Azure diaries: can’t access KeyVault

Context: as a tenant administrator you can't inspect KeyVault contents created by other people ("you are unauthorized to view these contents"). Solution: assign yourself appropriate permissions like this: Locate the KeyVault in the Azure portal: go to "Access policies"click "+Add Access Policy"Key permissions: everything under "Key Management Operations" and "Cryptographic Operations"Accordingly for key and certificate … Continue reading Azure diaries: can’t access KeyVault

Tests are not just about testing

Tests in the context of software development have a surprisingly broad field of uses which exceeds "just" testing. Those further uses paint a more colourful picture of tests than just regression keepers. Tests as a component runtime: a test is the workbench on which the component is developed. Instead of constantly restarting an application server … Continue reading Tests are not just about testing

Error handling for failed network requests with service workers

Most service worker code samples show only the happy path where the fetched resource will eventually be available, eg: self.addEventListener('fetch', event => { // Skip cross-origin requests, like those for Google Analytics. if (event.request.url.startsWith(self.location.origin)) { event.respondWith( caches.match(event.request).then(cachedResponse => { if (cachedResponse) { return cachedResponse; } return caches.open(RUNTIME).then(cache => { return fetch(event.request).then(response => { // Put … Continue reading Error handling for failed network requests with service workers