From 2a98e29eb0893b56a017a86f9b826abfce57ac4e Mon Sep 17 00:00:00 2001
From: Tom Limoncelli <tlimoncelli@stackoverflow.com>
Date: Wed, 25 Oct 2017 11:52:54 -0400
Subject: [PATCH] wip!

---
 integrationTest/integration_test.go        | 20 ++++++++++++++++++++
 integrationTest/zones/example.com.zone     |  2 +-
 providers/bind/bindProvider.go             | 11 +++++++++--
 providers/capabilities.go                  |  2 ++
 providers/cloudflare/cloudflareProvider.go |  1 +
 5 files changed, 33 insertions(+), 3 deletions(-)

diff --git a/integrationTest/integration_test.go b/integrationTest/integration_test.go
index 5ef421fc1..78253def0 100644
--- a/integrationTest/integration_test.go
+++ b/integrationTest/integration_test.go
@@ -392,6 +392,26 @@ func makeTests(t *testing.T) []*TestCase {
 		)
 	}
 
+	// Case Preserving
+	if !providers.ProviderHasCabability(*providerToRun, providers.CasePreserving) {
+		t.Log("Skipping case preserving tests because provider does not support them")
+	} else {
+		tests = append(tests, tc("Empty"),
+			// Create down, and change.
+			tc("Create Downcase", a("foo", "1.1.1.1")),
+			tc("Upcase", a("FOO", "1.1.1.1")),
+			tc("Downcase", a("foo", "1.1.1.1")),
+			tc("Change target", a("foo", "2.2.2.2")),
+			tc("Upcase and change target", a("FOO", "3.3.3.3")),
+			// Create up, and change.
+			tc("Create Upcase", a("BAR", "1.1.1.1")),
+			tc("Downcase", a("bar", "1.1.1.1")),
+			tc("Upcase", a("BAR", "1.1.1.1")),
+			tc("Change target", a("BAR", "2.2.2.2")),
+			tc("Downcase and change target", a("bar", "3.3.3.3")),
+		)
+	}
+
 	// Test large zonefiles.
 	// Mostly to test paging. Many providers page at 100
 	// Known page sizes:
diff --git a/integrationTest/zones/example.com.zone b/integrationTest/zones/example.com.zone
index bb7ab6ea8..0303885b0 100644
--- a/integrationTest/zones/example.com.zone
+++ b/integrationTest/zones/example.com.zone
@@ -1,4 +1,4 @@
 $TTL 300
-@                IN SOA   DEFAULT_NOT_SET. DEFAULT_NOT_SET. 2017091830 3600 600 604800 1440
+@                IN SOA   DEFAULT_NOT_SET. DEFAULT_NOT_SET. 2017102758 3600 600 604800 1440
                  IN NS    ns1.otherdomain.tld.
                  IN NS    ns2.otherdomain.tld.
diff --git a/providers/bind/bindProvider.go b/providers/bind/bindProvider.go
index 9dd984c9d..4933a52c9 100644
--- a/providers/bind/bindProvider.go
+++ b/providers/bind/bindProvider.go
@@ -56,8 +56,15 @@ func initBind(config map[string]string, providermeta json.RawMessage) (providers
 }
 
 func init() {
-	providers.RegisterDomainServiceProviderType("BIND", initBind, providers.CanUsePTR,
-		providers.CanUseSRV, providers.CanUseCAA, providers.CanUseTLSA, providers.CantUseNOPURGE, docNotes)
+	providers.RegisterDomainServiceProviderType("BIND", initBind,
+		providers.CanUsePTR,
+		providers.CanUseSRV,
+		providers.CanUseCAA,
+		providers.CanUseTLSA,
+		providers.CantUseNOPURGE,
+		providers.CasePreserving,
+		docNotes,
+	)
 }
 
 type SoaInfo struct {
diff --git a/providers/capabilities.go b/providers/capabilities.go
index e3cf95d74..507e569cf 100644
--- a/providers/capabilities.go
+++ b/providers/capabilities.go
@@ -24,6 +24,8 @@ const (
 	// so it is easier to simply mark this feature as not working for this
 	// provider.
 	CantUseNOPURGE
+	// CasePreserving indicates the provider preserves case in DNS names.
+	CasePreserving
 
 	// DocOfficiallySupported means it is actively used and maintained by stack exchange
 	DocOfficiallySupported
diff --git a/providers/cloudflare/cloudflareProvider.go b/providers/cloudflare/cloudflareProvider.go
index ca9da707b..82d9b28a5 100644
--- a/providers/cloudflare/cloudflareProvider.go
+++ b/providers/cloudflare/cloudflareProvider.go
@@ -38,6 +38,7 @@ var docNotes = providers.DocumentationNotes{
 	providers.DocCreateDomains:       providers.Can(),
 	providers.DocOfficiallySupported: providers.Can(),
 	providers.CanUseAlias:            providers.Can("CF automatically flattens CNAME records into A records dynamically"),
+	providers.CasePreserving:         providers.Can(),
 }
 
 func init() {