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|
package gwacl
import (
"errors"
"fmt"
. "launchpad.net/gocheck"
"net/http"
)
type httpErrorSuite struct{}
var _ = Suite(&httpErrorSuite{})
func (suite *httpErrorSuite) TestNewHTTPErrorParsesAzureError(c *C) {
description := "upload failed"
status := 415
code := "CannotUpload"
message := "Unknown data format"
xml := fmt.Sprintf(`<Error>
<Code>%s</Code>
<Message>%s</Message>
</Error>`,
code, message)
httpErr := newHTTPError(status, []byte(xml), description)
azureErr, ok := httpErr.(*AzureError)
c.Assert(ok, Equals, true)
c.Check(azureErr.StatusCode(), Equals, status)
c.Check(azureErr.Code, Equals, code)
c.Check(azureErr.Message, Equals, message)
c.Check(httpErr, ErrorMatches, ".*"+description+".*")
c.Check(httpErr, ErrorMatches, ".*415: Unsupported Media Type.*")
}
func (suite *httpErrorSuite) TestNewHTTPErrorResortsToServerError(c *C) {
description := "could not talk to server"
status := 505
httpErr := newHTTPError(status, []byte{}, description)
_, ok := httpErr.(*ServerError)
c.Assert(ok, Equals, true)
c.Check(httpErr.StatusCode(), Equals, status)
c.Check(httpErr, ErrorMatches, ".*505: HTTP Version Not Supported.*")
c.Check(httpErr, ErrorMatches, ".*"+description+".*")
}
func (suite *httpErrorSuite) TestAzureErrorComposesError(c *C) {
description := "something failed"
status := 410
httpErr := AzureError{
error: errors.New(description),
HTTPStatus: HTTPStatus(status),
Code: "MissingError",
Message: "Your object has disappeared",
}
c.Check(httpErr.Error(), Equals, "something failed: MissingError - Your object has disappeared (http code 410: Gone)")
}
func (suite *httpErrorSuite) TestServerErrorComposesError(c *C) {
description := "something failed"
status := 501
httpErr := ServerError{
error: errors.New(description),
HTTPStatus: HTTPStatus(status),
}
c.Check(httpErr.Error(), Equals, "something failed (501: Not Implemented)")
}
func (suite *httpErrorSuite) TestNewAzureErrorFromOperation(c *C) {
status := http.StatusConflict
code := MakeRandomString(7)
message := MakeRandomString(20)
// Test body copied from Azure documentation, mutatis mutandi.
body := fmt.Sprintf(`
<?xml version="1.0" encoding="utf-8"?>
<Operation xmlns="http://schemas.microsoft.com/windowsazure">
<ID>%s</ID>
<Status>Failed</Status>
<HttpStatusCode>%d</HttpStatusCode>
<Error>
<Code>%s</Code>
<Message>%s</Message>
</Error>
</Operation>
`,
MakeRandomString(5), status, code, message)
operation := Operation{}
operation.Deserialize([]byte(body))
err := newAzureErrorFromOperation(&operation)
c.Check(err.HTTPStatus, Equals, HTTPStatus(status))
c.Check(err.Code, Equals, code)
c.Check(err.Message, Equals, message)
}
func (suite *httpErrorSuite) TestExtendErrorExtendsGenericError(c *C) {
errorString := "an-error"
error := fmt.Errorf(errorString)
additionalErrorMsg := "additional message"
newError := extendError(error, additionalErrorMsg)
c.Check(newError.Error(), Equals, fmt.Sprintf("%s%s", additionalErrorMsg, error.Error()))
}
func (suite *httpErrorSuite) TestExtendErrorExtendsServerError(c *C) {
err := &ServerError{
error: errors.New("could not talk to server"),
HTTPStatus: HTTPStatus(http.StatusGatewayTimeout),
}
additionalErrorMsg := "additional message: "
newError := extendError(err, additionalErrorMsg)
newServerError, ok := newError.(*ServerError)
c.Assert(ok, Equals, true)
c.Check(newError.Error(), Equals, additionalErrorMsg+err.Error())
c.Check(newServerError.HTTPStatus, Equals, err.HTTPStatus)
}
func (suite *httpErrorSuite) TestExtendErrorExtendsAzureError(c *C) {
err := &AzureError{
error: errors.New("could not talk to server"),
HTTPStatus: HTTPStatus(http.StatusGatewayTimeout),
}
additionalErrorMsg := "additional message: "
newError := extendError(err, additionalErrorMsg)
newAzureError, ok := newError.(*AzureError)
c.Assert(ok, Equals, true)
c.Check(newError.Error(), Equals, additionalErrorMsg+err.Error())
c.Check(newAzureError.HTTPStatus, Equals, err.HTTPStatus)
}
func (suite *httpErrorSuite) TestIsNotFound(c *C) {
var testValues = []struct {
err error
expectedResult bool
}{
{fmt.Errorf("generic error"), false},
{&AzureError{HTTPStatus: HTTPStatus(http.StatusOK)}, false},
{&AzureError{HTTPStatus: HTTPStatus(http.StatusNotFound)}, true},
{&AzureError{HTTPStatus: HTTPStatus(http.StatusInternalServerError)}, false},
{&ServerError{HTTPStatus: HTTPStatus(http.StatusOK)}, false},
{&ServerError{HTTPStatus: HTTPStatus(http.StatusNotFound)}, true},
{&ServerError{HTTPStatus: HTTPStatus(http.StatusInternalServerError)}, false},
}
for _, test := range testValues {
c.Check(IsNotFoundError(test.err), Equals, test.expectedResult)
}
}
|