adds defer rule

test/defer_test.go

@@ -0,0 +1,25 @@
+package test
+
+import (
+	"testing"
+
+	"github.com/mgechev/revive/lint"
+	"github.com/mgechev/revive/rule"
+)
+
+// Defer rule.
+func TestDefer(t *testing.T) {
+	testRule(t, "defer", &rule.DeferRule{})
+}
+
+func TestDeferLoopDisabled(t *testing.T) {
+	testRule(t, "defer-loop-disabled", &rule.DeferRule{}, &lint.RuleConfig{
+		Arguments: []interface{}{[]interface{}{"return", "recover", "call-chain", "method-call"}},
+	})
+}
+
+func TestDeferOthersDisabled(t *testing.T) {
+	testRule(t, "defer-only-loop-enabled", &rule.DeferRule{}, &lint.RuleConfig{
+		Arguments: []interface{}{[]interface{}{"loop"}},
+	})
+}