test: Increase test coverage on auditable resources (#7038)

* test: Increase test coverage on auditable resources

When adding a new audit resource, we also need to add it to the
function switch statements. This is a likely mistake, now a unit
test will check this for you

coderd/database/dump.sql

@@ -94,7 +94,8 @@ CREATE TYPE resource_type AS ENUM (
     'api_key',
     'group',
     'workspace_build',
-    'license'
+    'license',
+    'workspace_proxy'
 );
 
 CREATE TYPE user_status AS ENUM (

coderd/database/migrations/000115_workspace_proxy_resource.down.sql

@@ -0,0 +1,2 @@
+-- It's not possible to drop enum values from enum types, so the UP has "IF NOT
+-- EXISTS".

coderd/database/migrations/000115_workspace_proxy_resource.up.sql

@@ -0,0 +1 @@
+ALTER TYPE resource_type ADD VALUE IF NOT EXISTS 'workspace_proxy';

coderd/database/models.go

@@ -884,6 +884,7 @@ const (
 	ResourceTypeGroup           ResourceType = "group"
 	ResourceTypeWorkspaceBuild  ResourceType = "workspace_build"
 	ResourceTypeLicense         ResourceType = "license"
+	ResourceTypeWorkspaceProxy  ResourceType = "workspace_proxy"
 )
 
 func (e *ResourceType) Scan(src interface{}) error {
@@ -932,7 +933,8 @@ func (e ResourceType) Valid() bool {
 		ResourceTypeApiKey,
 		ResourceTypeGroup,
 		ResourceTypeWorkspaceBuild,
-		ResourceTypeLicense:
+		ResourceTypeLicense,
+		ResourceTypeWorkspaceProxy:
 		return true
 	}
 	return false
@@ -950,6 +952,7 @@ func AllResourceTypeValues() []ResourceType {
 		ResourceTypeGroup,
 		ResourceTypeWorkspaceBuild,
 		ResourceTypeLicense,
+		ResourceTypeWorkspaceProxy,
 	}
 }