1package agent
2
3import (
4 "context"
5 "net/http"
6 "os"
7 "path/filepath"
8 "testing"
9 "time"
10
11 "charm.land/fantasy"
12 "charm.land/fantasy/providers/anthropic"
13 "charm.land/fantasy/providers/openai"
14 "charm.land/fantasy/providers/openaicompat"
15 "charm.land/fantasy/providers/openrouter"
16 "git.secluded.site/crush/internal/agent/prompt"
17 "git.secluded.site/crush/internal/agent/tools"
18 "git.secluded.site/crush/internal/config"
19 "git.secluded.site/crush/internal/csync"
20 "git.secluded.site/crush/internal/db"
21 "git.secluded.site/crush/internal/history"
22 "git.secluded.site/crush/internal/lsp"
23 "git.secluded.site/crush/internal/message"
24 "git.secluded.site/crush/internal/permission"
25 "git.secluded.site/crush/internal/session"
26 "github.com/charmbracelet/catwalk/pkg/catwalk"
27 "github.com/stretchr/testify/require"
28 "gopkg.in/dnaeon/go-vcr.v4/pkg/recorder"
29
30 _ "github.com/joho/godotenv/autoload"
31)
32
33// fakeEnv is an environment for testing.
34type fakeEnv struct {
35 workingDir string
36 sessions session.Service
37 messages message.Service
38 permissions permission.Service
39 history history.Service
40 lspClients *csync.Map[string, *lsp.Client]
41}
42
43type builderFunc func(t *testing.T, r *recorder.Recorder) (fantasy.LanguageModel, error)
44
45type modelPair struct {
46 name string
47 largeModel builderFunc
48 smallModel builderFunc
49}
50
51func anthropicBuilder(model string) builderFunc {
52 return func(t *testing.T, r *recorder.Recorder) (fantasy.LanguageModel, error) {
53 provider, err := anthropic.New(
54 anthropic.WithAPIKey(os.Getenv("CRUSH_ANTHROPIC_API_KEY")),
55 anthropic.WithHTTPClient(&http.Client{Transport: r}),
56 )
57 if err != nil {
58 return nil, err
59 }
60 return provider.LanguageModel(t.Context(), model)
61 }
62}
63
64func openaiBuilder(model string) builderFunc {
65 return func(t *testing.T, r *recorder.Recorder) (fantasy.LanguageModel, error) {
66 provider, err := openai.New(
67 openai.WithAPIKey(os.Getenv("CRUSH_OPENAI_API_KEY")),
68 openai.WithHTTPClient(&http.Client{Transport: r}),
69 )
70 if err != nil {
71 return nil, err
72 }
73 return provider.LanguageModel(t.Context(), model)
74 }
75}
76
77func openRouterBuilder(model string) builderFunc {
78 return func(t *testing.T, r *recorder.Recorder) (fantasy.LanguageModel, error) {
79 provider, err := openrouter.New(
80 openrouter.WithAPIKey(os.Getenv("CRUSH_OPENROUTER_API_KEY")),
81 openrouter.WithHTTPClient(&http.Client{Transport: r}),
82 )
83 if err != nil {
84 return nil, err
85 }
86 return provider.LanguageModel(t.Context(), model)
87 }
88}
89
90func zAIBuilder(model string) builderFunc {
91 return func(t *testing.T, r *recorder.Recorder) (fantasy.LanguageModel, error) {
92 provider, err := openaicompat.New(
93 openaicompat.WithBaseURL("https://api.z.ai/api/coding/paas/v4"),
94 openaicompat.WithAPIKey(os.Getenv("CRUSH_ZAI_API_KEY")),
95 openaicompat.WithHTTPClient(&http.Client{Transport: r}),
96 )
97 if err != nil {
98 return nil, err
99 }
100 return provider.LanguageModel(t.Context(), model)
101 }
102}
103
104func testEnv(t *testing.T) fakeEnv {
105 workingDir := filepath.Join("/tmp/crush-test/", t.Name())
106 os.RemoveAll(workingDir)
107
108 err := os.MkdirAll(workingDir, 0o755)
109 require.NoError(t, err)
110
111 conn, err := db.Connect(t.Context(), t.TempDir())
112 require.NoError(t, err)
113
114 q := db.New(conn)
115 sessions := session.NewService(q)
116 messages := message.NewService(q)
117
118 permissions := permission.NewPermissionService(t.Context(), workingDir, true, []string{}, nil)
119 history := history.NewService(q, conn)
120 lspClients := csync.NewMap[string, *lsp.Client]()
121
122 t.Cleanup(func() {
123 conn.Close()
124 os.RemoveAll(workingDir)
125 })
126
127 return fakeEnv{
128 workingDir,
129 sessions,
130 messages,
131 permissions,
132 history,
133 lspClients,
134 }
135}
136
137func testSessionAgent(env fakeEnv, large, small fantasy.LanguageModel, systemPrompt string, tools ...fantasy.AgentTool) SessionAgent {
138 largeModel := Model{
139 Model: large,
140 CatwalkCfg: catwalk.Model{
141 ContextWindow: 200000,
142 DefaultMaxTokens: 10000,
143 },
144 }
145 smallModel := Model{
146 Model: small,
147 CatwalkCfg: catwalk.Model{
148 ContextWindow: 200000,
149 DefaultMaxTokens: 10000,
150 },
151 }
152 agent := NewSessionAgent(SessionAgentOptions{
153 LargeModel: largeModel,
154 SmallModel: smallModel,
155 SystemPromptPrefix: "",
156 SystemPrompt: systemPrompt,
157 DisableAutoSummarize: false,
158 IsYolo: true,
159 Sessions: env.sessions,
160 Messages: env.messages,
161 Tools: tools,
162 Notifier: nil,
163 NotificationCtx: context.Background(),
164 })
165 return agent
166}
167
168func coderAgent(r *recorder.Recorder, env fakeEnv, large, small fantasy.LanguageModel) (SessionAgent, error) {
169 fixedTime := func() time.Time {
170 t, _ := time.Parse("1/2/2006", "1/1/2025")
171 return t
172 }
173 prompt, err := coderPrompt(
174 prompt.WithTimeFunc(fixedTime),
175 prompt.WithPlatform("linux"),
176 prompt.WithWorkingDir(filepath.ToSlash(env.workingDir)),
177 )
178 if err != nil {
179 return nil, err
180 }
181 cfg, err := config.Init(env.workingDir, "", false)
182 if err != nil {
183 return nil, err
184 }
185
186 systemPrompt, err := prompt.Build(context.TODO(), large.Provider(), large.Model(), *cfg)
187 if err != nil {
188 return nil, err
189 }
190 allTools := []fantasy.AgentTool{
191 tools.NewBashTool(env.permissions, env.workingDir, cfg.Options.Attribution),
192 tools.NewDownloadTool(env.permissions, env.workingDir, r.GetDefaultClient()),
193 tools.NewEditTool(env.lspClients, env.permissions, env.history, env.workingDir),
194 tools.NewMultiEditTool(env.lspClients, env.permissions, env.history, env.workingDir),
195 tools.NewFetchTool(env.permissions, env.workingDir, r.GetDefaultClient()),
196 tools.NewGlobTool(env.workingDir),
197 tools.NewGrepTool(env.workingDir),
198 tools.NewLsTool(env.permissions, env.workingDir, cfg.Tools.Ls),
199 tools.NewSourcegraphTool(r.GetDefaultClient()),
200 tools.NewViewTool(env.lspClients, env.permissions, env.workingDir),
201 tools.NewWriteTool(env.lspClients, env.permissions, env.history, env.workingDir),
202 }
203
204 return testSessionAgent(env, large, small, systemPrompt, allTools...), nil
205}
206
207// createSimpleGoProject creates a simple Go project structure in the given directory.
208// It creates a go.mod file and a main.go file with a basic hello world program.
209func createSimpleGoProject(t *testing.T, dir string) {
210 goMod := `module example.com/testproject
211
212go 1.23
213`
214 err := os.WriteFile(dir+"/go.mod", []byte(goMod), 0o644)
215 require.NoError(t, err)
216
217 mainGo := `package main
218
219import "fmt"
220
221func main() {
222 fmt.Println("Hello, World!")
223}
224`
225 err = os.WriteFile(dir+"/main.go", []byte(mainGo), 0o644)
226 require.NoError(t, err)
227}