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controller_test.go
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controller_test.go
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package gintestutil
import (
"bytes"
"encoding/json"
"io"
"net/http"
"strings"
"testing"
"github.com/stretchr/testify/assert"
)
type testObject struct {
Name string
}
func TestSuccessResponse_ReturnsExpectedResult(t *testing.T) {
t.Parallel()
tests := map[string]struct {
code int
response *http.Response
responseBody any
expected bool
}{
"no content": {
code: http.StatusNoContent,
response: &http.Response{StatusCode: http.StatusNoContent},
expected: true,
// This should not be read
responseBody: "{{{}{}{{[][}",
},
"not modified": {
code: http.StatusNotModified,
response: &http.Response{StatusCode: http.StatusNotModified},
expected: true,
// This should not be read
responseBody: "{{{}{}{{[][}",
},
"accepted": {
code: http.StatusAccepted,
response: &http.Response{StatusCode: http.StatusAccepted},
expected: true,
},
"bad request": {
code: http.StatusBadRequest,
response: &http.Response{StatusCode: http.StatusOK},
expected: false,
},
"broken json": {
code: http.StatusOK,
response: &http.Response{StatusCode: http.StatusOK},
responseBody: "{{{}{}{{[][}",
expected: false,
},
}
for name, testData := range tests {
testData := testData
t.Run(name, func(t *testing.T) {
t.Parallel()
// Arrange
testingObject := new(mockT)
jsonData, _ := json.Marshal(testData.responseBody)
testData.response.Body = io.NopCloser(bytes.NewBuffer(jsonData))
// Act
ok := Response(testingObject, &testObject{}, testData.code, testData.response)
// Assert
assert.Equal(t, testData.expected, ok)
})
}
}
func TestSuccessResponse_ReturnsData(t *testing.T) {
t.Parallel()
// Arrange
testingObject := new(mockT)
type testObject struct {
Name string `json:"name"`
Other float64 `json:"other"`
}
object := testObject{Name: "abc", Other: 23}
jsonData, _ := json.Marshal(object)
response := &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(bytes.NewBuffer(jsonData)),
}
var result testObject
// Act
ok := Response(testingObject, &result, http.StatusOK, response)
// Assert
assert.Equal(t, object, result)
assert.True(t, ok)
}
func TestSuccessResponse_FailsOnNoBody(t *testing.T) {
t.Parallel()
// Arrange
testingObject := new(mockT)
response := &http.Response{
Body: io.NopCloser(strings.NewReader("")),
StatusCode: http.StatusOK,
}
var result testObject
// Act
ok := Response(testingObject, result, http.StatusOK, response)
// Assert
assert.Empty(t, result)
assert.False(t, ok)
}
func TestSuccessResponse_FailsOnUnmarshall(t *testing.T) {
t.Parallel()
// Arrange
testingObject := new(mockT)
response := &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(strings.NewReader("test")),
}
var result testObject
// Act
ok := Response(testingObject, result, http.StatusOK, response)
// Assert
assert.Empty(t, result)
assert.False(t, ok)
}