fix #622 (Rule 'var-naming' should allow Fuzz_xxx) (#623)

Author: chavacava

rule/var-naming.go

@@ -145,7 +145,12 @@ func (w *lintNames) Visit(n ast.Node) ast.Visitor {
 			}
 		}
 	case *ast.FuncDecl:
-		if w.file.IsTest() && (strings.HasPrefix(v.Name.Name, "Example") || strings.HasPrefix(v.Name.Name, "Test") || strings.HasPrefix(v.Name.Name, "Benchmark")) {
+		funcName := v.Name.Name
+		if w.file.IsTest() &&
+			(strings.HasPrefix(funcName, "Example") ||
+				strings.HasPrefix(funcName, "Test") ||
+				strings.HasPrefix(funcName, "Benchmark") ||
+				strings.HasPrefix(funcName, "Fuzz")) {
 			return w
 		}
 

test/var-naming_test.go

@@ -11,4 +11,6 @@ func TestVarNaming(t *testing.T) {
 	testRule(t, "var-naming", &rule.VarNamingRule{}, &lint.RuleConfig{
 		Arguments: []interface{}{[]interface{}{"ID"}, []interface{}{"VM"}},
 	})
+
+	testRule(t, "var-naming_test", &rule.VarNamingRule{}, &lint.RuleConfig{})
 }

testdata/var-naming_test.go

@@ -0,0 +1,12 @@
+// Test for name linting.
+
+// Package pkg_with_underscores ...
+package varnaming_test
+
+var var_name int // MATCH /don't use underscores in Go names; var var_name should be varName/
+
+func Test_ATest()           {}
+func Example_AnExample()    {}
+func Benchmark_ABenchmark() {}
+
+func Fuzz_AFuzz() {}