github.com/bugraaydogar/snapd@v0.0.0-20210315170335-8c70bb858939/interfaces/builtin/export_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
    21  
    22  import (
    23  	"fmt"
    24  
    25  	. "gopkg.in/check.v1"
    26  
    27  	"github.com/snapcore/snapd/interfaces"
    28  	"github.com/snapcore/snapd/snap"
    29  	"github.com/snapcore/snapd/snap/snaptest"
    30  )
    31  
    32  var (
    33  	RegisterIface               = registerIface
    34  	ResolveSpecialVariable      = resolveSpecialVariable
    35  	ImplicitSystemPermanentSlot = implicitSystemPermanentSlot
    36  	ImplicitSystemConnectedSlot = implicitSystemConnectedSlot
    37  	LabelExpr                   = labelExpr
    38  	PlugAppLabelExpr            = plugAppLabelExpr
    39  	SlotAppLabelExpr            = slotAppLabelExpr
    40  	AareExclusivePatterns       = aareExclusivePatterns
    41  	GetDesktopFileRules         = getDesktopFileRules
    42  )
    43  
    44  func MprisGetName(iface interfaces.Interface, attribs map[string]interface{}) (string, error) {
    45  	return iface.(*mprisInterface).getName(attribs)
    46  }
    47  
    48  // MockInterfaces replaces the set of known interfaces and returns a restore function.
    49  func MockInterfaces(ifaces map[string]interfaces.Interface) (restore func()) {
    50  	old := allInterfaces
    51  	allInterfaces = ifaces
    52  	return func() { allInterfaces = old }
    53  }
    54  
    55  // Interface returns the interface with the given name (or nil).
    56  func Interface(name string) interfaces.Interface {
    57  	return allInterfaces[name]
    58  }
    59  
    60  // MustInterface returns the interface with the given name or panics.
    61  func MustInterface(name string) interfaces.Interface {
    62  	if iface, ok := allInterfaces[name]; ok {
    63  		return iface
    64  	}
    65  	panic(fmt.Errorf("cannot find interface with name %q", name))
    66  }
    67  
    68  func MockPlug(c *C, yaml string, si *snap.SideInfo, plugName string) *snap.PlugInfo {
    69  	info := snaptest.MockInfo(c, yaml, si)
    70  	if plugInfo, ok := info.Plugs[plugName]; ok {
    71  		return plugInfo
    72  	}
    73  	panic(fmt.Sprintf("cannot find plug %q in snap %q", plugName, info.InstanceName()))
    74  }
    75  
    76  func MockSlot(c *C, yaml string, si *snap.SideInfo, slotName string) *snap.SlotInfo {
    77  	info := snaptest.MockInfo(c, yaml, si)
    78  	if slotInfo, ok := info.Slots[slotName]; ok {
    79  		return slotInfo
    80  	}
    81  	panic(fmt.Sprintf("cannot find slot %q in snap %q", slotName, info.InstanceName()))
    82  }
    83  
    84  func MockConnectedPlug(c *C, yaml string, si *snap.SideInfo, plugName string) (*interfaces.ConnectedPlug, *snap.PlugInfo) {
    85  	info := snaptest.MockInfo(c, yaml, si)
    86  	if plugInfo, ok := info.Plugs[plugName]; ok {
    87  		return interfaces.NewConnectedPlug(plugInfo, nil, nil), plugInfo
    88  	}
    89  	panic(fmt.Sprintf("cannot find plug %q in snap %q", plugName, info.InstanceName()))
    90  }
    91  
    92  func MockConnectedSlot(c *C, yaml string, si *snap.SideInfo, slotName string) (*interfaces.ConnectedSlot, *snap.SlotInfo) {
    93  	info := snaptest.MockInfo(c, yaml, si)
    94  	if slotInfo, ok := info.Slots[slotName]; ok {
    95  		return interfaces.NewConnectedSlot(slotInfo, nil, nil), slotInfo
    96  	}
    97  	panic(fmt.Sprintf("cannot find slot %q in snap %q", slotName, info.InstanceName()))
    98  }
    99  
   100  func MockOsGetenv(mock func(string) string) (restore func()) {
   101  	old := osGetenv
   102  	restore = func() {
   103  		osGetenv = old
   104  	}
   105  	osGetenv = mock
   106  
   107  	return restore
   108  }
   109  
   110  func MockProcCpuinfo(filename string) (restore func()) {
   111  	old := procCpuinfo
   112  	restore = func() {
   113  		procCpuinfo = old
   114  	}
   115  	procCpuinfo = filename
   116  
   117  	return restore
   118  }