# Copyright 2020 The Feast Authors

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

# https://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

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from datetime import timedelta

from feast import BigQuerySource

from feast.entity import Entity

from feast.feature_view import FeatureView

from feast.field import Field

from feast.types import String

from feast.utils import _get_column_names

def test_get_column_names_preserves_feature_ordering():

entity = Entity(name="my-entity", description="My entity")

fv = FeatureView(

name="my-fv",

entities=[entity],

ttl=timedelta(days=1),

source=BigQuerySource(table="non-existent-mock"),

schema=[

Field(name="a", dtype=String),

Field(name="b", dtype=String),

Field(name="c", dtype=String),

Field(name="d", dtype=String),

Field(name="e", dtype=String),

Field(name="f", dtype=String),

Field(name="g", dtype=String),

Field(name="h", dtype=String),

Field(name="i", dtype=String),

Field(name="j", dtype=String),

],

)

_, feature_list, _, _ = _get_column_names(fv, [entity])

assert feature_list == ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j"]