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type_info_test.go
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type_info_test.go
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package duckdb
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestTypeInfo(t *testing.T) {
var primitiveTypes []Type
for k := range typeToStringMap {
_, inMap := unsupportedTypeToStringMap[k]
if inMap && k != TYPE_ANY {
continue
}
switch k {
case TYPE_DECIMAL, TYPE_ENUM, TYPE_LIST, TYPE_STRUCT, TYPE_MAP:
continue
}
primitiveTypes = append(primitiveTypes, k)
}
// Create each primitive type information.
var typeInfos []TypeInfo
for _, primitive := range primitiveTypes {
info, err := NewTypeInfo(primitive)
require.NoError(t, err)
typeInfos = append(typeInfos, info)
}
// Create nested types.
decimalInfo, err := NewDecimalInfo(3, 2)
require.NoError(t, err)
enumInfo, err := NewEnumInfo("hello", "world", "!")
require.NoError(t, err)
listInfo, err := NewListInfo(decimalInfo)
require.NoError(t, err)
nestedListInfo, err := NewListInfo(listInfo)
require.NoError(t, err)
firstEntry, err := NewStructEntry(enumInfo, "hello")
require.NoError(t, err)
secondEntry, err := NewStructEntry(nestedListInfo, "world")
require.NoError(t, err)
structInfo, err := NewStructInfo(firstEntry, secondEntry)
require.NoError(t, err)
firstEntry, err = NewStructEntry(structInfo, "hello")
require.NoError(t, err)
secondEntry, err = NewStructEntry(listInfo, "world")
require.NoError(t, err)
nestedStructInfo, err := NewStructInfo(firstEntry, secondEntry)
require.NoError(t, err)
mapInfo, err := NewMapInfo(nestedStructInfo, nestedListInfo)
require.NoError(t, err)
typeInfos = append(typeInfos, decimalInfo, enumInfo, listInfo, nestedListInfo, structInfo, nestedStructInfo, mapInfo)
// Use each type as a child.
for _, info := range typeInfos {
_, err = NewListInfo(info)
require.NoError(t, err)
}
}
func TestErrTypeInfo(t *testing.T) {
t.Parallel()
var incorrectTypes []Type
incorrectTypes = append(incorrectTypes, TYPE_DECIMAL, TYPE_ENUM, TYPE_LIST, TYPE_STRUCT, TYPE_MAP)
for _, incorrect := range incorrectTypes {
_, err := NewTypeInfo(incorrect)
testError(t, err, errAPI.Error(), tryOtherFuncErrMsg)
}
var unsupportedTypes []Type
for k := range unsupportedTypeToStringMap {
if k != TYPE_ANY {
unsupportedTypes = append(unsupportedTypes, k)
}
}
for _, unsupported := range unsupportedTypes {
_, err := NewTypeInfo(unsupported)
testError(t, err, errAPI.Error(), unsupportedTypeErrMsg)
}
// Invalid DECIMAL.
_, err := NewDecimalInfo(0, 0)
testError(t, err, errAPI.Error(), errInvalidDecimalWidth.Error())
_, err = NewDecimalInfo(42, 20)
testError(t, err, errAPI.Error(), errInvalidDecimalWidth.Error())
_, err = NewDecimalInfo(5, 6)
testError(t, err, errAPI.Error(), errInvalidDecimalScale.Error())
// Invalid ENUM.
_, err = NewEnumInfo("hello", "hello")
testError(t, err, errAPI.Error(), duplicateNameErrMsg)
_, err = NewEnumInfo("hello", "world", "hello")
testError(t, err, errAPI.Error(), duplicateNameErrMsg)
validInfo, err := NewTypeInfo(TYPE_FLOAT)
require.NoError(t, err)
// Invalid STRUCT entry.
_, err = NewStructEntry(validInfo, "")
testError(t, err, errAPI.Error(), errEmptyName.Error())
validStructEntry, err := NewStructEntry(validInfo, "hello")
require.NoError(t, err)
otherValidStructEntry, err := NewStructEntry(validInfo, "you")
require.NoError(t, err)
nilStructEntry, err := NewStructEntry(nil, "hello")
require.NoError(t, err)
// Invalid interfaces.
_, err = NewListInfo(nil)
testError(t, err, errAPI.Error(), interfaceIsNilErrMsg)
_, err = NewStructInfo(nil)
testError(t, err, errAPI.Error(), interfaceIsNilErrMsg)
_, err = NewStructInfo(validStructEntry, nil)
testError(t, err, errAPI.Error(), interfaceIsNilErrMsg)
_, err = NewStructInfo(nilStructEntry, validStructEntry)
testError(t, err, errAPI.Error(), interfaceIsNilErrMsg)
_, err = NewStructInfo(validStructEntry, nilStructEntry)
testError(t, err, errAPI.Error(), interfaceIsNilErrMsg)
_, err = NewStructInfo(validStructEntry, validStructEntry)
testError(t, err, errAPI.Error(), duplicateNameErrMsg)
_, err = NewStructInfo(validStructEntry, otherValidStructEntry, validStructEntry)
testError(t, err, errAPI.Error(), duplicateNameErrMsg)
_, err = NewMapInfo(nil, validInfo)
testError(t, err, errAPI.Error(), interfaceIsNilErrMsg)
_, err = NewMapInfo(validInfo, nil)
testError(t, err, errAPI.Error(), interfaceIsNilErrMsg)
}