Only run brats tests on windows that work

- We now run the tests against all stacks

[#144938923]

Signed-off-by: Leah Hanson <lhanson@pivotal.io>

Author: Tyler Phelan

src/binary/brats/brats_suite_test.go

@@ -54,6 +54,12 @@ func CopyBrats(_version string) *cutlass.App {
 	return cutlass.New(dir)
 }
 
+func CopyBratsWindows(_version string) *cutlass.App {
+	dir, err := cutlass.CopyFixture(filepath.Join(bratshelper.Data.BpDir, "fixtures", "windows_app"))
+	Expect(err).ToNot(HaveOccurred())
+	return cutlass.New(dir)
+}
+
 func PushApp(app *cutlass.App) {
 	Expect(app.Push()).To(Succeed())
 	Eventually(app.InstanceStates, 20*time.Second).Should(Equal([]string{"RUNNING"}))
@@ -64,3 +70,12 @@ func ApiHasStackAssociation() bool {
 	Expect(err).NotTo(HaveOccurred())
 	return supported
 }
+
+func CanRunForOneOfStacks(stacks ...string) bool {
+	for _, stack := range stacks {
+		if os.Getenv("CF_STACK") == stack {
+			return true
+		}
+	}
+	return false
+}

src/binary/brats/brats_test.go

@@ -2,12 +2,21 @@ package brats_test
 
 import (
 	"github.com/cloudfoundry/libbuildpack/bratshelper"
+	"github.com/cloudfoundry/libbuildpack/cutlass"
 	. "github.com/onsi/ginkgo"
 )
 
 var _ = Describe("Binary buildpack", func() {
-	bratshelper.UnbuiltBuildpack("", CopyBrats)
-	bratshelper.DeployingAnAppWithAnUpdatedVersionOfTheSameBuildpack(CopyBrats)
-	bratshelper.DeployAppWithExecutableProfileScript("", CopyBrats)
-	bratshelper.DeployAnAppWithSensitiveEnvironmentVariables(CopyBrats)
+	var copyBrats (func(string) *cutlass.App)
+	if CanRunForOneOfStacks("cflinuxfs2", "cflinuxfs3") {
+		copyBrats = CopyBrats
+		bratshelper.UnbuiltBuildpack("", copyBrats)
+		bratshelper.DeployAppWithExecutableProfileScript("", copyBrats)
+		bratshelper.DeployingAnAppWithAnUpdatedVersionOfTheSameBuildpack(copyBrats)
+	} else {
+		copyBrats = CopyBratsWindows
+	}
+
+	bratshelper.DeployAnAppWithSensitiveEnvironmentVariables(copyBrats)
+
 })