Files
sub2api/backend/internal/service/openai_content_session_seed_test.go
T
李建琦 6d655c9903
Release / update-version (push) Has been cancelled
Release / build-frontend (push) Has been cancelled
Release / release (push) Has been cancelled
Release / sync-version-file (push) Has been cancelled
CI / shell (push) Canceled after 0s
CI / test (push) Canceled after 0s
CI / frontend (push) Canceled after 0s
CI / golangci-lint (push) Canceled after 0s
Security Scan / backend-security (push) Canceled after 0s
Security Scan / frontend-security (push) Canceled after 0s
Sub2API v1.0 - AI API 网关(二开初始版本,基于上游 Wei-Shaw/sub2api)
2026-08-21 18:30:13 +08:00

551 lines
20 KiB
Go

package service
import (
"encoding/json"
"strings"
"testing"
"github.com/stretchr/testify/require"
"github.com/tidwall/gjson"
)
func TestDeriveOpenAIContentSessionSeed_EmptyInputs(t *testing.T) {
require.Empty(t, deriveOpenAIContentSessionSeed(nil))
require.Empty(t, deriveOpenAIContentSessionSeed([]byte{}))
require.Empty(t, deriveOpenAIContentSessionSeed([]byte(`{}`)))
}
func TestDeriveOpenAIContentSessionSeed_ModelOnly(t *testing.T) {
seed := deriveOpenAIContentSessionSeed([]byte(`{"model":"gpt-5.4"}`))
require.Contains(t, seed, contentSessionSeedPrefix)
require.Contains(t, seed, "model=gpt-5.4")
}
func TestDeriveOpenAIContentSessionSeed_ChatCompletions_StableAcrossTurns(t *testing.T) {
turn1 := []byte(`{
"model": "gpt-5.4",
"messages": [
{"role": "system", "content": "You are helpful."},
{"role": "user", "content": "Hello"}
]
}`)
turn2 := []byte(`{
"model": "gpt-5.4",
"messages": [
{"role": "system", "content": "You are helpful."},
{"role": "user", "content": "Hello"},
{"role": "assistant", "content": "Hi there!"},
{"role": "user", "content": "How are you?"}
]
}`)
s1 := deriveOpenAIContentSessionSeed(turn1)
s2 := deriveOpenAIContentSessionSeed(turn2)
require.Equal(t, s1, s2, "seed should be stable across later turns")
require.NotEmpty(t, s1)
}
func TestDeriveOpenAIContentSessionSeed_ChatCompletions_DifferentFirstUserDiffers(t *testing.T) {
req1 := []byte(`{"model":"gpt-5.4","messages":[{"role":"user","content":"Question A"}]}`)
req2 := []byte(`{"model":"gpt-5.4","messages":[{"role":"user","content":"Question B"}]}`)
s1 := deriveOpenAIContentSessionSeed(req1)
s2 := deriveOpenAIContentSessionSeed(req2)
require.NotEqual(t, s1, s2)
}
func TestDeriveOpenAIContentSessionSeed_ChatCompletions_DifferentSystemDiffers(t *testing.T) {
req1 := []byte(`{"model":"gpt-5.4","messages":[{"role":"system","content":"A"},{"role":"user","content":"Hi"}]}`)
req2 := []byte(`{"model":"gpt-5.4","messages":[{"role":"system","content":"B"},{"role":"user","content":"Hi"}]}`)
s1 := deriveOpenAIContentSessionSeed(req1)
s2 := deriveOpenAIContentSessionSeed(req2)
require.NotEqual(t, s1, s2)
}
func TestDeriveOpenAIContentSessionSeed_ChatCompletions_DifferentModelDiffers(t *testing.T) {
req1 := []byte(`{"model":"gpt-5.4","messages":[{"role":"user","content":"Hi"}]}`)
req2 := []byte(`{"model":"gpt-4o","messages":[{"role":"user","content":"Hi"}]}`)
s1 := deriveOpenAIContentSessionSeed(req1)
s2 := deriveOpenAIContentSessionSeed(req2)
require.NotEqual(t, s1, s2)
}
func TestDeriveOpenAIContentSessionSeed_ChatCompletions_WithTools(t *testing.T) {
withTools := []byte(`{
"model": "gpt-5.4",
"tools": [{"type":"function","function":{"name":"get_weather"}}],
"messages": [{"role": "user", "content": "Hello"}]
}`)
withoutTools := []byte(`{
"model": "gpt-5.4",
"messages": [{"role": "user", "content": "Hello"}]
}`)
s1 := deriveOpenAIContentSessionSeed(withTools)
s2 := deriveOpenAIContentSessionSeed(withoutTools)
require.NotEqual(t, s1, s2, "tools should affect the seed")
require.Contains(t, s1, "|tools=")
}
func TestDeriveOpenAIContentSessionSeed_ChatCompletions_WithFunctions(t *testing.T) {
body := []byte(`{
"model": "gpt-5.4",
"functions": [{"name":"get_weather","parameters":{}}],
"messages": [{"role": "user", "content": "Hello"}]
}`)
seed := deriveOpenAIContentSessionSeed(body)
require.Contains(t, seed, "|functions=")
}
func TestDeriveOpenAIContentSessionSeed_ChatCompletions_DeveloperRole(t *testing.T) {
body := []byte(`{
"model": "gpt-5.4",
"messages": [
{"role": "developer", "content": "You are helpful."},
{"role": "user", "content": "Hello"}
]
}`)
seed := deriveOpenAIContentSessionSeed(body)
require.Contains(t, seed, "|system=")
require.Contains(t, seed, "|first_user=")
}
func TestDeriveOpenAIContentSessionSeed_ChatCompletions_StructuredContent(t *testing.T) {
body := []byte(`{
"model": "gpt-5.4",
"messages": [
{"role": "user", "content": [{"type":"text","text":"Hello"}]}
]
}`)
seed := deriveOpenAIContentSessionSeed(body)
require.NotEmpty(t, seed)
require.Contains(t, seed, "|first_user=")
}
func TestDeriveOpenAIContentSessionSeed_ResponsesAPI_InputString(t *testing.T) {
body := []byte(`{"model":"gpt-5.4","input":"Hello, how are you?"}`)
seed := deriveOpenAIContentSessionSeed(body)
require.Contains(t, seed, "|input=Hello, how are you?")
}
func TestDeriveOpenAIContentSessionSeed_ResponsesAPI_InputArray(t *testing.T) {
body := []byte(`{
"model": "gpt-5.4",
"input": [
{"role": "system", "content": "You are helpful."},
{"role": "user", "content": "Hello"}
]
}`)
seed := deriveOpenAIContentSessionSeed(body)
require.Contains(t, seed, "|system=")
require.Contains(t, seed, "|first_user=")
}
func TestDeriveOpenAIContentSessionSeed_ResponsesAPI_WithInstructions(t *testing.T) {
body := []byte(`{
"model": "gpt-5.4",
"instructions": "You are a coding assistant.",
"input": "Write a hello world"
}`)
seed := deriveOpenAIContentSessionSeed(body)
require.Contains(t, seed, "|instructions=You are a coding assistant.")
require.Contains(t, seed, "|input=Write a hello world")
}
func TestDeriveOpenAIContentSessionSeed_Deterministic(t *testing.T) {
body := []byte(`{
"model": "gpt-5.4",
"messages": [
{"role": "system", "content": "You are helpful."},
{"role": "user", "content": "Hello"}
]
}`)
s1 := deriveOpenAIContentSessionSeed(body)
s2 := deriveOpenAIContentSessionSeed(body)
require.Equal(t, s1, s2, "seed must be deterministic")
}
func TestDeriveOpenAIContentSessionSeed_PrefixPresent(t *testing.T) {
body := []byte(`{"model":"gpt-5.4","messages":[{"role":"user","content":"Hi"}]}`)
seed := deriveOpenAIContentSessionSeed(body)
require.True(t, len(seed) > len(contentSessionSeedPrefix))
require.Equal(t, contentSessionSeedPrefix, seed[:len(contentSessionSeedPrefix)])
}
func TestDeriveOpenAIContentSessionSeed_EmptyToolsIgnored(t *testing.T) {
body := []byte(`{"model":"gpt-5.4","tools":[],"messages":[{"role":"user","content":"Hi"}]}`)
seed := deriveOpenAIContentSessionSeed(body)
require.NotContains(t, seed, "|tools=")
}
func TestDeriveOpenAIContentSessionSeed_MessagesPreferredOverInput(t *testing.T) {
body := []byte(`{
"model": "gpt-5.4",
"messages": [{"role": "user", "content": "from messages"}],
"input": "from input"
}`)
seed := deriveOpenAIContentSessionSeed(body)
require.Contains(t, seed, "|first_user=")
require.NotContains(t, seed, "|input=")
}
func TestDeriveOpenAIContentSessionSeed_JSONCanonicalisation(t *testing.T) {
compact := []byte(`{"model":"gpt-5.4","tools":[{"type":"function","function":{"name":"get_weather","description":"Get weather"}}],"messages":[{"role":"user","content":"Hi"}]}`)
spaced := []byte(`{
"model": "gpt-5.4",
"tools": [
{ "type" : "function", "function": { "description": "Get weather", "name": "get_weather" } }
],
"messages": [ { "role": "user", "content": "Hi" } ]
}`)
s1 := deriveOpenAIContentSessionSeed(compact)
s2 := deriveOpenAIContentSessionSeed(spaced)
require.Equal(t, s1, s2, "different formatting of identical JSON should produce the same seed")
}
func TestDeriveOpenAIContentSessionSeed_SingleScanMatchesLegacyBytes(t *testing.T) {
largeValue := strings.Repeat("payload", 1<<17)
tests := []struct {
name string
body []byte
}{
{
name: "large chat completions",
body: []byte(`{"metadata":"` + largeValue + `","model":"gpt-5.4","tools":[{"type":"function","function":{"name":"lookup"}}],"functions":[{"name":"legacy_lookup"}],"messages":[{"role":"system","content":"System prompt"},{"role":"developer","content":[{"type":"text","text":"Developer prompt"}]},{"role":"user","content":"Hello"}]}`),
},
{
name: "large responses",
body: []byte(`{"metadata":"` + largeValue + `","model":"gpt-5.4","instructions":"Be concise.","tools":[{"type":"function","name":"lookup"}],"input":[{"role":"system","content":"System prompt"},{"role":"user","content":[{"type":"input_text","text":"Hello"}]}]}`),
},
{
name: "fields in reverse order",
body: []byte(`{"input":"fallback input","messages":[{"role":"user","content":"chat wins"}],"instructions":"Be concise.","functions":[{"name":"lookup"}],"tools":[{"type":"function","name":"lookup"}],"model":"gpt-5.4"}`),
},
{
name: "missing and wrong type fields",
body: []byte(`{"tools":[],"functions":null,"instructions":0,"messages":{},"input":[{"type":"input_text","text":"fallback"}]}`),
},
{
name: "duplicate fields keep first value",
body: []byte(`{"model":"first","model":"second","tools":[{"name":"first"}],"tools":[{"name":"second"}],"functions":[],"functions":[{"name":"second"}],"instructions":"first","instructions":"second","messages":null,"messages":[{"role":"user","content":"second"}],"input":"first input","input":"second input"}`),
},
{
name: "escaped field names",
body: []byte(`{"mo\u0064el":"gpt-5.4","mess\u0061ges":[{"role":"user","content":"Hello"}]}`),
},
{
name: "trailing object fields are outside the root",
body: []byte(`{"foo":1}{"model":"trailing","input":"trailing input"}`),
},
{
name: "trailing quoted fields are outside the root",
body: []byte(`{"model":"root"}"input":"trailing input"`),
},
{
name: "leading garbage before the root",
body: []byte(`garbage{"model":"gpt-5.4","input":"Hello"}`),
},
{
name: "escaped braces remain inside string values",
body: []byte(`{"metadata":"escaped } and [ and \" quote","model":"root","input":"Hello"}{"model":"trailing"}`),
},
{
name: "nested braces do not end the root",
body: []byte(`{"metadata":{"nested":"} ]"},"model":"root","input":"Hello"}{"model":"trailing"}`),
},
{
name: "root array does not expose nested or trailing object fields",
body: []byte(`[{"model":"nested"}]{"model":"trailing","input":"trailing input"}`),
},
{
name: "trailing messages do not override root input",
body: []byte(`{"input":"root input"}{"messages":[{"role":"user","content":"trailing"}]}`),
},
{
name: "truncated string containing a closing brace",
body: []byte(`{"model":"root","metadata":"still } inside`),
},
{
name: "lenient truncated body",
body: []byte(`{"model":"gpt-5.4","messages":[{"role":"user","content":"Hello"}]`),
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
require.Equal(t, legacyDeriveOpenAIContentSessionSeed(test.body), deriveOpenAIContentSessionSeed(test.body))
})
}
}
func TestDeriveOpenAIContentSessionSeed_AllTruncationOffsetsMatchLegacyBytes(t *testing.T) {
bodies := []string{
`{"model":"gpt-5.4","tools":[{"type":"function","function":{"name":"lookup"}}],"functions":[{"name":"legacy"}],"instructions":"escaped \" } text","messages":[{"role":"system","content":"System"},{"role":"user","content":[{"type":"text","text":"Hello"}]}],"input":"fallback"}`,
`{"model":"gpt-5.4","instructions":"Be concise.","tools":[{"type":"function","name":"lookup"}],"input":[{"role":"system","content":"System"},{"role":"user","content":[{"type":"input_text","text":"Hello"}]}]}`,
}
for bodyIndex, body := range bodies {
for end := 1; end < len(body); end++ {
truncated := []byte(body[:end])
require.Equalf(t, legacyDeriveOpenAIContentSessionSeed(truncated), deriveOpenAIContentSessionSeed(truncated), "body %d truncated at byte %d", bodyIndex, end)
}
}
}
func legacyDeriveOpenAIContentSessionSeed(body []byte) string {
if len(body) == 0 {
return ""
}
var b strings.Builder
if model := gjson.GetBytes(body, "model").String(); model != "" {
_, _ = b.WriteString("model=")
_, _ = b.WriteString(model)
}
if tools := gjson.GetBytes(body, "tools"); tools.Exists() && tools.IsArray() && tools.Raw != "[]" {
_, _ = b.WriteString("|tools=")
_, _ = b.WriteString(normalizeCompatSeedJSON(json.RawMessage(tools.Raw)))
}
if funcs := gjson.GetBytes(body, "functions"); funcs.Exists() && funcs.IsArray() && funcs.Raw != "[]" {
_, _ = b.WriteString("|functions=")
_, _ = b.WriteString(normalizeCompatSeedJSON(json.RawMessage(funcs.Raw)))
}
if instr := gjson.GetBytes(body, "instructions").String(); instr != "" {
_, _ = b.WriteString("|instructions=")
_, _ = b.WriteString(instr)
}
firstUserCaptured := false
msgs := gjson.GetBytes(body, "messages")
if msgs.Exists() && msgs.IsArray() {
msgs.ForEach(func(_, msg gjson.Result) bool {
role := msg.Get("role").String()
switch role {
case "system", "developer":
_, _ = b.WriteString("|system=")
if c := msg.Get("content"); c.Exists() {
_, _ = b.WriteString(normalizeCompatSeedJSON(json.RawMessage(c.Raw)))
}
case "user":
if !firstUserCaptured {
_, _ = b.WriteString("|first_user=")
if c := msg.Get("content"); c.Exists() {
_, _ = b.WriteString(normalizeCompatSeedJSON(json.RawMessage(c.Raw)))
}
firstUserCaptured = true
}
}
return true
})
} else if inp := gjson.GetBytes(body, "input"); inp.Exists() {
if inp.Type == gjson.String {
_, _ = b.WriteString("|input=")
_, _ = b.WriteString(inp.String())
} else if inp.IsArray() {
inp.ForEach(func(_, item gjson.Result) bool {
role := item.Get("role").String()
switch role {
case "system", "developer":
_, _ = b.WriteString("|system=")
if c := item.Get("content"); c.Exists() {
_, _ = b.WriteString(normalizeCompatSeedJSON(json.RawMessage(c.Raw)))
}
case "user":
if !firstUserCaptured {
_, _ = b.WriteString("|first_user=")
if c := item.Get("content"); c.Exists() {
_, _ = b.WriteString(normalizeCompatSeedJSON(json.RawMessage(c.Raw)))
}
firstUserCaptured = true
}
}
if !firstUserCaptured && item.Get("type").String() == "input_text" {
_, _ = b.WriteString("|first_user=")
if text := item.Get("text").String(); text != "" {
_, _ = b.WriteString(text)
}
firstUserCaptured = true
}
return true
})
}
}
if b.Len() == 0 {
return ""
}
return contentSessionSeedPrefix + b.String()
}
func TestDeriveOpenAIContentSessionSeed_ResponsesAPI_InputTextTypedItem(t *testing.T) {
body := []byte(`{
"model": "gpt-5.4",
"input": [{"type": "input_text", "text": "Hello world"}]
}`)
seed := deriveOpenAIContentSessionSeed(body)
require.Contains(t, seed, "|first_user=")
require.Contains(t, seed, "Hello world")
}
func TestDeriveOpenAIContentSessionSeed_ResponsesAPI_TypedMessageItem(t *testing.T) {
body := []byte(`{
"model": "gpt-5.4",
"input": [{"type": "message", "role": "user", "content": "Hello from typed message"}]
}`)
seed := deriveOpenAIContentSessionSeed(body)
require.Contains(t, seed, "|first_user=")
require.Contains(t, seed, "Hello from typed message")
}
func TestDeriveOpenAIStablePrefixSessionSeed_IgnoresUserContent(t *testing.T) {
first := []byte(`{
"model": "grok",
"instructions": "Be concise.",
"tools": [{"type":"function","name":"lookup","parameters":{"type":"object"}}],
"input": [{"role":"user","content":"Question A"}]
}`)
second := []byte(`{
"model": "grok",
"instructions": "Be concise.",
"tools": [{"parameters":{"type":"object"},"name":"lookup","type":"function"}],
"input": [{"role":"user","content":"Question B"}]
}`)
firstSeed := deriveOpenAIStablePrefixSessionSeed(first)
secondSeed := deriveOpenAIStablePrefixSessionSeed(second)
require.NotEmpty(t, firstSeed)
require.Equal(t, firstSeed, secondSeed)
require.NotContains(t, firstSeed, "Question A")
require.NotContains(t, firstSeed, "first_user")
}
func TestDeriveOpenAIStablePrefixSessionSeed_IsolatesStablePrefixFields(t *testing.T) {
base := []byte(`{
"instructions":"Be concise.",
"tools":[{"type":"function","name":"lookup"}],
"input":[{"role":"system","content":"System A"},{"role":"user","content":"Question"}]
}`)
differentInstructions := []byte(`{
"instructions":"Be detailed.",
"tools":[{"type":"function","name":"lookup"}],
"input":[{"role":"system","content":"System A"},{"role":"user","content":"Question"}]
}`)
differentTools := []byte(`{
"instructions":"Be concise.",
"tools":[{"type":"function","name":"search"}],
"input":[{"role":"system","content":"System A"},{"role":"user","content":"Question"}]
}`)
differentSystem := []byte(`{
"instructions":"Be concise.",
"tools":[{"type":"function","name":"lookup"}],
"input":[{"role":"system","content":"System B"},{"role":"user","content":"Question"}]
}`)
baseSeed := deriveOpenAIStablePrefixSessionSeed(base)
require.NotEqual(t, baseSeed, deriveOpenAIStablePrefixSessionSeed(differentInstructions))
require.NotEqual(t, baseSeed, deriveOpenAIStablePrefixSessionSeed(differentTools))
require.NotEqual(t, baseSeed, deriveOpenAIStablePrefixSessionSeed(differentSystem))
}
func TestDeriveOpenAIStablePrefixSessionSeed_ChatSystemAndDeveloper(t *testing.T) {
first := []byte(`{
"messages":[
{"role":"system","content":"System prompt"},
{"role":"developer","content":[{"type":"text","text":"Developer prompt"}]},
{"role":"user","content":"Question A"}
]
}`)
second := []byte(`{
"messages":[
{"role":"system","content":"System prompt"},
{"role":"developer","content":[{"text":"Developer prompt","type":"text"}]},
{"role":"user","content":"Question B"}
]
}`)
firstSeed := deriveOpenAIStablePrefixSessionSeed(first)
require.Equal(t, firstSeed, deriveOpenAIStablePrefixSessionSeed(second))
require.Contains(t, firstSeed, "System prompt")
require.Contains(t, firstSeed, "Developer prompt")
}
func TestDeriveOpenAIStablePrefixSessionSeed_EncodesSystemAndDeveloperRoles(t *testing.T) {
systemThenDeveloper := []byte(`{
"messages":[
{"role":"system","content":"Prompt A"},
{"role":"developer","content":"Prompt B"}
]
}`)
developerThenSystem := []byte(`{
"messages":[
{"role":"developer","content":"Prompt A"},
{"role":"system","content":"Prompt B"}
]
}`)
firstSeed := deriveOpenAIStablePrefixSessionSeed(systemThenDeveloper)
secondSeed := deriveOpenAIStablePrefixSessionSeed(developerThenSystem)
require.NotEqual(t, firstSeed, secondSeed)
require.Contains(t, firstSeed, "|system=")
require.Contains(t, firstSeed, "|developer=")
}
func TestDeriveOpenAIStablePrefixSessionSeed_EncodesInstructionDelimiters(t *testing.T) {
instructionOnly := []byte(`{
"instructions":"foo|system=\"bar\""
}`)
instructionAndSystem := []byte(`{
"instructions":"foo",
"input":[{"role":"system","content":"bar"}]
}`)
firstSeed := deriveOpenAIStablePrefixSessionSeed(instructionOnly)
secondSeed := deriveOpenAIStablePrefixSessionSeed(instructionAndSystem)
require.NotEmpty(t, firstSeed)
require.NotEmpty(t, secondSeed)
require.NotEqual(t, firstSeed, secondSeed)
}
func TestDeriveOpenAIAnchoredContentSessionSeed_RequiresMeaningfulAnchor(t *testing.T) {
emptyAnchors := [][]byte{
nil,
[]byte(`{"model":"grok"}`),
[]byte(`{"model":"grok","messages":[{"role":"assistant","content":"answer"}]}`),
[]byte(`{"model":"grok","messages":[{"role":"user","content":" "}]}`),
[]byte(`{"model":"grok","messages":[{"role":"user","content":[{"type":"text","text":""}]}]}`),
[]byte(`{"model":"grok","input":" "}`),
[]byte(`{"model":"grok","input":[{"type":"input_text","text":""}]}`),
}
for _, body := range emptyAnchors {
require.Empty(t, deriveOpenAIAnchoredContentSessionSeed(body))
}
meaningfulAnchors := [][]byte{
[]byte(`{"model":"grok","messages":[{"role":"user","content":"question"}]}`),
[]byte(`{"model":"grok","messages":[{"role":"user","content":[{"type":"text","text":"question"}]}]}`),
[]byte(`{"model":"grok","input":"question"}`),
[]byte(`{"model":"grok","input":[{"type":"input_text","text":"question"}]}`),
}
for _, body := range meaningfulAnchors {
require.NotEmpty(t, deriveOpenAIAnchoredContentSessionSeed(body))
}
}
func TestDeriveOpenAIStablePrefixSessionSeed_RequiresMeaningfulPrefix(t *testing.T) {
tests := [][]byte{
nil,
[]byte(`{}`),
[]byte(`{"model":"grok","input":"Question A"}`),
[]byte(`{"model":"grok","tools":[],"input":"Question A"}`),
[]byte(`{"model":"grok","functions":[],"instructions":" ","messages":[{"role":"system","content":""},{"role":"user","content":"Question A"}]}`),
}
for _, body := range tests {
require.Empty(t, deriveOpenAIStablePrefixSessionSeed(body))
}
}