test(proxy): migrate tests to use virtual-fs (#48)

.gitignore

@@ -23,6 +23,7 @@ dist/
 
 src/i18n/out/en-US/active.en-GB.json
 test/data/storage/scientist/
+test/data/research/
 
 .DS_Store
 thumbs.db

src/app/proxy/runner-sampler_test.go

@@ -17,6 +17,11 @@ import (
 	"github.com/spf13/viper"
 )
 
+const (
+	silent  = false
+	verbose = true
+)
+
 type runnerTE struct {
 	given    string
 	should   string
@@ -50,7 +55,7 @@ var _ = Describe("SamplerRunner", Ordered, func() {
 		configPath = filepath.Join(repo, "test", "data", "configuration")
 		Expect(matchers.AsDirectory(configPath)).To(matchers.ExistInFS(nfs))
 
-		root = helpers.Scientist()
+		root = helpers.Scientist(nfs, "nasa-scientist-index.xml", verbose)
 		Expect(matchers.AsDirectory(root)).To(matchers.ExistInFS(nfs))
 	})
 

src/internal/helpers/directory-tree-builder.go

@@ -10,24 +10,27 @@ import (
 	"github.com/samber/lo"
 	"github.com/snivilised/extendio/collections"
 
+	"github.com/snivilised/extendio/xfs/storage"
 	"github.com/snivilised/extendio/xfs/utils"
 )
 
 const offset = 2
 const tabSize = 2
 
 type DirectoryTreeBuilder struct {
+	vfs     storage.VirtualFS
 	root    string
 	full    string
 	stack   *collections.Stack[string]
 	index   string
 	write   bool
 	depth   int
 	padding string
+	silent  bool
 }
 
 func (r *DirectoryTreeBuilder) read() (*Directory, error) {
-	data, err := os.ReadFile(r.index)
+	data, err := os.ReadFile(r.index) // always read from real fs
 
 	if err != nil {
 		return nil, err
@@ -73,10 +76,12 @@ func (r *DirectoryTreeBuilder) dec() {
 }
 
 func (r *DirectoryTreeBuilder) show(path, indicator, name string) {
-	status := r.status(path)
-	fmt.Printf("%v(depth: '%v') (%v) %v: -> '%v' (🌟 %v)\n",
-		r.padding, r.depth, status, indicator, name, r.full,
-	)
+	if !r.silent {
+		status := r.status(path)
+		fmt.Printf("%v(depth: '%v') (%v) %v: -> '%v' (🌟 %v)\n",
+			r.padding, r.depth, status, indicator, name, r.full,
+		)
+	}
 }
 
 func (r *DirectoryTreeBuilder) walk() error {
@@ -99,7 +104,7 @@ func (r *DirectoryTreeBuilder) dir(dir Directory) error { //nolint:gocritic // p
 	_, dn := utils.SplitParent(dir.Name)
 
 	if r.write {
-		err := os.MkdirAll(r.full, os.ModePerm)
+		err := r.vfs.MkdirAll(r.full, os.ModePerm)
 
 		if err != nil {
 			return err
@@ -119,7 +124,7 @@ func (r *DirectoryTreeBuilder) dir(dir Directory) error { //nolint:gocritic // p
 		fp := Path(r.full, file.Name)
 
 		if r.write {
-			err := os.WriteFile(fp, []byte(file.Text), os.ModePerm)
+			err := r.vfs.WriteFile(fp, []byte(file.Text), os.ModePerm)
 			if err != nil {
 				return err
 			}
@@ -153,27 +158,29 @@ type File struct {
 
 const doWrite = true
 
-func Scientist() string {
+func Scientist(vfs storage.VirtualFS, index string, silent bool) string {
 	repo := Repo(filepath.Join("..", "..", ".."))
-	storage := filepath.Join(repo, "Test", "data", "storage")
-	scientist := filepath.Join(storage, "scientist")
-	index := filepath.Join(storage, "citizen-scientist-index.xml")
-	utils.Must(Ensure(scientist, index))
+	research := filepath.Join(repo, "Test", "data", "research")
+	scientist := filepath.Join(research, "scientist")
+	indexPath := filepath.Join(research, index)
+	utils.Must(ensure(scientist, indexPath, vfs, silent))
 
 	return scientist
 }
 
-func Ensure(root, index string) error {
-	if utils.FolderExists(root) {
+func ensure(root, index string, vfs storage.VirtualFS, silent bool) error {
+	if vfs.DirectoryExists(root) {
 		return nil
 	}
 
 	parent, _ := utils.SplitParent(root)
 	builder := DirectoryTreeBuilder{
-		root:  root,
-		stack: collections.NewStackWith([]string{parent}),
-		index: index,
-		write: doWrite,
+		vfs:    vfs,
+		root:   root,
+		stack:  collections.NewStackWith([]string{parent}),
+		index:  index,
+		write:  doWrite,
+		silent: silent,
 	}
 
 	return builder.walk()