lib/crunchrun/singularity_test.go

   1 // Copyright (C) The Arvados Authors. All rights reserved.
   2 //
   3 // SPDX-License-Identifier: AGPL-3.0
   4
   5 package crunchrun
   6
   7 import (
   8         "os/exec"
   9
  10         . "gopkg.in/check.v1"
  11 )
  12
  13 var _ = Suite(&singularitySuite{})
  14
  15 type singularitySuite struct {
  16         executorSuite
  17 }
  18
  19 func (s *singularitySuite) SetUpSuite(c *C) {
  20         _, err := exec.LookPath("singularity")
  21         if err != nil {
  22                 c.Skip("looks like singularity is not installed")
  23         }
  24         s.newExecutor = func(c *C) {
  25                 var err error
  26                 s.executor, err = newSingularityExecutor(c.Logf)
  27                 c.Assert(err, IsNil)
  28         }
  29 }
  30
  31 var _ = Suite(&singularityStubSuite{})
  32
  33 // singularityStubSuite tests don't really invoke singularity, so we
  34 // can run them even if singularity is not installed.
  35 type singularityStubSuite struct{}
  36
  37 func (s *singularityStubSuite) TestSingularityExecArgs(c *C) {
  38         e, err := newSingularityExecutor(c.Logf)
  39         c.Assert(err, IsNil)
  40         err = e.Create(containerSpec{
  41                 WorkingDir:      "/WorkingDir",
  42                 Env:             map[string]string{"FOO": "bar"},
  43                 BindMounts:      map[string]bindmount{"/mnt": {HostPath: "/hostpath", ReadOnly: true}},
  44                 EnableNetwork:   false,
  45                 CUDADeviceCount: 3,
  46         })
  47         c.Check(err, IsNil)
  48         e.imageFilename = "/fake/image.sif"
  49         cmd := e.execCmd("./singularity")
  50         c.Check(cmd.Args, DeepEquals, []string{"./singularity", "exec", "--containall", "--cleanenv", "--pwd", "/WorkingDir", "--net", "--network=none", "--nv", "--bind", "/hostpath:/mnt:ro", "/fake/image.sif"})
  51         c.Check(cmd.Env, DeepEquals, []string{"SINGULARITYENV_FOO=bar", "SINGULARITY_NO_EVAL=1"})
  52 }