forked from mirrors/docker-distribution
78 lines
2.4 KiB
Go
78 lines
2.4 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: %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(ErrorCodeInvalidChecksum)
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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_CHECKSUM\",\"message\":\"provided checksum 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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}
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