fix: Generate allowed string length in testcases (#164)

Author: marceljk

blacklist.txt

@@ -1,11 +1,10 @@
 # Transitional file to disable generation for selected services
-#assumerole
+assumerole
 #customer
 #openstack
 kms
 
 airflow
-edge
 customer
 vpn
 privateendpoint

templates/go/api_test.mustache

@@ -28,7 +28,19 @@ func Test_{{packageName}}_{{classname}}Service(t *testing.T) {
 {{#operation}}
 	t.Run("Test {{classname}}Service {{{nickname}}}", func(t *testing.T) {
 		_apiUrlPath := "{{{path}}}"{{#pathParams}}
-		{{paramName}}Value := {{#isAnyType}}"unspecified type"{{/isAnyType}}{{#isString}}{{#isUuid}}uuid.NewString(){{/isUuid}}{{^isUuid}}"{{paramName}}-value"{{/isUuid}}{{/isString}}{{#isNumber}}123{{/isNumber}}{{#isFloat}}float32(123){{/isFloat}}{{#isDouble}}float64(123){{/isDouble}}{{#isInteger}}int32(123){{/isInteger}}{{#isLong}}int64(123){{/isLong}}{{^isString}}{{^isInteger}}{{defaultValue}}{{/isInteger}}{{/isString}}
+        {{^minLength}}
+            {{^maxLength}}
+                {{paramName}}Value := {{#isAnyType}}"unspecified type"{{/isAnyType}}{{#isString}}{{#isUuid}}uuid.NewString(){{/isUuid}}{{^isUuid}}"{{paramName}}-value"{{/isUuid}}{{/isString}}{{#isNumber}}123{{/isNumber}}{{#isFloat}}float32(123){{/isFloat}}{{#isDouble}}float64(123){{/isDouble}}{{#isInteger}}int32(123){{/isInteger}}{{#isLong}}int64(123){{/isLong}}{{^isString}}{{^isInteger}}{{defaultValue}}{{/isInteger}}{{/isString}}
+            {{/maxLength}}
+        {{/minLength}}
+        {{#minLength}}
+            {{paramName}}Value := randString({{minLength}})
+        {{/minLength}}
+        {{#maxLength}}
+            {{^minLength}}
+                {{paramName}}Value := randString({{maxLength}})
+            {{/minLength}}
+        {{/maxLength}}
 		_apiUrlPath = strings.Replace(_apiUrlPath, "{"+"{{baseName}}"+"}", url.PathEscape(ParameterValueToString({{paramName}}Value, "{{paramName}}")), -1){{/pathParams}}
 
 		test{{classname}}ServeMux := http.NewServeMux()

templates/go/utils.mustache

@@ -362,3 +362,14 @@ func IsNil(i interface{}) bool {
 type MappedNullable interface {
 	ToMap() (map[string]interface{}, error)
 }
+
+const letterRunes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+
+// randString returns a random string with a specified length. It panics if n <= 0.
+func randString(n int) string {
+    b := make([]byte, n)
+    for i := range b {
+        b[i] = letterRunes[rand.Intn(len(letterRunes))]
+    }
+    return string(b)
+}