refactor(internal): export internal packages (#887)

* refactor: export internal packages

* refactor(server): define Server

* refactor: fix lint issues

* test(integration): fix imports

pkg/commands/config/global_test.go

@@ -0,0 +1,46 @@
+package config_test
+
+import (
+	"flag"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"github.com/urfave/cli/v2"
+
+	"github.com/aquasecurity/trivy/pkg/commands/config"
+)
+
+func TestNewGlobalConfig(t *testing.T) {
+	tests := []struct {
+		name string
+		args []string
+		want config.GlobalConfig
+	}{
+		{
+			name: "happy path",
+			args: []string{"--quiet", "--debug"},
+			want: config.GlobalConfig{
+				Quiet: true,
+				Debug: true,
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			app := &cli.App{}
+			set := flag.NewFlagSet("test", 0)
+			set.Bool("debug", false, "")
+			set.Bool("quiet", false, "")
+
+			c := cli.NewContext(app, set, nil)
+			_ = set.Parse(tt.args)
+
+			got, err := config.NewGlobalConfig(c)
+			require.NoError(t, err, err)
+			assert.Equal(t, tt.want.Quiet, got.Quiet, tt.name)
+			assert.Equal(t, tt.want.Debug, got.Debug, tt.name)
+			assert.Equal(t, tt.want.CacheDir, got.CacheDir, tt.name)
+		})
+	}
+}