // Show the actual boolean in red - diff = [ { removed: true, value: `${ error.actual }` } ]; + // Diff the characters of strings + diff = Diff.diffChars( error.expected, error.actual ); } else { - // Diff everything else as characters - diff = Diff.diffChars( `${ error.expected }`, `${ error.actual }` ); + // Diff everything else as words + diff = Diff.diffWords( + serializeForDiff( error.expected ), + serializeForDiff( error.actual ) + ); } - message += "\n"; - message += diff - .map( ( part ) => { - if ( part.added ) { - return chalk.green( part.value ); - } - if ( part.removed ) { - return chalk.red( part.value ); - } - return chalk.gray( part.value ); - } ) - .join( "" ); + if ( diff ) { + message += "\n"; + message += diff + .map( ( part ) => { + if ( part.added ) { + return chalk.green( part.value ); + } + if ( part.removed ) { + return chalk.red( part.value ); + } + return chalk.gray( part.value ); + } ) + .join( "" ); + } } } } |