nitpicker: add more tests

nitpicking_test.go

@@ -1 +1,33 @@
 package nitpicking_test
+
+import (
+	"path/filepath"
+	"testing"
+
+	"github.com/MarioCarrion/nitpicking"
+)
+
+func TestNitpicker_Validate(t *testing.T) {
+	tests := [...]struct {
+		name          string
+		filename      string
+		expectedError bool
+	}{
+		{
+			"OK",
+			"nitpicker_valid.go",
+			false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(ts *testing.T) {
+			n := nitpicking.Nitpicker{}
+
+			if err := n.Validate(filepath.Join("testdata", tt.filename)); tt.expectedError != (err != nil) {
+
+				ts.Fatalf("expected error %t, got %s", tt.expectedError, err)
+			}
+		})
+	}
+}

testdata/imports_valid.go

@@ -0,0 +1,13 @@
+package testdata
+
+import (
+	"fmt"
+
+	"github.com/pkg/errors"
+
+	"github.com/MarioCarrion/nitpicking"
+)
+
+func ImportsValid() {
+	fmt.Println("%s", errors.New(""), nitpicking.Nitpicker{})
+}

testdata/nitpicker_valid.go

@@ -0,0 +1,29 @@
+package testdata
+
+import (
+	"fmt"
+)
+
+const (
+	FirstConst = "1"
+)
+
+const (
+	SecondConst = "2"
+)
+
+type (
+	Example struct{}
+)
+
+var (
+	varOne = 1
+)
+
+func NitpickerValid() {
+	fmt.Println("")
+}
+
+func (*Example) ExampleMethod() {
+	fmt.Println("")
+}

validator_test.go

@@ -16,6 +16,11 @@ func TestImportsValidator_Validate(t *testing.T) {
 		filename      string
 		expectedError bool
 	}{
+		{
+			"OK",
+			"imports_valid.go",
+			false,
+		},
 		{
 			"Error: parenthesized declaration",
 			"imports_paren.go",