parse GHCR error format for errors

__tests__/ghcr-client.test.ts

@@ -26,16 +26,18 @@ const headMockNoExistingBlobs = (): object => {
   // Simulate none of the blobs existing currently
   return {
     text() {
-      return 'Not Found'
+      return '{"errors": [{"code": "NOT_FOUND", "message": "blob not found."}]}'
     },
-    status: 404
+    status: 404,
+    statusText: 'Not Found'
   }
 }
 
 const headMockAllExistingBlobs = (): object => {
   // Simulate all of the blobs existing currently
   return {
-    status: 200
+    status: 200,
+    statusText: 'OK'
   }
 }
 
@@ -45,15 +47,17 @@ const headMockSomeExistingBlobs = (): object => {
   // report one as existing
   if (count === 1) {
     return {
-      status: 200
+      status: 200,
+      statusText: 'OK'
     }
   } else {
     // report all others are missing
     return {
       text() {
-        return 'Not Found'
+        return '{"errors": [{"code": "NOT_FOUND", "message": "blob not found."}]}'
       },
-      status: 404
+      status: 404,
+      statusText: 'Not Found'
     }
   }
 }
@@ -61,9 +65,11 @@ const headMockSomeExistingBlobs = (): object => {
 const headMockFailure = (): object => {
   return {
     text() {
-      return 'Failed the head request'
+      // In this case we'll simulate a response which does not use the expected error format
+      return '503 Service Unavailable'
     },
-    status: 503
+    status: 503,
+    statusText: 'Service Unavailable'
   }
 }
 
@@ -85,9 +91,11 @@ const postMockFailure = (): object => {
   // Simulate failed initiation of uploads
   return {
     text() {
-      return 'Failed the post request'
+      // In this case we'll simulate a response which does not use the expected error format
+      return '503 Service Unavailable'
     },
-    status: 503
+    status: 503,
+    statusText: 'Service Unavailable'
   }
 }
 
@@ -123,9 +131,10 @@ const putMockFailure = (): object => {
   // Simulate fails upload of all blobs & manifest
   return {
     text() {
-      return 'Failed the put request'
+      return '{"errors": [{"code": "BAD_REQUEST", "message": "tag already exists."}]}'
     },
-    status: 500
+    status: 400,
+    statusText: 'Bad Request'
   }
 }
 
@@ -134,9 +143,10 @@ const putMockFailureManifestUpload = (url: string): object => {
   if (url.includes('manifest')) {
     return {
       text() {
-        return 'Failed the put request'
+        return '{"errors": [{"code": "BAD_REQUEST", "message": "tag already exists."}]}'
       },
-      status: 500
+      status: 400,
+      statusText: 'Bad Request'
     }
   }
   return {
@@ -343,7 +353,9 @@ describe('publishOCIArtifact', () => {
         tarFile,
         testManifest
       )
-    ).rejects.toThrow(/^Unexpected response from blob check for layer/)
+    ).rejects.toThrow(
+      /^Unexpected 503 Service Unavailable response from check blob/
+    )
   })
 
   it('throws an error if initiating layer upload fails', async () => {
@@ -362,7 +374,9 @@ describe('publishOCIArtifact', () => {
         tarFile,
         testManifest
       )
-    ).rejects.toThrow('Unexpected response from POST upload 503')
+    ).rejects.toThrow(
+      'Unexpected 503 Service Unavailable response from initiate layer upload. Response Body: 503 Service Unavailable.'
+    )
   })
 
   it('throws an error if the upload endpoint does not return a location', async () => {
@@ -406,7 +420,7 @@ describe('publishOCIArtifact', () => {
         tarFile,
         testManifest
       )
-    ).rejects.toThrow(/^Unexpected response from PUT upload 500/)
+    ).rejects.toThrow(/^Unexpected 400 Bad Request response from layer/)
   })
 
   it('throws an error if a manifest upload fails', async () => {
@@ -431,7 +445,9 @@ describe('publishOCIArtifact', () => {
         tarFile,
         testManifest
       )
-    ).rejects.toThrow(/^Unexpected response from PUT manifest 500/)
+    ).rejects.toThrow(
+      'Unexpected 400 Bad Request response from manifest upload. Errors: BAD_REQUEST - tag already exists.'
+    )
   })
 
   it('throws an error if reading one of the files fails', async () => {