mirror of
https://github.com/distribution/distribution
synced 2024-11-12 05:45:51 +01:00
195568017a
This updates API error codes to coincide with changes to the proposal. Mostly, redundant error codes were merged and missing ones were added. The set in the main errors.go file will flow back into the specification. A test case has been added to ensure ErrorCodeUnknown is included in marshaled json.
91 lines
2.7 KiB
Go
91 lines
2.7 KiB
Go
package registry
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import (
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"encoding/json"
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"testing"
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)
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// TestErrorCodes ensures that error code format, mappings and
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// marshaling/unmarshaling. round trips are stable.
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func TestErrorCodes(t *testing.T) {
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for ec := range errorCodeStrings {
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if ec.String() != errorCodeStrings[ec] {
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t.Fatalf("error code string incorrect: %q != %q", ec.String(), errorCodeStrings[ec])
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}
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if ec.Message() != errorCodesMessages[ec] {
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t.Fatalf("incorrect message for error code %v: %q != %q", ec, ec.Message(), errorCodesMessages[ec])
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}
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// Serialize the error code using the json library to ensure that we
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// get a string and it works round trip.
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p, err := json.Marshal(ec)
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if err != nil {
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t.Fatalf("error marshaling error code %v: %v", ec, err)
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}
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if len(p) <= 0 {
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t.Fatalf("expected content in marshaled before for error code %v", ec)
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}
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// First, unmarshal to interface and ensure we have a string.
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var ecUnspecified interface{}
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if err := json.Unmarshal(p, &ecUnspecified); err != nil {
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t.Fatalf("error unmarshaling error code %v: %v", ec, err)
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}
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if _, ok := ecUnspecified.(string); !ok {
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t.Fatalf("expected a string for error code %v on unmarshal got a %T", ec, ecUnspecified)
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}
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// Now, unmarshal with the error code type and ensure they are equal
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var ecUnmarshaled ErrorCode
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if err := json.Unmarshal(p, &ecUnmarshaled); err != nil {
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t.Fatalf("error unmarshaling error code %v: %v", ec, err)
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}
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if ecUnmarshaled != ec {
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t.Fatalf("unexpected error code during error code marshal/unmarshal: %v != %v", ecUnmarshaled, ec)
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}
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}
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}
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// TestErrorsManagement does a quick check of the Errors type to ensure that
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// members are properly pushed and marshaled.
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func TestErrorsManagement(t *testing.T) {
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var errs Errors
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errs.Push(ErrorCodeInvalidDigest)
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var detail DetailUnknownLayer
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detail.Unknown.BlobSum = "sometestblobsumdoesntmatter"
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errs.Push(ErrorCodeUnknownLayer, detail)
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p, err := json.Marshal(errs)
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if err != nil {
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t.Fatalf("error marashaling errors: %v", err)
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}
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expectedJSON := "{\"errors\":[{\"code\":\"INVALID_DIGEST\",\"message\":\"provided digest did not match uploaded content\"},{\"code\":\"UNKNOWN_LAYER\",\"message\":\"Referenced layer not available\",\"detail\":{\"unknown\":{\"blobSum\":\"sometestblobsumdoesntmatter\"}}}]}"
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if string(p) != expectedJSON {
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t.Fatalf("unexpected json: %q != %q", string(p), expectedJSON)
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}
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errs.Clear()
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errs.Push(ErrorCodeUnknown)
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expectedJSON = "{\"errors\":[{\"code\":\"UNKNOWN\",\"message\":\"unknown error\"}]}"
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p, err = json.Marshal(errs)
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if err != nil {
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t.Fatalf("error marashaling errors: %v", err)
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}
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if string(p) != expectedJSON {
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t.Fatalf("unexpected json: %q != %q", string(p), expectedJSON)
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}
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}
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