improve testifycheck tests

testifycheck/testdata/src/tests/rename_test.go

@@ -0,0 +1,68 @@
+package tests
+
+import (
+	"testing"
+
+	xassert "github.com/stretchr/testify/assert"
+	xrequire "github.com/stretchr/testify/require"
+)
+
+func TestXFunctions(t *testing.T) {
+	err := errorFunc()
+
+	xrequire.Nil(t, err)    // want `use require.NoError instead of comparing error to nil`
+	xrequire.NotNil(t, err) // want `use require.Error instead of comparing error to nil`
+	xassert.Nil(t, err)     // want `use assert.NoError instead of comparing error to nil`
+	xassert.NotNil(t, err)  // want `use assert.Error instead of comparing error to nil`
+
+	xrequire.Nilf(t, err, "%s", "a")    // want `use require.NoErrorf instead of comparing error to nil`
+	xrequire.NotNilf(t, err, "%s", "a") // want `use require.Errorf instead of comparing error to nil`
+	xassert.Nilf(t, err, "%s", "a")     // want `use assert.NoErrorf instead of comparing error to nil`
+	xassert.NotNilf(t, err, "%s", "a")  // want `use assert.Errorf instead of comparing error to nil`
+
+	xrequire.Nilf(t, err, "a")    // want `use require.NoErrorf instead of comparing error to nil`
+	xrequire.NotNilf(t, err, "a") // want `use require.Errorf instead of comparing error to nil`
+	xassert.Nilf(t, err, "a")     // want `use assert.NoErrorf instead of comparing error to nil`
+	xassert.NotNilf(t, err, "a")  // want `use assert.Errorf instead of comparing error to nil`
+
+	p := new(int)
+
+	xrequire.Nil(t, p)
+	xrequire.NotNil(t, p)
+	xassert.Nil(t, p)
+	xassert.NotNil(t, p)
+
+	xrequire.Nilf(t, p, "%s", "a")
+	xrequire.NotNilf(t, p, "%s", "a")
+	xassert.Nilf(t, p, "%s", "a")
+	xassert.NotNilf(t, p, "%s", "a")
+}
+
+func TestXAssertions(t *testing.T) {
+	err := errorFunc()
+
+	xassert := xassert.New(t)
+	xrequire := xrequire.New(t)
+
+	xrequire.Nil(err)    // want `use require.NoError instead of comparing error to nil`
+	xrequire.NotNil(err) // want `use require.Error instead of comparing error to nil`
+	xassert.Nil(err)     // want `use assert.NoError instead of comparing error to nil`
+	xassert.NotNil(err)  // want `use assert.Error instead of comparing error to nil`
+
+	xrequire.Nilf(err, "%s", "a")    // want `use require.NoErrorf instead of comparing error to nil`
+	xrequire.NotNilf(err, "%s", "a") // want `use require.Errorf instead of comparing error to nil`
+	xassert.Nilf(err, "%s", "a")     // want `use assert.NoErrorf instead of comparing error to nil`
+	xassert.NotNilf(err, "%s", "a")  // want `use assert.Errorf instead of comparing error to nil`
+
+	p := new(int)
+
+	xrequire.Nil(p)
+	xrequire.NotNil(p)
+	xassert.Nil(p)
+	xassert.NotNil(p)
+
+	xrequire.Nilf(p, "%s", "a")
+	xrequire.NotNilf(p, "%s", "a")
+	xassert.Nilf(p, "%s", "a")
+	xassert.NotNilf(p, "%s", "a")
+}