(Feat): Initial Commit

internal/util/string_test.go

@@ -0,0 +1,82 @@
+package util_test
+
+import (
+	"encoding/base64"
+	"encoding/hex"
+	"testing"
+
+	"allaboutapps.dev/aw/go-starter/internal/util"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestGenerateRandom(t *testing.T) {
+	res, err := util.GenerateRandomBytes(13)
+	require.NoError(t, err)
+	assert.Len(t, res, 13)
+
+	randString, err := util.GenerateRandomBase64String(17)
+	require.NoError(t, err)
+	res, err = base64.StdEncoding.DecodeString(randString)
+	require.NoError(t, err)
+	assert.Len(t, res, 17)
+
+	randString, err = util.GenerateRandomHexString(19)
+	require.NoError(t, err)
+	res, err = hex.DecodeString(randString)
+	require.NoError(t, err)
+	assert.Len(t, res, 19)
+
+	randString, err = util.GenerateRandomString(19, []util.CharRange{util.CharRangeAlphaLowerCase}, "/%$")
+	require.NoError(t, err)
+	assert.Len(t, randString, 19)
+	for _, r := range randString {
+		assert.True(t, (r >= 'a' && r <= 'z') || r == '/' || r == '%' || r == '$')
+	}
+
+	randString, err = util.GenerateRandomString(19, []util.CharRange{util.CharRangeAlphaUpperCase}, "^\"")
+	require.NoError(t, err)
+	assert.Len(t, randString, 19)
+	for _, r := range randString {
+		assert.True(t, (r >= 'A' && r <= 'Z') || r == '^' || r == '"')
+	}
+
+	randString, err = util.GenerateRandomString(19, []util.CharRange{util.CharRangeNumeric}, "")
+	require.NoError(t, err)
+	assert.Len(t, randString, 19)
+	for _, r := range randString {
+		assert.True(t, (r >= '0' && r <= '9'))
+	}
+
+	_, err = util.GenerateRandomString(1, nil, "")
+	require.Error(t, err)
+
+	randString, err = util.GenerateRandomString(8, nil, "a")
+	require.NoError(t, err)
+	assert.Len(t, randString, 8)
+	assert.Equal(t, "aaaaaaaa", randString)
+}
+
+func TestNonEmptyOrNil(t *testing.T) {
+	assert.Equal(t, "test", *util.NonEmptyOrNil("test"))
+	assert.Equal(t, (*string)(nil), util.NonEmptyOrNil(""))
+}
+
+func TestContainsAll(t *testing.T) {
+	assert.True(t, util.ContainsAll("Lorem ipsum dolor sit amet, consectetur adipiscing elit.", "dolor"))
+	assert.False(t, util.ContainsAll("Lorem ipsum dolor sit amet, consectetur adipiscing elit.", "dolorx"))
+
+	assert.True(t, util.ContainsAll("Lorem ipsum dolor sit amet, consectetur adipiscing elit.", ".", "sit", "elit", "ipsum", "Lorem ipsum"))
+	assert.False(t, util.ContainsAll("Lorem ipsum dolor sit amet, consectetur adipiscing elit.", ".", "sit", "elit", "ipsum", " Lorem"))
+
+	assert.True(t, util.ContainsAll("Lorem ipsum dolor sit amet,  ÄÜiö consectetur adipiscing elit.", "ÄÜiö c"))
+
+	assert.False(t, util.ContainsAll("", "ÄÜiö c"))
+	assert.True(t, util.ContainsAll("Lorem ipsum dolor sit amet,  ÄÜiö consectetur adipiscing elit.", ""))
+}
+
+func TestEmptyIfNil(t *testing.T) {
+	s := "Lorem ipsum"
+	assert.Equal(t, s, util.EmptyIfNil(&s))
+	assert.Empty(t, util.EmptyIfNil(nil))
+}