Add taskfile node for byte[] objects.

Author: trulede

taskfile/node_byte.go

@@ -0,0 +1,49 @@
+package taskfile
+
+import (
+	"github.com/go-task/task/v3/internal/execext"
+	"github.com/go-task/task/v3/internal/filepathext"
+)
+
+// A ByteNode is a node that reads a taskfile direct from a []byte object.
+type ByteNode struct {
+	*baseNode
+	data []byte
+}
+
+func NewByteNode(data []byte, dir string) (*ByteNode, error) {
+	return &ByteNode{
+		baseNode: NewBaseNode(dir),
+		data:     data,
+	}, nil
+}
+
+func (node *ByteNode) Location() string {
+	return "__bytes__"
+}
+
+func (node *ByteNode) Remote() bool {
+	return true
+}
+
+func (node *ByteNode) Read() ([]byte, error) {
+	return node.data, nil
+}
+
+func (node *ByteNode) ResolveEntrypoint(entrypoint string) (string, error) {
+	// A ByteNode has no presence on the local file system.
+	return entrypoint, nil
+}
+
+func (node *ByteNode) ResolveDir(dir string) (string, error) {
+	path, err := execext.ExpandLiteral(dir)
+	if err != nil {
+		return "", err
+	}
+
+	if filepathext.IsAbs(path) {
+		return path, nil
+	}
+
+	return filepathext.SmartJoin(node.Dir(), path), nil
+}

taskfile/node_byte_test.go

@@ -0,0 +1,25 @@
+package taskfile
+
+import (
+	_ "embed"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+//go:embed testdata/node_byte_taskfile.yaml
+var taskfileYamlBytes []byte
+
+func TestByteNode(t *testing.T) {
+	t.Parallel()
+	workingDir := t.TempDir()
+
+	node, err := NewByteNode(taskfileYamlBytes, workingDir)
+	assert.NoError(t, err)
+	assert.Equal(t, "__bytes__", node.Location())
+	assert.Equal(t, workingDir, node.Dir())
+	assert.True(t, node.Remote())
+	data, err := node.Read()
+	assert.NoError(t, err)
+	assert.Equal(t, taskfileYamlBytes, data)
+}

taskfile/testdata/node_byte_taskfile.yaml

@@ -0,0 +1,10 @@
+version: '3'
+
+vars:
+  GREETING: Hello, World!
+
+tasks:
+  default:
+    cmds:
+      - echo "{{.GREETING}}"
+    silent: true