fix: issue#25 recursive glob pattern for features directory

_examples/subdirectories/features/one/one.feature

@@ -0,0 +1,6 @@
+Feature: one
+
+  Scenario: eat cukes
+    Given I have 10 cukes
+    When I eat 1
+    Then I have 9 left

_examples/subdirectories/features/two/two.feature

@@ -0,0 +1,6 @@
+Feature: two
+
+  Scenario: eat cukes
+    Given I have 10 cukes
+    When I eat 2
+    Then I have 8 left

_examples/subdirectories/features/zero.feature

@@ -0,0 +1,6 @@
+Feature: zero
+
+  Scenario: eat cukes
+    Given I have 10 cukes
+    When I eat 0
+    Then I have 10 left

_examples/subdirectories/runner_test.go

@@ -0,0 +1,31 @@
+package main
+
+import (
+	"testing"
+
+	"github.com/regen-network/gocuke"
+)
+
+// should recursively load scenarios from features directory
+func TestSimple(t *testing.T) {
+	gocuke.NewRunner(t, &simpleSuite{}).Run()
+}
+
+type simpleSuite struct {
+	gocuke.TestingT
+	cukes int64
+}
+
+func (s *simpleSuite) IHaveCukes(a int64) {
+	s.cukes = a
+}
+
+func (s *simpleSuite) IEat(a int64) {
+	s.cukes -= a
+}
+
+func (s *simpleSuite) IHaveLeft(a int64) {
+	if a != s.cukes {
+		s.Fatalf("expected %d cukes, have %d", a, s.cukes)
+	}
+}

go.mod

@@ -3,6 +3,7 @@ module github.com/regen-network/gocuke
 go 1.21
 
 require (
+	github.com/bmatcuk/doublestar/v4 v4.6.1
 	github.com/cockroachdb/apd/v3 v3.2.1
 	github.com/cucumber/common/messages/go/v19 v19.1.2
 	github.com/cucumber/gherkin/go/v26 v26.2.0

go.sum

@@ -1,3 +1,5 @@
+github.com/bmatcuk/doublestar/v4 v4.6.1 h1:FH9SifrbvJhnlQpztAx++wlkk70QBf0iBWDwNy7PA4I=
+github.com/bmatcuk/doublestar/v4 v4.6.1/go.mod h1:xBQ8jztBU6kakFMg+8WGxn0c6z1fTSPVIjEY1Wr7jzc=
 github.com/cockroachdb/apd/v3 v3.2.1 h1:U+8j7t0axsIgvQUqthuNm82HIrYXodOV2iWLWtEaIwg=
 github.com/cockroachdb/apd/v3 v3.2.1/go.mod h1:klXJcjp+FffLTHlhIG69tezTDvdP065naDsHzKhYSqc=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=

run.go

@@ -2,11 +2,11 @@ package gocuke
 
 import (
 	"os"
-	"path/filepath"
 	"reflect"
 	"strings"
 	"testing"
 
+	"github.com/bmatcuk/doublestar/v4"
 	gherkin "github.com/cucumber/gherkin/go/v26"
 	"gotest.tools/v3/assert"
 )
@@ -17,7 +17,7 @@ func (r *Runner) Run() {
 
 	paths := r.paths
 	if len(paths) == 0 {
-		paths = []string{"features/*.feature"}
+		paths = []string{"features/**/*.feature"}
 	}
 
 	haveTests := false
@@ -29,7 +29,7 @@ func (r *Runner) Run() {
 		// not doing this allows mis-spellings in exact paths to be skipped silently
 		if strings.Contains(path, "*") {
 			var err error
-			files, err = filepath.Glob(path)
+			files, err = doublestar.FilepathGlob(path)
 			assert.NilError(r.topLevelT, err)
 		} else {
 			files = []string{path}