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assertHttpRequest.go
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assertHttpRequest.go
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package testing
import (
"bytes"
"github.com/stretchr/testify/assert"
"io/ioutil"
"net/http"
"testing"
)
type KeyValueStr struct {
Key string
Value string
}
//RequestExpectation contains expectation info for a http request
type RequestExpectation struct {
IsNilRequestExpected bool
ExpectedURL StringExpectation
ExpectedMethod StringExpectation
ExpectedHeaders []KeyValueStr
ExpectedBody StringExpectation
}
//StringExpectation defines string assertion rule, if IsActive is false expectation is disabled
type StringExpectation struct {
Value string
IsActive bool
}
//NewStringExpectation creates active expectation
func NewStringExpectation(value string) StringExpectation {
return StringExpectation{Value: value, IsActive: true}
}
//AssertRequestEqual asserts that the expectations match the actual request
func AssertRequestEqual(t *testing.T, re RequestExpectation, actualRequest *http.Request) {
if re.IsNilRequestExpected && actualRequest == nil {
return
}
if actualRequest == nil {
assert.Fail(t, "Actual request is nil, but no nil request is expected")
return
}
if re.IsNilRequestExpected {
assert.Fail(t, "Actual request is not nil, but a nil request is expected")
return
}
if re.ExpectedURL.IsActive {
assert.Equal(t, re.ExpectedURL.Value, actualRequest.URL.String())
}
if re.ExpectedMethod.IsActive {
assert.Equal(t, re.ExpectedMethod.Value, actualRequest.Method)
}
if len(re.ExpectedHeaders) > 0 {
for _, expHeader := range re.ExpectedHeaders {
actualHeaderVal := actualRequest.Header.Get(expHeader.Key)
assert.Equal(t, expHeader.Value, actualHeaderVal)
}
}
if re.ExpectedBody.IsActive {
bodyBytes, err := ioutil.ReadAll(actualRequest.Body)
assert.NoError(t, err)
if err == nil {
actualRequest.Body = ioutil.NopCloser(bytes.NewBuffer(bodyBytes))
assert.Equal(t, re.ExpectedBody.Value, string(bodyBytes))
}
}
}