1 files changed, 82 insertions, 0 deletions
diff --git a/internal/lsp/chat_commands_test.go b/internal/lsp/chat_commands_test.go
new file mode 100644
index 0000000..bedfaed
--- /dev/null
+++ b/internal/lsp/chat_commands_test.go
@@ -0,0 +1,82 @@
+package lsp
+
+import (
+	"bytes"
+	"log"
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"codeberg.org/snonux/hexai/internal/appconfig"
+	"codeberg.org/snonux/hexai/internal/runtimeconfig"
+)
+
+func TestFormatReloadSummary(t *testing.T) {
+	changes := []runtimeconfig.Change{
+		{Key: "max_tokens", Old: "200", New: "128"},
+		{Key: "provider", Old: "openai", New: "ollama"},
+	}
+	got := formatReloadSummary(changes)
+	if !strings.Contains(got, "Reloaded config (2 changes):") {
+		t.Fatalf("expected change count line, got %q", got)
+	}
+	if !strings.Contains(got, "max_tokens: 200") || !strings.Contains(got, "provider: openai") {
+		t.Fatalf("expected formatted entries, got %q", got)
+	}
+}
+
+func TestHandleHelpCommandListsReload(t *testing.T) {
+	s := newTestServer()
+	res := s.handleHelpCommand()
+	if !strings.Contains(res.message, "/reload?>") {
+		t.Fatalf("expected reload command in help output: %q", res.message)
+	}
+}
+
+func TestHandleReloadCommandReloadsStore(t *testing.T) {
+	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")
+
+	var logBuf bytes.Buffer
+	logger := log.New(&logBuf, "", 0)
+
+	initial := appconfig.Load(logger)
+	if initial.MaxTokens != 321 {
+		t.Fatalf("expected env override to win initial load, got %d", initial.MaxTokens)
+	}
+
+	store := runtimeconfig.New(initial)
+
+	s := newTestServer()
+	s.logger = logger
+	s.configStore = store
+
+	if err := os.WriteFile(configPath, []byte("[general]\nmax_tokens = 128\n"), 0o644); err != nil {
+		t.Fatalf("update config: %v", err)
+	}
+
+	res := s.handleReloadCommand()
+	if !strings.Contains(res.message, "Reloaded config (1 changes):") {
+		t.Fatalf("unexpected reload summary: %q", res.message)
+	}
+	if !strings.Contains(res.message, "max_tokens: 321") || !strings.Contains(res.message, "128") {
+		t.Fatalf("expected diff for max_tokens: %q", res.message)
+	}
+	if store.Snapshot().MaxTokens != 128 {
+		t.Fatalf("expected snapshot to reflect new value, got %d", store.Snapshot().MaxTokens)
+	}
+	if !strings.Contains(logBuf.String(), "Reloaded config") {
+		t.Fatalf("expected summary logged, got %q", logBuf.String())
+	}
+}