Move funcs package to internal (#1977)

Signed-off-by: Dave Henderson <dhenderson@gmail.com>

1 files changed, 63 insertions, 0 deletions

diff --git a/internal/funcs/conv_test.go b/internal/funcs/conv_test.go
new file mode 100644
index 00000000..b20f013c
--- /dev/null
+++ b/internal/funcs/conv_test.go
@@ -0,0 +1,63 @@
+package funcs
+
+import (
+	"context"
+	"fmt"
+	"strconv"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestCreateConvFuncs(t *testing.T) {
+	t.Parallel()
+
+	for i := 0; i < 10; i++ {
+		// Run this a bunch to catch race conditions
+		t.Run(strconv.Itoa(i), func(t *testing.T) {
+			t.Parallel()
+
+			ctx := context.Background()
+			fmap := CreateConvFuncs(ctx)
+			actual := fmap["conv"].(func() interface{})
+
+			assert.Equal(t, ctx, actual().(*ConvFuncs).ctx)
+		})
+	}
+}
+
+func TestDefault(t *testing.T) {
+	t.Parallel()
+
+	s := struct{}{}
+	c := &ConvFuncs{}
+	def := "DEFAULT"
+	data := []struct {
+		val   interface{}
+		empty bool
+	}{
+		{0, true},
+		{1, false},
+		{nil, true},
+		{"", true},
+		{"foo", false},
+		{[]string{}, true},
+		{[]string{"foo"}, false},
+		{[]string{""}, false},
+		{c, false},
+		{s, false},
+	}
+
+	for _, d := range data {
+		d := d
+		t.Run(fmt.Sprintf("%T/%#v empty==%v", d.val, d.val, d.empty), func(t *testing.T) {
+			t.Parallel()
+
+			if d.empty {
+				assert.Equal(t, def, c.Default(def, d.val))
+			} else {
+				assert.Equal(t, d.val, c.Default(def, d.val))
+			}
+		})
+	}
+}