snapFilenameExtension breaks snapshot comparison

[maximegheraille]

Hi,

I configured snapFilenameExtension to an empty string to not have the .snap for each snapshot, but it does seems to break everything.

these are the issues it creates

• does not fail the test if the snapshot is different
• it modifies the original snapshot

it does however still creates a .diff snapshot, which is normal.

this is my current config

		const options: CypressImageSnapshotOptions = {
			failureThreshold: 0.1,
			allowSizeMismatch: true,
			failureThresholdType: 'percent',
			capture: 'viewport',
			comparisonMethod: 'ssim',
			customSnapshotsDir: `./cypress/reports/mochareports/snapshots/something`,
			e2eSpecDir: Cypress.spec.relative,
			snapFilenameExtension: '',
		};

I tried to remove the snapFilenameExtension and add the .snap on each snapshot and then everything works fine.

[simonsmith]

Just to clarify the issue, you were aiming to not have the .snap at all?

- cypress/snapshots/someTest/takes a snapshot of the page.snap.png
+ cypress/snapshots/someTest/takes a snapshot of the page.png

[maximegheraille]

Hi @simonsmith

That is what I indeed want, but it seems that using the option breaks stuff