Files
ZacharyZcR 0612255893 test: 补充单元测试覆盖率 29.9% → 36.6%
新建 18 个测试文件,追加 30 个已有测试文件,覆盖协议解析、
错误分类、CEL 表达式求值、YAML 反序列化、字节编码等纯函数。
2026-06-17 12:51:41 +08:00

122 lines
3.5 KiB
Go

//go:build plugin_cassandra || !plugin_selective
package services
import (
"bytes"
"encoding/binary"
"errors"
"strings"
"testing"
)
func TestCQLRecvRejectsTooLargeFrame(t *testing.T) {
header := make([]byte, 9)
header[4] = cqlOpReady
binary.BigEndian.PutUint32(header[5:9], maxCQLFrameBody+1)
_, _, err := cqlRecv(bytes.NewReader(header))
if err == nil {
t.Fatal("cqlRecv() error = nil, want too-large frame error")
}
if !strings.Contains(err.Error(), "too large") {
t.Fatalf("cqlRecv() error = %v, want too large", err)
}
}
func TestCQLRecvAllowsEmptyBody(t *testing.T) {
header := make([]byte, 9)
header[4] = cqlOpReady
opcode, body, err := cqlRecv(bytes.NewReader(header))
if err != nil {
t.Fatalf("cqlRecv() error = %v", err)
}
if opcode != cqlOpReady || len(body) != 0 {
t.Fatalf("cqlRecv() opcode=%d body=%q, want ready empty body", opcode, body)
}
}
func TestValidateCQLQueryResponseRejectsErrors(t *testing.T) {
if err := validateCQLQueryResponse(cqlOpResult, []byte("rows")); err != nil {
t.Fatalf("validateCQLQueryResponse() error = %v", err)
}
if err := validateCQLQueryResponse(cqlOpError, []byte("permission denied")); err == nil {
t.Fatal("validateCQLQueryResponse() error = nil, want query error")
}
if err := validateCQLQueryResponse(cqlOpReady, nil); err == nil {
t.Fatal("validateCQLQueryResponse() error = nil, want unexpected opcode error")
}
}
func TestClassifyCassandraErrorType(t *testing.T) {
tests := []struct {
name string
err error
want ErrorType
}{
{"nil", nil, ErrorTypeUnknown},
{"auth error", errors.New("authentication failed"), ErrorTypeAuth},
{"bad credentials", errors.New("bad credentials"), ErrorTypeAuth},
{"network error", errors.New("connection refused"), ErrorTypeNetwork},
{"unknown", errors.New("random cassandra error"), ErrorTypeUnknown},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := classifyCassandraErrorType(tt.err); got != tt.want {
t.Errorf("classifyCassandraErrorType() = %v, want %v", got, tt.want)
}
})
}
}
func TestCqlShortString(t *testing.T) {
got := cqlShortString("AB")
if len(got) != 4 || binary.BigEndian.Uint16(got[:2]) != 2 || string(got[2:]) != "AB" {
t.Errorf("cqlShortString(AB) = %v", got)
}
empty := cqlShortString("")
if len(empty) != 2 || binary.BigEndian.Uint16(empty) != 0 {
t.Errorf("cqlShortString empty = %v", empty)
}
}
func TestCqlLongString(t *testing.T) {
got := cqlLongString("XYZ")
if len(got) != 7 || binary.BigEndian.Uint32(got[:4]) != 3 || string(got[4:]) != "XYZ" {
t.Errorf("cqlLongString(XYZ) = %v", got)
}
}
func TestCqlStringMap(t *testing.T) {
m := map[string]string{"k": "v"}
got := cqlStringMap(m)
if got[0] != 0x00 || got[1] != 0x01 {
t.Errorf("count bytes wrong: %v", got[:2])
}
if !bytes.Contains(got, []byte("k")) || !bytes.Contains(got, []byte("v")) {
t.Errorf("missing key/value in %v", got)
}
}
func TestExtractClusterName(t *testing.T) {
tests := []struct {
name string
data []byte
want string
}{
{"empty", nil, "unknown"},
{"short", []byte{0x01, 0x02}, "unknown"},
{"printable", append([]byte{0x00, 0x00, 0x00, 0x01}, []byte("TestCluster")...), "TestCluster"},
{"binary prefix", append([]byte{0x00, 0x00, 0x00, 0x00, 0x01, 0x02}, []byte("MyCluster")...), "MyCluster"},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := extractClusterName(tt.data)
if !strings.Contains(got, tt.want) && got != tt.want {
t.Errorf("extractClusterName() = %q, want %q", got, tt.want)
}
})
}
}