refactor: filecollector into new package (#2174)

* refactor: filecollector into new package

* Add test for symlinks

* add test fix bug of GetContainerArchive

* add test data

pkg/container/host_environment_test.go

@@ -1,4 +1,71 @@
 package container
 
+import (
+	"archive/tar"
+	"context"
+	"io"
+	"os"
+	"path"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
 // Type assert HostEnvironment implements ExecutionsEnvironment
 var _ ExecutionsEnvironment = &HostEnvironment{}
+
+func TestCopyDir(t *testing.T) {
+	dir, err := os.MkdirTemp("", "test-host-env-*")
+	assert.NoError(t, err)
+	defer os.RemoveAll(dir)
+	ctx := context.Background()
+	e := &HostEnvironment{
+		Path:      filepath.Join(dir, "path"),
+		TmpDir:    filepath.Join(dir, "tmp"),
+		ToolCache: filepath.Join(dir, "tool_cache"),
+		ActPath:   filepath.Join(dir, "act_path"),
+		StdOut:    os.Stdout,
+		Workdir:   path.Join("testdata", "scratch"),
+	}
+	_ = os.MkdirAll(e.Path, 0700)
+	_ = os.MkdirAll(e.TmpDir, 0700)
+	_ = os.MkdirAll(e.ToolCache, 0700)
+	_ = os.MkdirAll(e.ActPath, 0700)
+	err = e.CopyDir(e.Workdir, e.Path, true)(ctx)
+	assert.NoError(t, err)
+}
+
+func TestGetContainerArchive(t *testing.T) {
+	dir, err := os.MkdirTemp("", "test-host-env-*")
+	assert.NoError(t, err)
+	defer os.RemoveAll(dir)
+	ctx := context.Background()
+	e := &HostEnvironment{
+		Path:      filepath.Join(dir, "path"),
+		TmpDir:    filepath.Join(dir, "tmp"),
+		ToolCache: filepath.Join(dir, "tool_cache"),
+		ActPath:   filepath.Join(dir, "act_path"),
+		StdOut:    os.Stdout,
+		Workdir:   path.Join("testdata", "scratch"),
+	}
+	_ = os.MkdirAll(e.Path, 0700)
+	_ = os.MkdirAll(e.TmpDir, 0700)
+	_ = os.MkdirAll(e.ToolCache, 0700)
+	_ = os.MkdirAll(e.ActPath, 0700)
+	expectedContent := []byte("sdde/7sh")
+	err = os.WriteFile(filepath.Join(e.Path, "action.yml"), expectedContent, 0600)
+	assert.NoError(t, err)
+	archive, err := e.GetContainerArchive(ctx, e.Path)
+	assert.NoError(t, err)
+	defer archive.Close()
+	reader := tar.NewReader(archive)
+	h, err := reader.Next()
+	assert.NoError(t, err)
+	assert.Equal(t, "action.yml", h.Name)
+	content, err := io.ReadAll(reader)
+	assert.NoError(t, err)
+	assert.Equal(t, expectedContent, content)
+	_, err = reader.Next()
+	assert.ErrorIs(t, err, io.EOF)
+}