Add test for strings functions

internal/util/strings_test.go

@@ -0,0 +1,48 @@
+package util
+
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestIsSeparator(t *testing.T) {
+	t.Run("rune A", func(t *testing.T) {
+		assert.Equal(t, false, isSeparator('A'))
+	})
+	t.Run("rune 9", func(t *testing.T) {
+		assert.Equal(t, false, isSeparator('9'))
+	})
+	t.Run("rune /", func(t *testing.T) {
+		assert.Equal(t, true, isSeparator('/'))
+	})
+	t.Run("rune \\", func(t *testing.T) {
+		assert.Equal(t, true, isSeparator('\\'))
+	})
+	t.Run("rune ♥ ", func(t *testing.T) {
+		assert.Equal(t, false, isSeparator('♥'))
+	})
+	t.Run("rune  space", func(t *testing.T) {
+		assert.Equal(t, true, isSeparator(' '))
+	})
+	t.Run("rune '", func(t *testing.T) {
+		assert.Equal(t, false, isSeparator('\''))
+	})
+}
+
+func TestUcFirst(t *testing.T) {
+	t.Run("photo-lover", func(t *testing.T) {
+		assert.Equal(t, "Photo-lover", UcFirst("photo-lover"))
+	})
+	t.Run("cat", func(t *testing.T) {
+		assert.Equal(t, "Cat", UcFirst("Cat"))
+	})
+}
+
+func TestTitle(t *testing.T) {
+	t.Run("photo-lover", func(t *testing.T) {
+		assert.Equal(t, "Browse Your Life In Pictures", Title("Browse your life in pictures"))
+	})
+	t.Run("cat", func(t *testing.T) {
+		assert.Equal(t, "Photo-Lover", Title("photo-lover"))
+	})
+}