integrate request builder into HTTP client for googleapis support (#157)

builder/used_fields_test.go

@@ -0,0 +1,78 @@
+package builder
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestNewUsedFields(t *testing.T) {
+	u := newUsedFields()
+	require.NotNil(t, u)
+	require.NotNil(t, u.full)
+	require.NotNil(t, u.top)
+	require.Len(t, u.full, 0)
+	require.Len(t, u.top, 0)
+}
+
+func TestUsedFields_Add(t *testing.T) {
+	u := newUsedFields()
+
+	u.add("user.name")
+	u.add("profile")
+
+	_, ok := u.full["user.name"]
+	require.True(t, ok)
+
+	_, ok = u.full["profile"]
+	require.True(t, ok)
+
+	_, ok = u.top["user"]
+	require.True(t, ok)
+
+	_, ok = u.top["profile"]
+	require.True(t, ok)
+
+	require.Len(t, u.full, 2)
+	require.Len(t, u.top, 2)
+}
+
+func TestUsedFields_HasFullKey(t *testing.T) {
+	u := newUsedFields()
+	u.add("user.name")
+
+	require.True(t, u.hasFullKey("user.name"))
+	require.False(t, u.hasFullKey("user.email"))
+}
+
+func TestUsedFields_HasTopLevelKey(t *testing.T) {
+	u := newUsedFields()
+	u.add("user.name")
+	u.add("settings.theme")
+
+	require.True(t, u.hasTopLevelKey("user"))
+	require.True(t, u.hasTopLevelKey("settings"))
+	require.False(t, u.hasTopLevelKey("profile"))
+}
+
+func TestUsedFields_AddDuplicate(t *testing.T) {
+	u := newUsedFields()
+	u.add("user.name")
+	u.add("user.name")
+
+	require.True(t, u.hasFullKey("user.name"))
+	require.True(t, u.hasTopLevelKey("user"))
+	require.Len(t, u.full, 1)
+	require.Len(t, u.top, 1)
+}
+
+func TestUsedFields_Len(t *testing.T) {
+	u := newUsedFields()
+
+	u.add("user.name")
+	u.add("profile")
+	u.add("user.name")
+	u.add("profile")
+
+	require.Equal(t, u.len(), 2)
+}