feat(refacto): move everything in internal package

This allows to install katenary with `go install` and to clean up the
project folder.

internal/generator/labels/katenaryLabels_test.go

@@ -0,0 +1,78 @@
+package labels
+
+import (
+	_ "embed"
+	"reflect"
+	"testing"
+)
+
+var testingKatenaryPrefix = Prefix()
+
+const mainAppLabel = "main-app"
+
+func TestPrefix(t *testing.T) {
+	tests := []struct {
+		name string
+		want string
+	}{
+		{
+			name: "TestPrefix",
+			want: "katenary.v3",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := Prefix(); got != tt.want {
+				t.Errorf("Prefix() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestLabelName(t *testing.T) {
+	type args struct {
+		name string
+	}
+	tests := []struct {
+		name string
+		args args
+		want Label
+	}{
+		{
+			name: "Test_labelName",
+			args: args{
+				name: mainAppLabel,
+			},
+			want: testingKatenaryPrefix + "/" + mainAppLabel,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := LabelName(tt.args.name); !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("labelName() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestGetLabelHelp(t *testing.T) {
+	help := GetLabelHelp(false)
+	if help == "" {
+		t.Errorf("GetLabelHelp() = %v, want %v", help, "Help")
+	}
+	help = GetLabelHelp(true)
+	if help == "" {
+		t.Errorf("GetLabelHelp() = %v, want %v", help, "Help")
+	}
+}
+
+func TestGetLabelHelpFor(t *testing.T) {
+	help := GetLabelHelpFor(mainAppLabel, false)
+	if help == "" {
+		t.Errorf("GetLabelHelpFor() = %v, want %v", help, "Help")
+	}
+	help = GetLabelHelpFor("main-app", true)
+	if help == "" {
+		t.Errorf("GetLabelHelpFor() = %v, want %v", help, "Help")
+	}
+}