feat(doctor): full implementation of doctor health checks

cmd/doctor_test.go

@@ -0,0 +1,118 @@
+package cmd
+
+import (
+	"bytes"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"strings"
+	"testing"
+)
+
+func TestDoctorCleanEnv(t *testing.T) {
+	dataDir := t.TempDir()
+	configDir := t.TempDir()
+	t.Setenv("PDA_DATA", dataDir)
+	t.Setenv("PDA_CONFIG", configDir)
+
+	var buf bytes.Buffer
+	hasError := runDoctor(&buf)
+	out := buf.String()
+
+	if hasError {
+		t.Errorf("expected no errors, got hasError=true\noutput:\n%s", out)
+	}
+	for _, want := range []string{
+		version,
+		"Using default configuration",
+		"No identity file found",
+		"Git not initialised",
+		"No stores found",
+	} {
+		if !strings.Contains(out, want) {
+			t.Errorf("expected %q in output, got:\n%s", want, out)
+		}
+	}
+}
+
+func TestDoctorWithStores(t *testing.T) {
+	dataDir := t.TempDir()
+	configDir := t.TempDir()
+	t.Setenv("PDA_DATA", dataDir)
+	t.Setenv("PDA_CONFIG", configDir)
+
+	content := "{\"key\":\"foo\",\"value\":\"bar\",\"encoding\":\"text\"}\n" +
+		"{\"key\":\"baz\",\"value\":\"qux\",\"encoding\":\"text\"}\n"
+	if err := os.WriteFile(filepath.Join(dataDir, "test.ndjson"), []byte(content), 0o644); err != nil {
+		t.Fatal(err)
+	}
+
+	var buf bytes.Buffer
+	hasError := runDoctor(&buf)
+	out := buf.String()
+
+	if hasError {
+		t.Errorf("expected no errors, got hasError=true\noutput:\n%s", out)
+	}
+	if !strings.Contains(out, "1 store(s), 2 key(s), 0 secret(s)") {
+		t.Errorf("expected store summary in output, got:\n%s", out)
+	}
+}
+
+func TestDoctorIdentityPermissions(t *testing.T) {
+	dataDir := t.TempDir()
+	configDir := t.TempDir()
+	t.Setenv("PDA_DATA", dataDir)
+	t.Setenv("PDA_CONFIG", configDir)
+
+	idPath := filepath.Join(configDir, "identity.txt")
+	if err := os.WriteFile(idPath, []byte("placeholder\n"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+
+	var buf bytes.Buffer
+	runDoctor(&buf)
+	out := buf.String()
+
+	if !strings.Contains(out, "Identity:") {
+		t.Errorf("expected 'Identity:' in output, got:\n%s", out)
+	}
+	if !strings.Contains(out, "should be 0600") {
+		t.Errorf("expected permissions warning in output, got:\n%s", out)
+	}
+}
+
+func TestDoctorGitInitialised(t *testing.T) {
+	dataDir := t.TempDir()
+	configDir := t.TempDir()
+	t.Setenv("PDA_DATA", dataDir)
+	t.Setenv("PDA_CONFIG", configDir)
+
+	cmd := exec.Command("git", "init")
+	cmd.Dir = dataDir
+	if err := cmd.Run(); err != nil {
+		t.Skipf("git not available: %v", err)
+	}
+	cmd = exec.Command("git", "commit", "--allow-empty", "-m", "init")
+	cmd.Dir = dataDir
+	cmd.Env = append(os.Environ(),
+		"GIT_AUTHOR_NAME=test",
+		"GIT_AUTHOR_EMAIL=test@test",
+		"GIT_COMMITTER_NAME=test",
+		"GIT_COMMITTER_EMAIL=test@test",
+	)
+	if err := cmd.Run(); err != nil {
+		t.Fatalf("git commit: %v", err)
+	}
+
+	var buf bytes.Buffer
+	runDoctor(&buf)
+	out := buf.String()
+
+	if !strings.Contains(out, "Git initialised on") {
+		t.Errorf("expected 'Git initialised on' in output, got:\n%s", out)
+	}
+	if !strings.Contains(out, "No git remote configured") {
+		t.Errorf("expected 'No git remote configured' in output, got:\n%s", out)
+	}
+}