JUnit: create directory before creating output file

Close #554

reporters/junit_reporter.go

@@ -13,6 +13,7 @@ import (
 	"fmt"
 	"math"
 	"os"
+	"path/filepath"
 	"strings"
 
 	"github.com/onsi/ginkgo/config"
@@ -124,6 +125,9 @@ func (reporter *JUnitReporter) SpecSuiteDidEnd(summary *types.SuiteSummary) {
 	reporter.suite.Time = math.Trunc(summary.RunTime.Seconds()*1000) / 1000
 	reporter.suite.Failures = summary.NumberOfFailedSpecs
 	reporter.suite.Errors = 0
+	if err := os.MkdirAll(filepath.Dir(reporter.filename), 0755); err != nil {
+		fmt.Printf("Failed to create JUnit report file: %s\n\t%s", reporter.filename, err.Error())
+	}
 	file, err := os.Create(reporter.filename)
 	if err != nil {
 		fmt.Printf("Failed to create JUnit report file: %s\n\t%s", reporter.filename, err.Error())

reporters/junit_reporter_test.go

@@ -4,6 +4,7 @@ import (
 	"encoding/xml"
 	"io/ioutil"
 	"os"
+	"path/filepath"
 	"time"
 
 	. "github.com/onsi/ginkgo"
@@ -255,4 +256,21 @@ var _ = Describe("JUnit Reporter", func() {
 			})
 		})
 	}
+
+	When("output directory doesn't exist", func() {
+		It("should create before open file", func() {
+			dir, err := ioutil.TempDir("", "not-exist")
+			Expect(err).ShouldNot(HaveOccurred())
+			defer os.RemoveAll(dir)
+
+			output := filepath.Join(dir, "not", "exist", "report.xml")
+			reporter := reporters.NewJUnitReporter(output)
+			reporter.SpecSuiteDidEnd(&types.SuiteSummary{
+				NumberOfSpecsThatWillBeRun: 1,
+				NumberOfFailedSpecs:        0,
+				RunTime:                    testSuiteTime,
+			})
+			Ω(output).Should(BeAnExistingFile())
+		})
+	})
 })