1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
package appconfig
import (
"encoding/json"
"io"
"log"
"os"
"path/filepath"
"reflect"
"strings"
"testing"
)
func newLogger() *log.Logger { return log.New(io.Discard, "", 0) }
func writeJSON(t *testing.T, path string, v any) {
t.Helper()
if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil {
t.Fatalf("mkdir: %v", err)
}
f, err := os.Create(path)
if err != nil {
t.Fatalf("create: %v", err)
}
defer f.Close()
enc := json.NewEncoder(f)
if err := enc.Encode(v); err != nil {
t.Fatalf("encode json: %v", err)
}
}
func withEnv(t *testing.T, k, v string) {
t.Helper()
old := os.Getenv(k)
_ = os.Setenv(k, v)
t.Cleanup(func() { _ = os.Setenv(k, old) })
}
func TestLoad_Defaults_NoLogger(t *testing.T) {
cfg := Load(nil)
if cfg.MaxTokens == 0 || cfg.ContextMode == "" || cfg.ContextWindowLines == 0 || cfg.MaxContextTokens == 0 {
t.Fatalf("expected defaults populated, got %+v", cfg)
}
if cfg.CodingTemperature == nil {
t.Fatalf("expected default CodingTemperature")
}
}
func TestLoad_Defaults_WithLogger_NoFile_NoEnv(t *testing.T) {
t.Setenv("XDG_CONFIG_HOME", t.TempDir())
logger := newLogger()
cfg := Load(logger)
def := newDefaultConfig()
if cfg.MaxTokens != def.MaxTokens || cfg.ContextMode != def.ContextMode || cfg.ContextWindowLines != def.ContextWindowLines {
t.Fatalf("expected defaults; got %+v want %+v", cfg, def)
}
}
func TestLoad_FileMerge_And_EnvOverride(t *testing.T) {
dir := t.TempDir()
t.Setenv("XDG_CONFIG_HOME", dir)
cfgPath := filepath.Join(dir, "hexai", "config.json")
temp0 := 0.0
fileCfg := App{
MaxTokens: 123,
ContextMode: "file-on-new-func",
ContextWindowLines: 50,
MaxContextTokens: 999,
LogPreviewLimit: 0,
CodingTemperature: &temp0,
ManualInvokeMinPrefix: 2,
CompletionDebounceMs: 150,
CompletionThrottleMs: 300,
TriggerCharacters: []string{".", ":"},
Provider: "openai",
OpenAIBaseURL: "https://api.example",
OpenAIModel: "gpt-x",
OpenAITemperature: &temp0,
OllamaBaseURL: "http://ollama",
OllamaModel: "llama",
OllamaTemperature: &temp0,
CopilotBaseURL: "http://copilot",
CopilotModel: "ghost",
CopilotTemperature: &temp0,
}
writeJSON(t, cfgPath, fileCfg)
// Env overrides take precedence
withEnv(t, "HEXAI_MAX_TOKENS", "321")
withEnv(t, "HEXAI_CONTEXT_MODE", "always-full")
withEnv(t, "HEXAI_CONTEXT_WINDOW_LINES", "77")
withEnv(t, "HEXAI_MAX_CONTEXT_TOKENS", "888")
withEnv(t, "HEXAI_LOG_PREVIEW_LIMIT", "7")
withEnv(t, "HEXAI_CODING_TEMPERATURE", "0.7")
withEnv(t, "HEXAI_MANUAL_INVOKE_MIN_PREFIX", "5")
withEnv(t, "HEXAI_COMPLETION_DEBOUNCE_MS", "333")
withEnv(t, "HEXAI_COMPLETION_THROTTLE_MS", "444")
withEnv(t, "HEXAI_TRIGGER_CHARACTERS", "., / ,_")
withEnv(t, "HEXAI_PROVIDER", "ollama")
withEnv(t, "HEXAI_OPENAI_BASE_URL", "https://override")
withEnv(t, "HEXAI_OPENAI_MODEL", "gpt-override")
withEnv(t, "HEXAI_OPENAI_TEMPERATURE", "0.4")
withEnv(t, "HEXAI_OLLAMA_BASE_URL", "http://ollama-override")
withEnv(t, "HEXAI_OLLAMA_MODEL", "mistral")
withEnv(t, "HEXAI_OLLAMA_TEMPERATURE", "0.6")
withEnv(t, "HEXAI_COPILOT_BASE_URL", "http://copilot-override")
withEnv(t, "HEXAI_COPILOT_MODEL", "ghost-override")
withEnv(t, "HEXAI_COPILOT_TEMPERATURE", "0.3")
logger := newLogger()
cfg := Load(logger)
// Check overrides
if cfg.MaxTokens != 321 || cfg.ContextMode != "always-full" || cfg.ContextWindowLines != 77 || cfg.MaxContextTokens != 888 {
t.Fatalf("env overrides (basic) not applied: %+v", cfg)
}
if cfg.LogPreviewLimit != 7 || cfg.ManualInvokeMinPrefix != 5 || cfg.CompletionDebounceMs != 333 || cfg.CompletionThrottleMs != 444 {
t.Fatalf("env overrides (ints) not applied: %+v", cfg)
}
if cfg.CodingTemperature == nil || *cfg.CodingTemperature != 0.7 {
t.Fatalf("env override (CodingTemperature) not applied: %+v", cfg.CodingTemperature)
}
if want := []string{".", "/", "_"}; !reflect.DeepEqual(cfg.TriggerCharacters, want) {
t.Fatalf("env override (TriggerCharacters), got %v want %v", cfg.TriggerCharacters, want)
}
if cfg.Provider != "ollama" {
t.Fatalf("provider override failed: %q", cfg.Provider)
}
// Provider-specific
if cfg.OpenAIBaseURL != "https://override" || cfg.OpenAIModel != "gpt-override" || cfg.OpenAITemperature == nil || *cfg.OpenAITemperature != 0.4 {
t.Fatalf("openai overrides not applied: %+v", cfg)
}
if cfg.OllamaBaseURL != "http://ollama-override" || cfg.OllamaModel != "mistral" || cfg.OllamaTemperature == nil || *cfg.OllamaTemperature != 0.6 {
t.Fatalf("ollama overrides not applied: %+v", cfg)
}
if cfg.CopilotBaseURL != "http://copilot-override" || cfg.CopilotModel != "ghost-override" || cfg.CopilotTemperature == nil || *cfg.CopilotTemperature != 0.3 {
t.Fatalf("copilot overrides not applied: %+v", cfg)
}
// Ensure file values would have applied absent env
// Spot-check: reset env and reload
for _, k := range []string{
"HEXAI_MAX_TOKENS", "HEXAI_CONTEXT_MODE", "HEXAI_CONTEXT_WINDOW_LINES", "HEXAI_MAX_CONTEXT_TOKENS", "HEXAI_LOG_PREVIEW_LIMIT", "HEXAI_CODING_TEMPERATURE", "HEXAI_MANUAL_INVOKE_MIN_PREFIX", "HEXAI_COMPLETION_DEBOUNCE_MS", "HEXAI_COMPLETION_THROTTLE_MS", "HEXAI_TRIGGER_CHARACTERS", "HEXAI_PROVIDER", "HEXAI_OPENAI_BASE_URL", "HEXAI_OPENAI_MODEL", "HEXAI_OPENAI_TEMPERATURE", "HEXAI_OLLAMA_BASE_URL", "HEXAI_OLLAMA_MODEL", "HEXAI_OLLAMA_TEMPERATURE", "HEXAI_COPILOT_BASE_URL", "HEXAI_COPILOT_MODEL", "HEXAI_COPILOT_TEMPERATURE",
} {
t.Setenv(k, "")
}
cfg2 := Load(logger)
if cfg2.MaxTokens != 123 || cfg2.ContextMode != "file-on-new-func" || cfg2.ContextWindowLines != 50 || cfg2.MaxContextTokens != 999 || cfg2.LogPreviewLimit != 0 {
t.Fatalf("file merge not applied: %+v", cfg2)
}
if cfg2.CodingTemperature == nil || *cfg2.CodingTemperature != 0.0 {
t.Fatalf("file merge (CodingTemperature) not applied: %+v", cfg2.CodingTemperature)
}
if cfg2.OpenAIBaseURL != "https://api.example" || cfg2.OpenAIModel != "gpt-x" || cfg2.OpenAITemperature == nil || *cfg2.OpenAITemperature != 0.0 {
t.Fatalf("file merge (openai) not applied: %+v", cfg2)
}
}
func TestGetConfigPath_XDG(t *testing.T) {
dir := t.TempDir()
t.Setenv("XDG_CONFIG_HOME", dir)
path, err := getConfigPath()
if err != nil {
t.Fatalf("getConfigPath: %v", err)
}
if !strings.HasPrefix(path, filepath.Join(dir, "hexai")) || !strings.HasSuffix(path, "config.json") {
t.Fatalf("unexpected path: %s", path)
}
}
func TestLoadFromFile_InvalidJSON(t *testing.T) {
dir := t.TempDir()
t.Setenv("XDG_CONFIG_HOME", dir)
cfgPath := filepath.Join(dir, "hexai", "config.json")
if err := os.MkdirAll(filepath.Dir(cfgPath), 0o755); err != nil {
t.Fatal(err)
}
if err := os.WriteFile(cfgPath, []byte("{ invalid"), 0o644); err != nil {
t.Fatal(err)
}
_, err := loadFromFile(cfgPath, newLogger())
if err == nil {
t.Fatalf("expected error for invalid JSON")
}
}
|
