feat: rewrite the storage plugin in golang

Refs #6814

plugins/storage/storage_test.go

@@ -0,0 +1,90 @@
+package storage
+
+import (
+	"testing"
+
+	. "github.com/onsi/gomega"
+)
+
+func TestVerifyPathsAbsolutePath(t *testing.T) {
+	RegisterTestingT(t)
+
+	Expect(VerifyPaths("/host/path:/container/path")).To(Succeed())
+	Expect(VerifyPaths("/var/lib/dokku/data/storage/test:/app/data")).To(Succeed())
+}
+
+func TestVerifyPathsNamedVolume(t *testing.T) {
+	RegisterTestingT(t)
+
+	Expect(VerifyPaths("volume_name:/container/path")).To(Succeed())
+	Expect(VerifyPaths("my-volume:/app/data")).To(Succeed())
+	Expect(VerifyPaths("my.volume:/app/data")).To(Succeed())
+}
+
+func TestVerifyPathsInvalid(t *testing.T) {
+	RegisterTestingT(t)
+
+	err := VerifyPaths("/host/path")
+	Expect(err).To(HaveOccurred())
+	Expect(err.Error()).To(ContainSubstring("Storage path must be two valid paths divided by colon"))
+
+	err = VerifyPaths("a:/container")
+	Expect(err).To(HaveOccurred())
+	Expect(err.Error()).To(ContainSubstring("Volume name must be two characters or more"))
+
+	err = VerifyPaths("-invalid:/container")
+	Expect(err).To(HaveOccurred())
+}
+
+func TestValidateDirectoryName(t *testing.T) {
+	RegisterTestingT(t)
+
+	Expect(ValidateDirectoryName("myapp")).To(Succeed())
+	Expect(ValidateDirectoryName("my-app")).To(Succeed())
+	Expect(ValidateDirectoryName("my_app")).To(Succeed())
+	Expect(ValidateDirectoryName("MyApp123")).To(Succeed())
+}
+
+func TestValidateDirectoryNameInvalid(t *testing.T) {
+	RegisterTestingT(t)
+
+	err := ValidateDirectoryName("")
+	Expect(err).To(HaveOccurred())
+	Expect(err.Error()).To(ContainSubstring("Please specify a directory"))
+
+	err = ValidateDirectoryName("@invalid")
+	Expect(err).To(HaveOccurred())
+	Expect(err.Error()).To(ContainSubstring("Directory can only contain"))
+
+	err = ValidateDirectoryName("my/app")
+	Expect(err).To(HaveOccurred())
+
+	err = ValidateDirectoryName("my app")
+	Expect(err).To(HaveOccurred())
+}
+
+func TestParseMountPath(t *testing.T) {
+	RegisterTestingT(t)
+
+	entry := ParseMountPath("/host/path:/container/path")
+	Expect(entry.HostPath).To(Equal("/host/path"))
+	Expect(entry.ContainerPath).To(Equal("/container/path"))
+	Expect(entry.VolumeOptions).To(BeEmpty())
+
+	entry = ParseMountPath("/host/path:/container/path:ro")
+	Expect(entry.HostPath).To(Equal("/host/path"))
+	Expect(entry.ContainerPath).To(Equal("/container/path"))
+	Expect(entry.VolumeOptions).To(Equal("ro"))
+
+	entry = ParseMountPath("volume_name:/container/path")
+	Expect(entry.HostPath).To(Equal("volume_name"))
+	Expect(entry.ContainerPath).To(Equal("/container/path"))
+	Expect(entry.VolumeOptions).To(BeEmpty())
+}
+
+func TestGetStorageDirectory(t *testing.T) {
+	RegisterTestingT(t)
+
+	dir := GetStorageDirectory()
+	Expect(dir).To(ContainSubstring("data/storage"))
+}