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Add ability to change looks-same threshold #21

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Add ability to change looks-same threshold #21

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4 changes: 2 additions & 2 deletions screenshot_helper/screenshot_helper.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,7 @@ let looksSame: LooksSame = require('looks-same');

* saved.
*/
export async function compareScreenshot(data, golden, outputFolder = undefined): Promise<string> {
export async function compareScreenshot(data, golden, outputFolder = undefined, compareTolerance = 2.5): Promise<string> {
return new Promise<string>(async (resolve, reject) => {
const tempFolder = createTempFolder();
const screenshotPath = await writeScreenshot(tempFolder, data);
Expand All @@ -46,7 +46,7 @@ export async function compareScreenshot(data, golden, outputFolder = undefined):
const goldenName = path.basename(golden);
looksSame(screenshotPath, golden, {
strict: false,
tolerance: 2.5,
tolerance: compareThreshold,
}, async (error, equal) => {
if (error) {
reject("There has been an error. Error: " + error);
Expand Down