github.com/rigado/snapd@v2.42.5-go-mod+incompatible/interfaces/builtin/iio_test.go (about) 1 // -*- Mode: Go; indent-tabs-mode: t -*- 2 3 /* 4 * Copyright (C) 2016 Canonical Ltd 5 * 6 * This program is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 3 as 8 * published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. 17 * 18 */ 19 20 package builtin_test 21 22 import ( 23 . "gopkg.in/check.v1" 24 25 "github.com/snapcore/snapd/interfaces" 26 "github.com/snapcore/snapd/interfaces/apparmor" 27 "github.com/snapcore/snapd/interfaces/builtin" 28 "github.com/snapcore/snapd/interfaces/udev" 29 "github.com/snapcore/snapd/snap" 30 "github.com/snapcore/snapd/snap/snaptest" 31 "github.com/snapcore/snapd/testutil" 32 ) 33 34 type IioInterfaceSuite struct { 35 testutil.BaseTest 36 iface interfaces.Interface 37 38 // OS Snap 39 testSlot1 *interfaces.ConnectedSlot 40 testSlot1Info *snap.SlotInfo 41 42 // Gadget Snap 43 testUDev1 *interfaces.ConnectedSlot 44 testUDev1Info *snap.SlotInfo 45 testUDev2 *interfaces.ConnectedSlot 46 testUDev2Info *snap.SlotInfo 47 testUDev3 *interfaces.ConnectedSlot 48 testUDev3Info *snap.SlotInfo 49 testUDevBadValue1 *interfaces.ConnectedSlot 50 testUDevBadValue1Info *snap.SlotInfo 51 testUDevBadValue2 *interfaces.ConnectedSlot 52 testUDevBadValue2Info *snap.SlotInfo 53 testUDevBadValue3 *interfaces.ConnectedSlot 54 testUDevBadValue3Info *snap.SlotInfo 55 testUDevBadValue4 *interfaces.ConnectedSlot 56 testUDevBadValue4Info *snap.SlotInfo 57 testUDevBadValue5 *interfaces.ConnectedSlot 58 testUDevBadValue5Info *snap.SlotInfo 59 testUDevBadValue6 *interfaces.ConnectedSlot 60 testUDevBadValue6Info *snap.SlotInfo 61 testUDevBadValue7 *interfaces.ConnectedSlot 62 testUDevBadValue7Info *snap.SlotInfo 63 testUDevBadValue8 *interfaces.ConnectedSlot 64 testUDevBadValue8Info *snap.SlotInfo 65 testUDevBadInterface1 *interfaces.ConnectedSlot 66 testUDevBadInterface1Info *snap.SlotInfo 67 68 // Consuming Snap 69 testPlugPort1 *interfaces.ConnectedPlug 70 testPlugPort1Info *snap.PlugInfo 71 } 72 73 var _ = Suite(&IioInterfaceSuite{ 74 iface: builtin.MustInterface("iio"), 75 }) 76 77 func (s *IioInterfaceSuite) SetUpTest(c *C) { 78 // Mock for OS Snap 79 osSnapInfo := snaptest.MockInfo(c, ` 80 name: ubuntu-core 81 version: 0 82 type: os 83 slots: 84 test-port-1: 85 interface: iio 86 path: /dev/iio:device0 87 `, nil) 88 s.testSlot1Info = osSnapInfo.Slots["test-port-1"] 89 90 // Mock for Gadget Snap 91 gadgetSnapInfo := snaptest.MockInfo(c, ` 92 name: some-device 93 version: 0 94 type: gadget 95 slots: 96 test-udev-1: 97 interface: iio 98 path: /dev/iio:device1 99 test-udev-2: 100 interface: iio 101 path: /dev/iio:device2 102 test-udev-3: 103 interface: iio 104 path: /dev/iio:device10000 105 test-udev-bad-value-1: 106 interface: iio 107 path: /dev/iio 108 test-udev-bad-value-2: 109 interface: iio 110 path: /dev/iio:devicea 111 test-udev-bad-value-3: 112 interface: iio 113 path: /dev/iio:device2a 114 test-udev-bad-value-4: 115 interface: iio 116 path: /dev/foo-0 117 test-udev-bad-value-5: 118 interface: iio 119 path: /dev/iio:devicefoo 120 test-udev-bad-value-6: 121 interface: iio 122 path: /dev/iio-device0 123 test-udev-bad-value-7: 124 interface: iio 125 path: "" 126 test-udev-bad-value-8: 127 interface: iio 128 test-udev-bad-interface-1: 129 interface: other-interface 130 `, nil) 131 s.testUDev1Info = gadgetSnapInfo.Slots["test-udev-1"] 132 s.testUDev1 = interfaces.NewConnectedSlot(s.testUDev1Info, nil, nil) 133 s.testUDev2Info = gadgetSnapInfo.Slots["test-udev-2"] 134 s.testUDev2 = interfaces.NewConnectedSlot(s.testUDev2Info, nil, nil) 135 s.testUDev3Info = gadgetSnapInfo.Slots["test-udev-3"] 136 s.testUDev3 = interfaces.NewConnectedSlot(s.testUDev3Info, nil, nil) 137 s.testUDevBadValue1Info = gadgetSnapInfo.Slots["test-udev-bad-value-1"] 138 s.testUDevBadValue1 = interfaces.NewConnectedSlot(s.testUDevBadValue1Info, nil, nil) 139 s.testUDevBadValue2Info = gadgetSnapInfo.Slots["test-udev-bad-value-2"] 140 s.testUDevBadValue2 = interfaces.NewConnectedSlot(s.testUDevBadValue2Info, nil, nil) 141 s.testUDevBadValue3Info = gadgetSnapInfo.Slots["test-udev-bad-value-3"] 142 s.testUDevBadValue3 = interfaces.NewConnectedSlot(s.testUDevBadValue3Info, nil, nil) 143 s.testUDevBadValue4Info = gadgetSnapInfo.Slots["test-udev-bad-value-4"] 144 s.testUDevBadValue4 = interfaces.NewConnectedSlot(s.testUDevBadValue4Info, nil, nil) 145 s.testUDevBadValue5Info = gadgetSnapInfo.Slots["test-udev-bad-value-5"] 146 s.testUDevBadValue5 = interfaces.NewConnectedSlot(s.testUDevBadValue5Info, nil, nil) 147 s.testUDevBadValue6Info = gadgetSnapInfo.Slots["test-udev-bad-value-6"] 148 s.testUDevBadValue6 = interfaces.NewConnectedSlot(s.testUDevBadValue6Info, nil, nil) 149 s.testUDevBadValue7Info = gadgetSnapInfo.Slots["test-udev-bad-value-7"] 150 s.testUDevBadValue7 = interfaces.NewConnectedSlot(s.testUDevBadValue7Info, nil, nil) 151 s.testUDevBadValue8Info = gadgetSnapInfo.Slots["test-udev-bad-value-8"] 152 s.testUDevBadValue8 = interfaces.NewConnectedSlot(s.testUDevBadValue8Info, nil, nil) 153 s.testUDevBadInterface1Info = gadgetSnapInfo.Slots["test-udev-bad-interface-1"] 154 s.testUDevBadInterface1 = interfaces.NewConnectedSlot(s.testUDevBadInterface1Info, nil, nil) 155 156 // Snap Consumers 157 consumingSnapInfo := snaptest.MockInfo(c, ` 158 name: client-snap 159 version: 0 160 plugs: 161 plug-for-port-1: 162 interface: iio 163 apps: 164 app-accessing-1-port: 165 command: foo 166 plugs: [iio] 167 `, nil) 168 s.testPlugPort1Info = consumingSnapInfo.Plugs["plug-for-port-1"] 169 s.testPlugPort1 = interfaces.NewConnectedPlug(s.testPlugPort1Info, nil, nil) 170 } 171 172 func (s *IioInterfaceSuite) TestName(c *C) { 173 c.Assert(s.iface.Name(), Equals, "iio") 174 } 175 176 func (s *IioInterfaceSuite) TestSanitizeBadGadgetSnapSlot(c *C) { 177 c.Assert(interfaces.BeforePrepareSlot(s.iface, s.testUDevBadValue1Info), ErrorMatches, "iio path attribute must be a valid device node") 178 c.Assert(interfaces.BeforePrepareSlot(s.iface, s.testUDevBadValue2Info), ErrorMatches, "iio path attribute must be a valid device node") 179 c.Assert(interfaces.BeforePrepareSlot(s.iface, s.testUDevBadValue3Info), ErrorMatches, "iio path attribute must be a valid device node") 180 c.Assert(interfaces.BeforePrepareSlot(s.iface, s.testUDevBadValue4Info), ErrorMatches, "iio path attribute must be a valid device node") 181 c.Assert(interfaces.BeforePrepareSlot(s.iface, s.testUDevBadValue5Info), ErrorMatches, "iio path attribute must be a valid device node") 182 c.Assert(interfaces.BeforePrepareSlot(s.iface, s.testUDevBadValue6Info), ErrorMatches, "iio path attribute must be a valid device node") 183 c.Assert(interfaces.BeforePrepareSlot(s.iface, s.testUDevBadValue7Info), ErrorMatches, "iio slot must have a path attribute") 184 c.Assert(interfaces.BeforePrepareSlot(s.iface, s.testUDevBadValue8Info), ErrorMatches, "iio slot must have a path attribute") 185 } 186 187 func (s *IioInterfaceSuite) TestConnectedPlugUDevSnippets(c *C) { 188 spec := &udev.Specification{} 189 c.Assert(spec.AddConnectedPlug(s.iface, s.testPlugPort1, s.testUDev1), IsNil) 190 c.Assert(spec.Snippets(), HasLen, 2) 191 c.Assert(spec.Snippets(), testutil.Contains, `# iio 192 KERNEL=="iio:device1", TAG+="snap_client-snap_app-accessing-1-port"`) 193 c.Assert(spec.Snippets(), testutil.Contains, `TAG=="snap_client-snap_app-accessing-1-port", RUN+="/usr/lib/snapd/snap-device-helper $env{ACTION} snap_client-snap_app-accessing-1-port $devpath $major:$minor"`) 194 } 195 196 func (s *IioInterfaceSuite) TestConnectedPlugAppArmorSnippets(c *C) { 197 expectedSnippet1 := ` 198 # Description: Give access to a specific IIO device on the system. 199 200 /dev/iio:device1 rw, 201 /sys/bus/iio/devices/iio:device1/ r, 202 /sys/bus/iio/devices/iio:device1/** rwk, 203 /sys/devices/**/iio:device1/ r, 204 /sys/devices/**/iio:device1/** rwk, 205 ` 206 apparmorSpec := &apparmor.Specification{} 207 err := apparmorSpec.AddConnectedPlug(s.iface, s.testPlugPort1, s.testUDev1) 208 c.Assert(err, IsNil) 209 c.Assert(apparmorSpec.SecurityTags(), DeepEquals, []string{"snap.client-snap.app-accessing-1-port"}) 210 snippet := apparmorSpec.SnippetForTag("snap.client-snap.app-accessing-1-port") 211 c.Assert(snippet, Equals, expectedSnippet1) 212 } 213 214 func (s *IioInterfaceSuite) TestAutoConnect(c *C) { 215 c.Check(s.iface.AutoConnect(nil, nil), Equals, true) 216 } 217 218 func (s *IioInterfaceSuite) TestInterfaces(c *C) { 219 c.Check(builtin.Interfaces(), testutil.DeepContains, s.iface) 220 }