added archive tests

pipeline/archive/archive_test.go

@@ -0,0 +1,58 @@
+package archive
+
+import (
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/goreleaser/goreleaser/config"
+	"github.com/goreleaser/goreleaser/context"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestDescription(t *testing.T) {
+	assert.NotEmpty(t, Pipe{}.Description())
+}
+
+func TestRunPipe(t *testing.T) {
+	var assert = assert.New(t)
+	folder, err := ioutil.TempDir("", "archivetest")
+	assert.NoError(err)
+	current, err := os.Getwd()
+	assert.NoError(err)
+	assert.NoError(os.Chdir(folder))
+	defer func() {
+		assert.NoError(os.Chdir(current))
+	}()
+	var dist = filepath.Join(folder, "dist")
+	assert.NoError(os.Mkdir(dist, 0755))
+	assert.NoError(os.Mkdir(filepath.Join(dist, "mybin"), 0755))
+	_, err = os.Create(filepath.Join(dist, "mybin", "mybin"))
+	assert.NoError(err)
+	readme, err := os.Create(filepath.Join(folder, "README.md"))
+	assert.NoError(err)
+	var ctx = &context.Context{
+		Archives: map[string]string{
+			"darwinamd64": "mybin",
+		},
+		Config: config.Project{
+			Dist: dist,
+			Archive: config.Archive{
+				Files: []string{
+					"README.md",
+				},
+			},
+		},
+	}
+	for _, format := range []string{"tar.gz", "zip"} {
+		t.Run("Archive format "+format, func(t *testing.T) {
+			ctx.Config.Archive.Format = format
+			assert.NoError(Pipe{}.Run(ctx))
+		})
+	}
+	t.Run("Removed README", func(t *testing.T) {
+		assert.NoError(os.Remove(readme.Name()))
+		assert.Error(Pipe{}.Run(ctx))
+	})
+}