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package runtimeconfig
import (
"bytes"
"io"
"log"
"os"
"path/filepath"
"strings"
"testing"
"codeberg.org/snonux/hexai/internal/appconfig"
)
func TestStoreReloadSkipsEnvOverrides(t *testing.T) {
logger := log.New(io.Discard, "", 0)
tmp := t.TempDir()
configDir := filepath.Join(tmp, "hexai")
if err := os.MkdirAll(configDir, 0o755); err != nil {
t.Fatalf("failed to create config dir: %v", err)
}
configPath := filepath.Join(configDir, "config.toml")
if err := os.WriteFile(configPath, []byte("[general]\nmax_tokens = 64\n"), 0o644); err != nil {
t.Fatalf("failed to write config file: %v", err)
}
t.Setenv("XDG_CONFIG_HOME", tmp)
t.Setenv("HEXAI_MAX_TOKENS", "321")
initial := appconfig.Load(logger)
if initial.MaxTokens != 321 {
t.Fatalf("expected env override to win initial load, got %d", initial.MaxTokens)
}
store := New(initial)
if err := os.WriteFile(configPath, []byte("[general]\nmax_tokens = 128\n"), 0o644); err != nil {
t.Fatalf("failed to update config file: %v", err)
}
changes, err := store.Reload(logger, appconfig.LoadOptions{IgnoreEnv: true})
if err != nil {
t.Fatalf("reload failed: %v", err)
}
if snap := store.Snapshot(); snap.MaxTokens != 128 {
t.Fatalf("expected reload to apply file value, got %d", snap.MaxTokens)
}
found := false
for _, change := range changes {
if change.Key == "max_tokens" {
found = true
if change.Old != "321" || change.New != "128" {
t.Fatalf("unexpected change diff: %+v", change)
}
}
}
if !found {
t.Fatalf("expected max_tokens change in diff, got %#v", changes)
}
}
func TestStoreReloadLogsSummary(t *testing.T) {
var buf bytes.Buffer
logger := log.New(&buf, "", 0)
tmp := t.TempDir()
configDir := filepath.Join(tmp, "hexai")
if err := os.MkdirAll(configDir, 0o755); err != nil {
t.Fatalf("mkdir: %v", err)
}
configPath := filepath.Join(configDir, "config.toml")
if err := os.WriteFile(configPath, []byte("[general]\nmax_tokens = 64\n"), 0o644); err != nil {
t.Fatalf("write config: %v", err)
}
t.Setenv("XDG_CONFIG_HOME", tmp)
t.Setenv("HEXAI_MAX_TOKENS", "321")
initial := appconfig.Load(logger)
store := New(initial)
if err := os.WriteFile(configPath, []byte("[general]\nmax_tokens = 128\n"), 0o644); err != nil {
t.Fatalf("update config: %v", err)
}
_, err := store.Reload(logger, appconfig.LoadOptions{IgnoreEnv: true})
if err != nil {
t.Fatalf("reload failed: %v", err)
}
logOutput := buf.String()
if !strings.Contains(logOutput, "Reloaded config (1 changes):") {
t.Fatalf("expected summary line in log, got %q", logOutput)
}
if !strings.Contains(logOutput, "- max_tokens: 321 → 128") {
t.Fatalf("expected change details in log, got %q", logOutput)
}
}
func TestDiff_SurfaceModel(t *testing.T) {
oldCfg := appconfig.App{CompletionConfigs: []appconfig.SurfaceConfig{{Provider: "openai", Model: "gpt-4o"}}}
newCfg := appconfig.App{CompletionConfigs: []appconfig.SurfaceConfig{{Provider: "copilot", Model: "gpt-4.1"}}}
changes := Diff(oldCfg, newCfg)
if len(changes) == 0 {
t.Fatalf("expected diff entries, got none")
}
found := false
for _, ch := range changes {
if ch.Key == "completion_configs" {
if !strings.Contains(ch.Old, "gpt-4o") || !strings.Contains(ch.New, "gpt-4.1") {
t.Fatalf("unexpected diff contents: %+v", ch)
}
found = true
}
}
if !found {
t.Fatalf("expected completion configs diff, got %+v", changes)
}
}
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