| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package filelock |
| 4 | |
| 5 | import ( |
| 6 | "os" |
| 7 | "testing" |
| 8 | |
| 9 | "github.com/stretchr/testify/assert" |
| 10 | "github.com/stretchr/testify/require" |
| 11 | ) |
| 12 | |
| 13 | func TestNew(t *testing.T) { |
| 14 | assert.NotNil(t, New("")) |
| 15 | } |
| 16 | |
| 17 | func TestLocker_Lock(t *testing.T) { |
| 18 | tests := map[string]func(t *testing.T, dir string){ |
| 19 | "register a lock": func(t *testing.T, dir string) { |
| 20 | reg := New(dir) |
| 21 | |
| 22 | ok, err := reg.Lock("name") |
| 23 | assert.True(t, ok) |
| 24 | assert.NoError(t, err) |
| 25 | }, |
| 26 | "register the same lock twice": func(t *testing.T, dir string) { |
| 27 | reg := New(dir) |
| 28 | |
| 29 | ok, err := reg.Lock("name") |
| 30 | require.True(t, ok) |
| 31 | require.NoError(t, err) |
| 32 | |
| 33 | ok, err = reg.Lock("name") |
| 34 | assert.True(t, ok) |
| 35 | assert.NoError(t, err) |
| 36 | }, |
| 37 | "failed to register locked by other process lock": func(t *testing.T, dir string) { |
| 38 | reg1 := New(dir) |
| 39 | reg2 := New(dir) |
| 40 | |
| 41 | ok, err := reg1.Lock("name") |
| 42 | require.True(t, ok) |
| 43 | require.NoError(t, err) |
| 44 | |
| 45 | ok, err = reg2.Lock("name") |
| 46 | assert.False(t, ok) |
| 47 | assert.NoError(t, err) |
| 48 | }, |
| 49 | "failed to register because a directory doesnt exist": func(t *testing.T, dir string) { |
| 50 | reg := New(dir + dir) |
| 51 | |
| 52 | ok, err := reg.Lock("name") |
| 53 | assert.False(t, ok) |
| 54 | assert.Error(t, err) |
| 55 | }, |
| 56 | } |
| 57 | |
| 58 | for name, test := range tests { |
| 59 | t.Run(name, func(t *testing.T) { |
| 60 | dir, err := os.MkdirTemp(os.TempDir(), "netdata-go-test-file-lock-registry") |
| 61 | require.NoError(t, err) |
| 62 | defer func() { require.NoError(t, os.RemoveAll(dir)) }() |
| 63 | |
| 64 | test(t, dir) |
| 65 | }) |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | func TestLocker_Unlock(t *testing.T) { |
| 70 | tests := map[string]func(t *testing.T, dir string){ |
| 71 | "unregister a lock": func(t *testing.T, dir string) { |
| 72 | reg := New(dir) |
| 73 | |
| 74 | ok, err := reg.Lock("name") |
| 75 | require.True(t, ok) |
| 76 | require.NoError(t, err) |
| 77 | reg.Unlock("name") |
| 78 | |
| 79 | assert.False(t, reg.isLocked("name")) |
| 80 | }, |
| 81 | "unregister not registered lock": func(t *testing.T, dir string) { |
| 82 | reg := New(dir) |
| 83 | |
| 84 | reg.Unlock("name") |
| 85 | |
| 86 | assert.False(t, reg.isLocked("name")) |
| 87 | }, |
| 88 | } |
| 89 | |
| 90 | for name, test := range tests { |
| 91 | t.Run(name, func(t *testing.T) { |
| 92 | dir, err := os.MkdirTemp(os.TempDir(), "netdata-go-test-file-lock-registry") |
| 93 | require.NoError(t, err) |
| 94 | defer func() { require.NoError(t, os.RemoveAll(dir)) }() |
| 95 | |
| 96 | test(t, dir) |
| 97 | }) |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | func TestLocker_UnlockAll(t *testing.T) { |
| 102 | tests := map[string]func(t *testing.T, dir string){ |
| 103 | "unlock all": func(t *testing.T, dir string) { |
| 104 | reg := New(dir) |
| 105 | |
| 106 | ok, err := reg.Lock("name1") |
| 107 | require.True(t, ok) |
| 108 | require.NoError(t, err) |
| 109 | |
| 110 | ok, err = reg.Lock("name2") |
| 111 | require.True(t, ok) |
| 112 | require.NoError(t, err) |
| 113 | |
| 114 | reg.UnlockAll() |
| 115 | |
| 116 | assert.False(t, reg.isLocked("name1")) |
| 117 | assert.False(t, reg.isLocked("name2")) |
| 118 | }, |
| 119 | } |
| 120 | |
| 121 | for name, test := range tests { |
| 122 | t.Run(name, func(t *testing.T) { |
| 123 | dir, err := os.MkdirTemp(os.TempDir(), "netdata-go-test-file-lock-registry") |
| 124 | require.NoError(t, err) |
| 125 | defer func() { require.NoError(t, os.RemoveAll(dir)) }() |
| 126 | |
| 127 | test(t, dir) |
| 128 | }) |
| 129 | } |
| 130 | } |