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mount_test.go
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package opts
import (
"os"
"testing"
mounttypes "github.com/docker/docker/api/types/mount"
"github.com/docker/docker/pkg/testutil/assert"
)
func TestMountOptString(t *testing.T) {
mount := MountOpt{
values: []mounttypes.Mount{
{
Type: mounttypes.TypeBind,
Source: "/home/path",
Target: "/target",
},
{
Type: mounttypes.TypeVolume,
Source: "foo",
Target: "/target/foo",
},
},
}
expected := "bind /home/path /target, volume foo /target/foo"
assert.Equal(t, mount.String(), expected)
}
func TestMountOptSetBindNoErrorBind(t *testing.T) {
for _, testcase := range []string{
// tests several aliases that should have same result.
"type=bind,target=/target,source=/source",
"type=bind,src=/source,dst=/target",
"type=bind,source=/source,dst=/target",
"type=bind,src=/source,target=/target",
} {
var mount MountOpt
assert.NilError(t, mount.Set(testcase))
mounts := mount.Value()
assert.Equal(t, len(mounts), 1)
assert.Equal(t, mounts[0], mounttypes.Mount{
Type: mounttypes.TypeBind,
Source: "/source",
Target: "/target",
})
}
}
func TestMountOptSetVolumeNoError(t *testing.T) {
for _, testcase := range []string{
// tests several aliases that should have same result.
"type=volume,target=/target,source=/source",
"type=volume,src=/source,dst=/target",
"type=volume,source=/source,dst=/target",
"type=volume,src=/source,target=/target",
} {
var mount MountOpt
assert.NilError(t, mount.Set(testcase))
mounts := mount.Value()
assert.Equal(t, len(mounts), 1)
assert.Equal(t, mounts[0], mounttypes.Mount{
Type: mounttypes.TypeVolume,
Source: "/source",
Target: "/target",
})
}
}
// TestMountOptDefaultType ensures that a mount without the type defaults to a
// volume mount.
func TestMountOptDefaultType(t *testing.T) {
var mount MountOpt
assert.NilError(t, mount.Set("target=/target,source=/foo"))
assert.Equal(t, mount.values[0].Type, mounttypes.TypeVolume)
}
func TestMountOptSetErrorNoTarget(t *testing.T) {
var mount MountOpt
assert.Error(t, mount.Set("type=volume,source=/foo"), "target is required")
}
func TestMountOptSetErrorInvalidKey(t *testing.T) {
var mount MountOpt
assert.Error(t, mount.Set("type=volume,bogus=foo"), "unexpected key 'bogus'")
}
func TestMountOptSetErrorInvalidField(t *testing.T) {
var mount MountOpt
assert.Error(t, mount.Set("type=volume,bogus"), "invalid field 'bogus'")
}
func TestMountOptSetErrorInvalidReadOnly(t *testing.T) {
var mount MountOpt
assert.Error(t, mount.Set("type=volume,readonly=no"), "invalid value for readonly: no")
assert.Error(t, mount.Set("type=volume,readonly=invalid"), "invalid value for readonly: invalid")
}
func TestMountOptDefaultEnableReadOnly(t *testing.T) {
var m MountOpt
assert.NilError(t, m.Set("type=bind,target=/foo,source=/foo"))
assert.Equal(t, m.values[0].ReadOnly, false)
m = MountOpt{}
assert.NilError(t, m.Set("type=bind,target=/foo,source=/foo,readonly"))
assert.Equal(t, m.values[0].ReadOnly, true)
m = MountOpt{}
assert.NilError(t, m.Set("type=bind,target=/foo,source=/foo,readonly=1"))
assert.Equal(t, m.values[0].ReadOnly, true)
m = MountOpt{}
assert.NilError(t, m.Set("type=bind,target=/foo,source=/foo,readonly=true"))
assert.Equal(t, m.values[0].ReadOnly, true)
m = MountOpt{}
assert.NilError(t, m.Set("type=bind,target=/foo,source=/foo,readonly=0"))
assert.Equal(t, m.values[0].ReadOnly, false)
}
func TestMountOptVolumeNoCopy(t *testing.T) {
var m MountOpt
assert.NilError(t, m.Set("type=volume,target=/foo,volume-nocopy"))
assert.Equal(t, m.values[0].Source, "")
m = MountOpt{}
assert.NilError(t, m.Set("type=volume,target=/foo,source=foo"))
assert.Equal(t, m.values[0].VolumeOptions == nil, true)
m = MountOpt{}
assert.NilError(t, m.Set("type=volume,target=/foo,source=foo,volume-nocopy=true"))
assert.Equal(t, m.values[0].VolumeOptions != nil, true)
assert.Equal(t, m.values[0].VolumeOptions.NoCopy, true)
m = MountOpt{}
assert.NilError(t, m.Set("type=volume,target=/foo,source=foo,volume-nocopy"))
assert.Equal(t, m.values[0].VolumeOptions != nil, true)
assert.Equal(t, m.values[0].VolumeOptions.NoCopy, true)
m = MountOpt{}
assert.NilError(t, m.Set("type=volume,target=/foo,source=foo,volume-nocopy=1"))
assert.Equal(t, m.values[0].VolumeOptions != nil, true)
assert.Equal(t, m.values[0].VolumeOptions.NoCopy, true)
}
func TestMountOptTypeConflict(t *testing.T) {
var m MountOpt
assert.Error(t, m.Set("type=bind,target=/foo,source=/foo,volume-nocopy=true"), "cannot mix")
assert.Error(t, m.Set("type=volume,target=/foo,source=/foo,bind-propagation=rprivate"), "cannot mix")
}
func TestMountOptSetTmpfsNoError(t *testing.T) {
for _, testcase := range []string{
// tests several aliases that should have same result.
"type=tmpfs,target=/target,tmpfs-size=1m,tmpfs-mode=0700",
"type=tmpfs,target=/target,tmpfs-size=1MB,tmpfs-mode=700",
} {
var mount MountOpt
assert.NilError(t, mount.Set(testcase))
mounts := mount.Value()
assert.Equal(t, len(mounts), 1)
assert.DeepEqual(t, mounts[0], mounttypes.Mount{
Type: mounttypes.TypeTmpfs,
Target: "/target",
TmpfsOptions: &mounttypes.TmpfsOptions{
SizeBytes: 1024 * 1024, // not 1000 * 1000
Mode: os.FileMode(0700),
},
})
}
}
func TestMountOptSetTmpfsError(t *testing.T) {
var m MountOpt
assert.Error(t, m.Set("type=tmpfs,target=/foo,tmpfs-size=foo"), "invalid value for tmpfs-size")
assert.Error(t, m.Set("type=tmpfs,target=/foo,tmpfs-mode=foo"), "invalid value for tmpfs-mode")
assert.Error(t, m.Set("type=tmpfs"), "target is required")
}