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write_json_test.go
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104 lines (94 loc) · 2.17 KB
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package utils_test
import (
"fmt"
"net/http"
"net/http/httptest"
"testing"
"github.com/loickreitmann/utils"
)
type Node struct {
Value string
NextNode *Node
}
var (
sampleResponseHeaderProps = map[string]string{
"X-Content-Type-Options": "nosniff",
"X-Frame-Options": "deny",
}
goodJSON = utils.JSONResponse{
Error: nil,
Data: struct {
Foo string
}{
Foo: "bar",
},
}
errorJSON = utils.JSONResponse{
Error: utils.JSONError{
Code: fmt.Sprint(http.StatusForbidden),
Message: "unauthorized request",
},
Data: nil,
}
testCases = []struct {
name string
errorExpected bool
status int
payload utils.JSONResponse
headerProps map[string]string
}{
{
name: "send good payload",
errorExpected: false,
status: http.StatusOK,
payload: goodJSON,
headerProps: sampleResponseHeaderProps,
},
{
name: "send error payload",
errorExpected: false,
status: http.StatusForbidden,
payload: errorJSON,
headerProps: sampleResponseHeaderProps,
},
{
name: "no custom headers",
errorExpected: false,
status: http.StatusForbidden,
payload: goodJSON,
headerProps: nil,
},
{
name: "cyclic data structure to cause marshalling error",
errorExpected: true,
status: http.StatusForbidden,
payload: cyclicDataStructure(),
headerProps: nil,
},
}
)
func TestUtils_WriteJSON(t *testing.T) {
var testUtils utils.Utils
var err error
for _, testCase := range testCases {
// ARRANGE
rr := httptest.NewRecorder()
headers := make(http.Header)
for prop, value := range testCase.headerProps {
headers.Add(prop, value)
}
// ACT
if testCase.headerProps != nil {
err = testUtils.WriteJSON(rr, testCase.status, testCase.payload, headers)
} else {
err = testUtils.WriteJSON(rr, testCase.status, testCase.payload)
}
// ASSERT
if !testCase.errorExpected && err != nil {
t.Errorf("[%s]: failed to write JSON: %v", testCase.name, err)
}
if testCase.errorExpected && err == nil {
t.Errorf("[%s]: exxpected an error for this test but got none", testCase.name)
}
}
}