Improve lint/vet reliability and refactor client runtime/bootstrap

1 files changed, 68 insertions, 0 deletions

diff --git a/internal/config/initializer_test.go b/internal/config/initializer_test.go
new file mode 100644
index 0000000..ea6b229
--- /dev/null
+++ b/internal/config/initializer_test.go
@@ -0,0 +1,68 @@
+package config
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func TestParseConfigLoadsDefaultXDGConfig(t *testing.T) {
+	home := t.TempDir()
+	t.Setenv("HOME", home)
+
+	configPath := filepath.Join(home, ".config", "dtail", "dtail.conf")
+	if err := os.MkdirAll(filepath.Dir(configPath), 0o755); err != nil {
+		t.Fatalf("mkdir failed: %v", err)
+	}
+	writeTestConfig(t, configPath, `{"Common":{"LogLevel":"debug"}}`)
+
+	in := initializer{
+		Common: newDefaultCommonConfig(),
+		Server: newDefaultServerConfig(),
+		Client: newDefaultClientConfig(),
+	}
+
+	if err := in.parseConfig(&Args{}); err != nil {
+		t.Fatalf("parseConfig failed: %v", err)
+	}
+	if in.Common.LogLevel != "debug" {
+		t.Fatalf("expected log level debug, got %q", in.Common.LogLevel)
+	}
+}
+
+func TestParseConfigLoadsDefaultConfigsInOrder(t *testing.T) {
+	home := t.TempDir()
+	t.Setenv("HOME", home)
+
+	xdgPath := filepath.Join(home, ".config", "dtail", "dtail.conf")
+	if err := os.MkdirAll(filepath.Dir(xdgPath), 0o755); err != nil {
+		t.Fatalf("mkdir failed: %v", err)
+	}
+	writeTestConfig(t, xdgPath, `{"Common":{"Logger":"file","LogLevel":"warn"}}`)
+
+	homePath := filepath.Join(home, ".dtail.conf")
+	writeTestConfig(t, homePath, `{"Common":{"LogLevel":"error"}}`)
+
+	in := initializer{
+		Common: newDefaultCommonConfig(),
+		Server: newDefaultServerConfig(),
+		Client: newDefaultClientConfig(),
+	}
+
+	if err := in.parseConfig(&Args{}); err != nil {
+		t.Fatalf("parseConfig failed: %v", err)
+	}
+	if in.Common.LogLevel != "error" {
+		t.Fatalf("expected final log level error, got %q", in.Common.LogLevel)
+	}
+	if in.Common.Logger != "file" {
+		t.Fatalf("expected logger file from first config, got %q", in.Common.Logger)
+	}
+}
+
+func writeTestConfig(t *testing.T, path, body string) {
+	t.Helper()
+	if err := os.WriteFile(path, []byte(body), 0o644); err != nil {
+		t.Fatalf("write config failed: %v", err)
+	}
+}