feat(newproject): add archduino new project scaffolder

internal/subcommands/newproject/newproject_test.go

@@ -0,0 +1,84 @@
+package newproject
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"github.com/MDietermann/ArduinoArchSetup/internal/config"
+)
+
+func sampleCfg() config.Config {
+	return config.Config{
+		Scaffolding: config.Scaffolding{Boards: []config.Board{
+			{Name: "uno", FQBN: "arduino:avr:uno", Template: "uno"},
+			{Name: "xyz", FQBN: "fake:fqbn:xyz", Template: "does-not-exist"},
+		}},
+	}
+}
+
+func TestRunCreatesProject(t *testing.T) {
+	dir := t.TempDir()
+	t.Chdir(dir)
+	if err := Run(sampleCfg(), "blinky", "uno"); err != nil {
+		t.Fatal(err)
+	}
+	ino, err := os.ReadFile(filepath.Join("blinky", "blinky.ino"))
+	if err != nil {
+		t.Fatalf("blinky.ino missing: %v", err)
+	}
+	if len(ino) == 0 {
+		t.Error("blinky.ino empty")
+	}
+	sketch, err := os.ReadFile(filepath.Join("blinky", "sketch.yaml"))
+	if err != nil {
+		t.Fatalf("sketch.yaml missing: %v", err)
+	}
+	if !strings.Contains(string(sketch), "arduino:avr:uno") {
+		t.Errorf("sketch.yaml missing fqbn: %s", sketch)
+	}
+	if _, err := os.Stat(filepath.Join("blinky", ".clangd")); err != nil {
+		t.Errorf(".clangd missing: %v", err)
+	}
+}
+
+func TestRunRefusesExistingDir(t *testing.T) {
+	dir := t.TempDir()
+	t.Chdir(dir)
+	os.Mkdir("blinky", 0o755)
+	if err := Run(sampleCfg(), "blinky", "uno"); err == nil {
+		t.Fatal("want error on existing dir")
+	}
+}
+
+func TestRunFallsBackToDefaultTemplate(t *testing.T) {
+	dir := t.TempDir()
+	t.Chdir(dir)
+	if err := Run(sampleCfg(), "thing", "xyz"); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := os.Stat(filepath.Join("thing", "thing.ino")); err != nil {
+		t.Fatalf("thing.ino missing: %v", err)
+	}
+}
+
+func TestRunUnknownBoardErrors(t *testing.T) {
+	dir := t.TempDir()
+	t.Chdir(dir)
+	err := Run(sampleCfg(), "thing", "bogus")
+	if err == nil {
+		t.Fatal("want error")
+	}
+	if !strings.Contains(err.Error(), "uno") {
+		t.Errorf("error should list valid boards: %v", err)
+	}
+}
+
+func TestRunRejectsSlashInProjectName(t *testing.T) {
+	dir := t.TempDir()
+	t.Chdir(dir)
+	if err := Run(sampleCfg(), "bad/name", "uno"); err == nil {
+		t.Fatal("want error on slashes")
+	}
+}