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filter_test.go
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filter_test.go
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// Copyright 2022 Twitter, Inc.
//
// 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
//
// http://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
// limitations under the License.
package main
import (
"fmt"
"regexp"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func Test_parseFilter(t *testing.T) {
tests := []struct {
name string
in string
want filter
wantErr require.ErrorAssertionFunc
}{
{name: "empty spec",
in: "",
wantErr: require.Error},
{name: "exact match",
in: "foo",
want: exact("foo"),
wantErr: require.NoError},
{name: "exact match inverted",
in: "^foo",
want: exclude{exact("foo")},
wantErr: require.NoError},
{name: "pattern",
in: "/re/",
want: pattern{regexp.MustCompile("re")},
wantErr: require.NoError},
{name: "pattern missing trailing slash",
in: "/re",
want: exact("/re"),
wantErr: require.NoError},
{name: "pattern parse error",
in: "/re(/",
wantErr: require.Error},
{name: "pattern inverted",
in: "^/re/",
want: exclude{pattern{regexp.MustCompile("re")}},
wantErr: require.NoError},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := parseFilter(tt.in)
tt.wantErr(t, err, fmt.Sprintf("parseFilter(%q)", tt.in))
assert.Equalf(t, tt.want, got, "parseFilter(%q)", tt.in)
})
}
}
func TestExact(t *testing.T) {
v := exact("foo")
assert.True(t, v.additive())
assert.True(t, v.match("foo"))
assert.False(t, v.match("bar"))
}
func TestPattern(t *testing.T) {
v := pattern{regexp.MustCompile("^re")}
assert.True(t, v.additive())
assert.False(t, v.match("are"))
assert.True(t, v.match("res"))
}
func TestExclude(t *testing.T) {
v := exclude{exact("foo")}
assert.False(t, v.additive())
assert.False(t, v.match("bar"))
assert.True(t, v.match("foo"))
}