github.com/kubiko/snapd@v0.0.0-20201013125620-d4f3094d9ddf/interfaces/builtin/hardware_random_observe_test.go (about) 1 // -*- Mode: Go; indent-tabs-mode: t -*- 2 3 /* 4 * Copyright (C) 2016-2017 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/testutil" 31 ) 32 33 type HardwareRandomObserveInterfaceSuite struct { 34 iface interfaces.Interface 35 slotInfo *snap.SlotInfo 36 slot *interfaces.ConnectedSlot 37 plugInfo *snap.PlugInfo 38 plug *interfaces.ConnectedPlug 39 } 40 41 var _ = Suite(&HardwareRandomObserveInterfaceSuite{ 42 iface: builtin.MustInterface("hardware-random-observe"), 43 }) 44 45 const hardwareRandomObserveConsumerYaml = `name: consumer 46 version: 0 47 apps: 48 app: 49 plugs: [hardware-random-observe] 50 ` 51 52 const hardwareRandomObserveCoreYaml = `name: core 53 version: 0 54 type: os 55 slots: 56 hardware-random-observe: 57 ` 58 59 func (s *HardwareRandomObserveInterfaceSuite) SetUpTest(c *C) { 60 s.plug, s.plugInfo = MockConnectedPlug(c, hardwareRandomObserveConsumerYaml, nil, "hardware-random-observe") 61 s.slot, s.slotInfo = MockConnectedSlot(c, hardwareRandomObserveCoreYaml, nil, "hardware-random-observe") 62 } 63 64 func (s *HardwareRandomObserveInterfaceSuite) TestName(c *C) { 65 c.Assert(s.iface.Name(), Equals, "hardware-random-observe") 66 } 67 68 func (s *HardwareRandomObserveInterfaceSuite) TestSanitizeSlot(c *C) { 69 c.Assert(interfaces.BeforePrepareSlot(s.iface, s.slotInfo), IsNil) 70 } 71 72 func (s *HardwareRandomObserveInterfaceSuite) TestSanitizePlug(c *C) { 73 c.Assert(interfaces.BeforePreparePlug(s.iface, s.plugInfo), IsNil) 74 } 75 76 func (s *HardwareRandomObserveInterfaceSuite) TestAppArmorSpec(c *C) { 77 spec := &apparmor.Specification{} 78 c.Assert(spec.AddConnectedPlug(s.iface, s.plug, s.slot), IsNil) 79 c.Assert(spec.SecurityTags(), DeepEquals, []string{"snap.consumer.app"}) 80 c.Assert(spec.SnippetForTag("snap.consumer.app"), testutil.Contains, "hw_random/rng_{available,current} r,") 81 } 82 83 func (s *HardwareRandomObserveInterfaceSuite) TestUDevSpec(c *C) { 84 spec := &udev.Specification{} 85 c.Assert(spec.AddConnectedPlug(s.iface, s.plug, s.slot), IsNil) 86 c.Assert(spec.Snippets(), HasLen, 2) 87 c.Assert(spec.Snippets(), testutil.Contains, `# hardware-random-observe 88 KERNEL=="hwrng", TAG+="snap_consumer_app"`) 89 c.Assert(spec.Snippets(), testutil.Contains, `TAG=="snap_consumer_app", RUN+="/usr/lib/snapd/snap-device-helper $env{ACTION} snap_consumer_app $devpath $major:$minor"`) 90 } 91 92 func (s *HardwareRandomObserveInterfaceSuite) TestStaticInfo(c *C) { 93 si := interfaces.StaticInfoOf(s.iface) 94 c.Assert(si.ImplicitOnCore, Equals, true) 95 c.Assert(si.ImplicitOnClassic, Equals, true) 96 c.Assert(si.Summary, Equals, `allows reading from hardware random number generator`) 97 c.Assert(si.BaseDeclarationSlots, testutil.Contains, "hardware-random-observe") 98 } 99 100 func (s *HardwareRandomObserveInterfaceSuite) TestAutoConnect(c *C) { 101 c.Assert(s.iface.AutoConnect(s.plugInfo, s.slotInfo), Equals, true) 102 } 103 104 func (s *HardwareRandomObserveInterfaceSuite) TestInterfaces(c *C) { 105 c.Check(builtin.Interfaces(), testutil.DeepContains, s.iface) 106 }