Adding support for enum model AllValues

Fixes #368

ChangeLog:
  - Updating test mysql version as it no longer exists.
  - Add a simple validation test

.circleci/config.yml

@@ -16,7 +16,7 @@ jobs:
           POSTGRES_DB: jetdb
           PGPORT: 50901
 
-      - image: circleci/mysql:8.0.27
+      - image: circleci/mysql:8.0
         command: [ --default-authentication-plugin=mysql_native_password ]
         environment:
           MYSQL_ROOT_PASSWORD: jet

generator/template/file_templates.go

@@ -156,6 +156,12 @@ const (
 {{- end}}
 )
 
+var {{$enumTemplate.TypeName}}_AllValues = []{{$enumTemplate.TypeName}} {
+{{- range $_, $value := .Values}}
+	{{valueName $value}},
+{{- end}}
+}
+
 func (e *{{$enumTemplate.TypeName}}) Scan(value interface{}) error {
 	var enumValue string
 	switch val := value.(type) {

tests/docker-compose.yaml

@@ -13,7 +13,7 @@ services:
       - ./testdata/init/postgres:/docker-entrypoint-initdb.d
 
   mysql:
-    image: mysql:8.0.27
+    image: mysql:8.0
     command: ['--default-authentication-plugin=mysql_native_password', '--log_bin_trust_function_creators=1']
     restart: always
     environment:

tests/postgres/generator_template_test.go

@@ -171,6 +171,7 @@ func TestGeneratorTemplate_Model_RenameFilesAndTypes(t *testing.T) {
 
 	mpaaRating := file2.Exists(t, defaultModelPath, "mpaa_rating_enum.go")
 	require.Contains(t, mpaaRating, "type MpaaRatingEnum string")
+	require.Contains(t, mpaaRating, "MpaaRatingEnum_AllValues")
 }
 
 func TestGeneratorTemplate_Model_SkipTableAndEnum(t *testing.T) {