mirror of
https://github.com/ProtonMail/proton-bridge.git
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72 lines
2.1 KiB
Go
72 lines
2.1 KiB
Go
// Copyright (c) 2023 Proton AG
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//
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// This file is part of Proton Mail Bridge.
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//
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// Proton Mail Bridge is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Proton Mail Bridge is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
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package algo
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import (
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"testing"
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"github.com/google/go-cmp/cmp"
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)
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type T struct {
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k, v int
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}
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func TestSetIntersection(t *testing.T) {
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keysAreEqual := func(a, b interface{}) bool {
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return a.(T).k == b.(T).k //nolint:forcetypeassert
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}
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type args struct {
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a interface{}
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b interface{}
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eq func(a, b interface{}) bool
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}
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tests := []struct {
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name string
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args args
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want interface{}
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}{
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{
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name: "integer sets",
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args: args{a: []int{1, 2, 3}, b: []int{3, 4, 5}, eq: func(a, b interface{}) bool { return a == b }},
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want: []int{3},
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},
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{
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name: "string sets",
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args: args{a: []string{"1", "2", "3"}, b: []string{"3", "4", "5"}, eq: func(a, b interface{}) bool { return a == b }},
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want: []string{"3"},
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},
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{
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name: "custom comp, only compare on keys, prefer first set if keys are the same",
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args: args{a: []T{{k: 1, v: 1}, {k: 2, v: 2}}, b: []T{{k: 2, v: 1234}, {k: 3, v: 3}}, eq: keysAreEqual},
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want: []T{{k: 2, v: 2}},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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// using cmp.Equal because it handles the interfaces correctly; testify/assert doesn't
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// treat these as equal because their types are different ([]interface vs []int)
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if got := SetIntersection(tt.args.a, tt.args.b, tt.args.eq); cmp.Equal(got, tt.want) {
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t.Errorf("SetIntersection() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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