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 "charm.land/x/vcr"
17 "git.secluded.site/crush/internal/agent/prompt"
18 "git.secluded.site/crush/internal/agent/tools"
19 "git.secluded.site/crush/internal/config"
20 "git.secluded.site/crush/internal/csync"
21 "git.secluded.site/crush/internal/db"
22 "git.secluded.site/crush/internal/history"
23 "git.secluded.site/crush/internal/lsp"
24 "git.secluded.site/crush/internal/message"
25 "git.secluded.site/crush/internal/permission"
26 "git.secluded.site/crush/internal/session"
27 "github.com/charmbracelet/catwalk/pkg/catwalk"
28 "github.com/stretchr/testify/require"
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 *vcr.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 *vcr.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 *vcr.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 *vcr.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 *vcr.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 *vcr.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 // NOTE(@andreynering): Set a fixed config to ensure cassettes match
187 // independently of user config on `$HOME/.config/crush/crush.json`.
188 cfg.Options.Attribution = &config.Attribution{
189 TrailerStyle: "co-authored-by",
190 GeneratedWith: true,
191 }
192
193 systemPrompt, err := prompt.Build(context.TODO(), large.Provider(), large.Model(), *cfg)
194 if err != nil {
195 return nil, err
196 }
197
198 // Get the model name for the bash tool
199 modelName := large.Model() // fallback to ID if Name not available
200 if model := cfg.GetModel(large.Provider(), large.Model()); model != nil {
201 modelName = model.Name
202 }
203
204 allTools := []fantasy.AgentTool{
205 tools.NewBashTool(env.permissions, env.workingDir, cfg.Options.Attribution, modelName),
206 tools.NewDownloadTool(env.permissions, env.workingDir, r.GetDefaultClient()),
207 tools.NewEditTool(env.lspClients, env.permissions, env.history, env.workingDir),
208 tools.NewMultiEditTool(env.lspClients, env.permissions, env.history, env.workingDir),
209 tools.NewFetchTool(env.permissions, env.workingDir, r.GetDefaultClient()),
210 tools.NewGlobTool(env.workingDir),
211 tools.NewGrepTool(env.workingDir),
212 tools.NewLsTool(env.permissions, env.workingDir, cfg.Tools.Ls),
213 tools.NewSourcegraphTool(r.GetDefaultClient()),
214 tools.NewViewTool(env.lspClients, env.permissions, env.workingDir),
215 tools.NewWriteTool(env.lspClients, env.permissions, env.history, env.workingDir),
216 }
217
218 return testSessionAgent(env, large, small, systemPrompt, allTools...), nil
219}
220
221// createSimpleGoProject creates a simple Go project structure in the given directory.
222// It creates a go.mod file and a main.go file with a basic hello world program.
223func createSimpleGoProject(t *testing.T, dir string) {
224 goMod := `module example.com/testproject
225
226go 1.23
227`
228 err := os.WriteFile(dir+"/go.mod", []byte(goMod), 0o644)
229 require.NoError(t, err)
230
231 mainGo := `package main
232
233import "fmt"
234
235func main() {
236 fmt.Println("Hello, World!")
237}
238`
239 err = os.WriteFile(dir+"/main.go", []byte(mainGo), 0o644)
240 require.NoError(t, err)
241}