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package request
import (
"bytes"
"encoding/json"
"io"
"reflect"
"testing"
)
func Test_ParseRequestLength_ConsidersFirstFourBytes(t *testing.T) {
// Arrange
expected := uint32(201334791) // 0x0c002007
// The first 4 bytes represent the value of `expected` in Little Endian format,
// the rest should be completely ignored during the parsing.
input := bytes.NewReader([]byte{7, 32, 0, 12, 13, 13, 13})
// Act
actual, err := parseRequestLength(input)
// Assert
if err != nil {
t.Fatalf("Error parsing request length: %v", err)
}
if expected != actual {
t.Fatalf("The actual length '%v' does not match the expected value of '%v'", actual, expected)
}
}
func Test_ParseRequestLength_ConnectionAborted(t *testing.T) {
// Arrange
expectedErr := io.ErrUnexpectedEOF
input := bytes.NewReader([]byte{7})
// Act
_, err := parseRequestLength(input)
// Assert
if expectedErr != err {
t.Fatalf("The expected error is '%v', but got '%v'", expectedErr, err)
}
}
func Test_ParseRequest_CanParse(t *testing.T) {
// Arrange
expected := &request{
Action: "list",
Settings: settings{
Stores: map[string]store{
"id1": store{
ID: "id1",
Name: "default",
Path: "~/.password-store",
},
},
},
}
jsonBytes, err := json.Marshal(expected)
if err != nil {
t.Fatal("Unable to marshal the expected object to initialize the test")
}
inputLength := uint32(len(jsonBytes))
input := bytes.NewReader(jsonBytes)
// Act
actual, err := parseRequest(inputLength, input)
// Assert
if err != nil {
t.Fatalf("Error parsing request: %v", err)
}
if !reflect.DeepEqual(expected, actual) {
t.Fatalf("The request was parsed incorrectly.\nExpected: %+v\nActual: %+v", expected, actual)
}
}
func Test_ParseRequest_WrongLength(t *testing.T) {
// Arrange
expectedErr := io.ErrUnexpectedEOF
jsonBytes, err := json.Marshal(&request{Action: "list"})
if err != nil {
t.Fatal("Unable to marshal the expected object to initialize the test")
}
wrongInputLength := uint32(len(jsonBytes)) - 1
input := bytes.NewReader(jsonBytes)
// Act
_, err = parseRequest(wrongInputLength, input)
// Assert
if expectedErr != err {
t.Fatalf("The expected error is '%v', but got '%v'", expectedErr, err)
}
}
func Test_ParseRequest_InvalidJson(t *testing.T) {
// Arrange
jsonBytes := []byte("not_a_json")
inputLength := uint32(len(jsonBytes))
input := bytes.NewReader(jsonBytes)
// Act
_, err := parseRequest(inputLength, input)
// Assert
if err == nil {
t.Fatalf("Expected a parsing error, but didn't get it")
}
}
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