review: unit tests

pkg/config/config_test.go

@@ -0,0 +1,86 @@
+package config
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestIsGoGreaterThanOrEqual(t *testing.T) {
+	testCases := []struct {
+		desc    string
+		current string
+		limit   string
+		assert  assert.BoolAssertionFunc
+	}{
+		{
+			desc:    "current (with minor.major) lower than limit",
+			current: "go1.21",
+			limit:   "1.22",
+			assert:  assert.False,
+		},
+		{
+			desc:    "current (with 0 patch) lower than limit",
+			current: "go1.21.0",
+			limit:   "1.22",
+			assert:  assert.False,
+		},
+		{
+			desc:    "current (current with multiple patches) lower than limit",
+			current: "go1.21.6",
+			limit:   "1.22",
+			assert:  assert.False,
+		},
+		{
+			desc:    "current lower than limit (with minor.major)",
+			current: "go1.22",
+			limit:   "1.22",
+			assert:  assert.True,
+		},
+		{
+			desc:    "current lower than limit (with 0 patch)",
+			current: "go1.22.0",
+			limit:   "1.22",
+			assert:  assert.True,
+		},
+		{
+			desc:    "current lower than limit (current with multiple patches)",
+			current: "go1.22.6",
+			limit:   "1.22",
+			assert:  assert.True,
+		},
+		{
+			desc:    "current greater than limit",
+			current: "go1.23.0",
+			limit:   "1.22",
+			assert:  assert.True,
+		},
+		{
+			desc:    "current with no prefix",
+			current: "1.22",
+			limit:   "1.22",
+			assert:  assert.True,
+		},
+		{
+			desc:    "invalid current value",
+			current: "go",
+			limit:   "1.22",
+			assert:  assert.False,
+		},
+		{
+			desc:    "invalid limit value",
+			current: "go1.22",
+			limit:   "go",
+			assert:  assert.False,
+		},
+	}
+
+	for _, test := range testCases {
+		test := test
+		t.Run(test.desc, func(t *testing.T) {
+			t.Parallel()
+
+			test.assert(t, IsGoGreaterThanOrEqual(test.current, test.limit))
+		})
+	}
+}

pkg/lint/linter/linter.go

@@ -18,8 +18,8 @@ type Noop struct {
 	reason string
 }
 
-func NewNoop(l Linter, reason string) *Noop {
-	return &Noop{
+func NewNoop(l Linter, reason string) Noop {
+	return Noop{
 		name:   l.Name(),
 		desc:   l.Desc(),
 		reason: reason,