170 lines
3.4 KiB
Go
170 lines
3.4 KiB
Go
// Copyright 2019 Sorint.lab
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package sequence
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import (
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"errors"
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"math"
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"testing"
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"github.com/google/go-cmp/cmp"
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)
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func TestString(t *testing.T) {
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tests := []struct {
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name string
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in *Sequence
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out string
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}{
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{
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name: "test zero value",
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in: &Sequence{
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Epoch: 0,
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C: 0,
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},
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out: "0000000000000-0000000000000",
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},
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{
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name: "test one value",
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in: &Sequence{
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Epoch: 1,
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C: 1,
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},
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out: "0000000000001-0000000000001",
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},
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{
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name: "test 32 value",
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in: &Sequence{
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Epoch: 32,
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C: 32,
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},
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out: "0000000000010-0000000000010",
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},
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{
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name: "test max uint 32 value",
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in: &Sequence{
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Epoch: math.MaxUint32,
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C: math.MaxUint32,
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},
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out: "0000003vvvvvv-0000003vvvvvv",
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},
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{
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name: "test max value",
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in: &Sequence{
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Epoch: math.MaxUint64,
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C: math.MaxUint64,
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},
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out: "fvvvvvvvvvvvv-fvvvvvvvvvvvv",
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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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out := tt.in.String()
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if out != tt.out {
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t.Fatalf("expected %q, got %q", tt.out, out)
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}
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})
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}
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}
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func TestParse(t *testing.T) {
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tests := []struct {
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name string
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in string
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out *Sequence
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err error
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}{
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{
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name: "test zero value",
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in: "0000000000000-0000000000000",
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out: &Sequence{
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Epoch: 0,
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C: 0,
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},
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},
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{
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name: "test one value",
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in: "0000000000001-0000000000001",
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out: &Sequence{
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Epoch: 1,
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C: 1,
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},
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},
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{
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name: "test 32 value",
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in: "0000000000010-0000000000010",
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out: &Sequence{
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Epoch: 32,
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C: 32,
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},
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},
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{
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name: "test max uint 32 value",
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in: "0000003vvvvvv-0000003vvvvvv",
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out: &Sequence{
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Epoch: math.MaxUint32,
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C: math.MaxUint32,
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},
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},
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{
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name: "test max value",
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in: "fvvvvvvvvvvvv-fvvvvvvvvvvvv",
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out: &Sequence{
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Epoch: math.MaxUint64,
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C: math.MaxUint64,
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},
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},
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{
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name: "test wrong string length",
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in: "fvvvvvvvvvvvv-fvvvvvvvvvvv",
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out: &Sequence{
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Epoch: math.MaxUint64,
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C: math.MaxUint64,
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},
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err: errors.New(`bad sequence "fvvvvvvvvvvvv-fvvvvvvvvvvv" string length`),
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},
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{
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name: "test wrong string format",
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in: "fvvvvvvvvvvvv-fvvv-vvvvvvvv",
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out: &Sequence{
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Epoch: math.MaxUint64,
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C: math.MaxUint64,
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},
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err: errors.New(`bad sequence "fvvvvvvvvvvvv-fvvv-vvvvvvvv"`),
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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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out, err := Parse(tt.in)
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if err != nil {
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if tt.err == nil {
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t.Fatalf("got error: %v, want nil error", err)
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}
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if tt.err.Error() != err.Error() {
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t.Fatalf("got error: %v, want error: %v", err, tt.err)
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}
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return
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} else if tt.err != nil {
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t.Fatalf("got nil error, want error: %v", tt.err)
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}
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if diff := cmp.Diff(tt.out, out); diff != "" {
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t.Fatal(diff)
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}
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})
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}
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}
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