build: define new unified build interfaces.

pkg/prebuild/cfg/core.go

@@ -0,0 +1,47 @@
+// apparmor.d - Full set of apparmor profiles
+// Copyright (C) 2021-2024 Alexandre Pujol <alexandre@pujol.io>
+// SPDX-License-Identifier: GPL-2.0-only
+
+package cfg
+
+import "fmt"
+
+type BaseInterface interface {
+	Message() string
+	Name() string
+	Usage() string
+}
+
+type Base struct {
+	Msg     string
+	Keyword string
+	Help    string
+}
+
+func (b Base) Name() string {
+	return b.Keyword
+}
+
+func (b Base) Usage() string {
+	return b.Help
+}
+
+func (b Base) Message() string {
+	return b.Msg
+}
+
+func Help[T BaseInterface](name string, tasks map[string]T) string {
+	res := fmt.Sprintf("%s tasks:\n", name)
+	for _, t := range tasks {
+		res += fmt.Sprintf("    %s - %s\n", t.Name(), t.Message())
+	}
+	return res
+}
+
+func Usage[T BaseInterface](name string, tasks map[string]T) string {
+	res := fmt.Sprintf("%s\n", name)
+	for _, t := range tasks {
+		res += fmt.Sprintf("    %s\n", t.Usage())
+	}
+	return res
+}

pkg/prebuild/cfg/core_test.go

@@ -0,0 +1,64 @@
+// apparmor.d - Full set of apparmor profiles
+// Copyright (C) 2021-2024 Alexandre Pujol <alexandre@pujol.io>
+// SPDX-License-Identifier: GPL-2.0-only
+
+package cfg
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestBase_Helpers(t *testing.T) {
+	tests := []struct {
+		name string
+		b    Base
+		want string
+	}{
+		{
+			name: "base",
+			b:    Base{Keyword: "test", Help: "test", Msg: "test"},
+			want: "test",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := tt.b.Name(); got != tt.want {
+				t.Errorf("Base.Name() = %v, want %v", got, tt.want)
+			}
+			if got := tt.b.Usage(); got != tt.want {
+				t.Errorf("Base.Usage() = %v, want %v", got, tt.want)
+			}
+			if got := tt.b.Message(); got != tt.want {
+				t.Errorf("Base.Message() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestHelp(t *testing.T) {
+	tests := []struct {
+		name  string
+		tasks map[string]Base
+		want  string
+	}{
+		{
+			name: "one",
+			tasks: map[string]Base{
+				"one": {Keyword: "one", Help: "one", Msg: "one"},
+				"two": {Keyword: "two", Help: "two", Msg: "two"},
+			},
+			want: `one`,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := Help(tt.name, tt.tasks); !strings.Contains(got, tt.want) {
+				t.Errorf("Help() = %v, want %v", got, tt.want)
+			}
+			if got := Usage(tt.name, tt.tasks); !strings.Contains(got, tt.want) {
+				t.Errorf("Usage() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}