context_test.go

package super_test

import (
	"testing"

	"github.com/brimdata/super"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestContextLookupByValueAndLookupTypeValue(t *testing.T) {
	sctx := super.NewContext()
	recType := sctx.MustLookupTypeRecord(nil)

	tv := super.EncodeTypeValue(recType)
	typ, err := sctx.LookupByValue(tv)
	require.NoError(t, err)
	assert.Equal(t, recType, typ)

	// Overwriting tv should not affect sctx's cached type value for recType.
	super.AppendTypeValue(tv[:0], super.TypeNull)
	val := sctx.LookupTypeValue(recType)
	assert.Exactly(t, super.EncodeTypeValue(recType), []byte(val.Bytes()))
}

func TestContextLookupTypeNamedErrors(t *testing.T) {
	sctx := super.NewContext()

	_, err := sctx.LookupTypeNamed("\xff", super.TypeNull)
	assert.EqualError(t, err, `bad type name "\xff": invalid UTF-8`)

	_, err = sctx.LookupTypeNamed("null", super.TypeNull)
	assert.EqualError(t, err, `named type collides with primitive type: null`)
}

func TestContextLookupTypeNamedAndLookupTypeDef(t *testing.T) {
	sctx := super.NewContext()

	assert.Nil(t, sctx.LookupByName("x"))

	named1, err := sctx.LookupTypeNamed("x", super.TypeNull)
	require.NoError(t, err)
	assert.Same(t, named1, sctx.LookupByName("x"))
}