DockerCLI/command/formatter/volume_test.go

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package formatter
import (
"bytes"
"strings"
"testing"
"github.com/docker/docker/api/types"
"github.com/docker/docker/pkg/stringid"
"github.com/docker/docker/pkg/testutil/assert"
)
func TestVolumeContext(t *testing.T) {
volumeName := stringid.GenerateRandomID()
var ctx volumeContext
cases := []struct {
volumeCtx volumeContext
expValue string
expHeader string
call func() string
}{
{volumeContext{
v: types.Volume{Name: volumeName},
}, volumeName, nameHeader, ctx.Name},
{volumeContext{
v: types.Volume{Driver: "driver_name"},
}, "driver_name", driverHeader, ctx.Driver},
{volumeContext{
v: types.Volume{Scope: "local"},
}, "local", scopeHeader, ctx.Scope},
{volumeContext{
v: types.Volume{Mountpoint: "mountpoint"},
}, "mountpoint", mountpointHeader, ctx.Mountpoint},
{volumeContext{
v: types.Volume{},
}, "", labelsHeader, ctx.Labels},
{volumeContext{
v: types.Volume{Labels: map[string]string{"label1": "value1", "label2": "value2"}},
}, "label1=value1,label2=value2", labelsHeader, ctx.Labels},
}
for _, c := range cases {
ctx = c.volumeCtx
v := c.call()
if strings.Contains(v, ",") {
compareMultipleValues(t, v, c.expValue)
} else if v != c.expValue {
t.Fatalf("Expected %s, was %s\n", c.expValue, v)
}
h := ctx.FullHeader()
if h != c.expHeader {
t.Fatalf("Expected %s, was %s\n", c.expHeader, h)
}
}
}
func TestVolumeContextWrite(t *testing.T) {
cases := []struct {
context Context
expected string
}{
// Errors
{
Context{Format: "{{InvalidFunction}}"},
`Template parsing error: template: :1: function "InvalidFunction" not defined
`,
},
{
Context{Format: "{{nil}}"},
`Template parsing error: template: :1:2: executing "" at <nil>: nil is not a command
`,
},
// Table format
{
Context{Format: NewVolumeFormat("table", false)},
`DRIVER NAME
foo foobar_baz
bar foobar_bar
`,
},
{
Context{Format: NewVolumeFormat("table", true)},
`foobar_baz
foobar_bar
`,
},
{
Context{Format: NewVolumeFormat("table {{.Name}}", false)},
`NAME
foobar_baz
foobar_bar
`,
},
{
Context{Format: NewVolumeFormat("table {{.Name}}", true)},
`NAME
foobar_baz
foobar_bar
`,
},
// Raw Format
{
Context{Format: NewVolumeFormat("raw", false)},
`name: foobar_baz
driver: foo
name: foobar_bar
driver: bar
`,
},
{
Context{Format: NewVolumeFormat("raw", true)},
`name: foobar_baz
name: foobar_bar
`,
},
// Custom Format
{
Context{Format: NewVolumeFormat("{{.Name}}", false)},
`foobar_baz
foobar_bar
`,
},
}
for _, testcase := range cases {
volumes := []*types.Volume{
{Name: "foobar_baz", Driver: "foo"},
{Name: "foobar_bar", Driver: "bar"},
}
out := bytes.NewBufferString("")
testcase.context.Output = out
err := VolumeWrite(testcase.context, volumes)
if err != nil {
assert.Error(t, err, testcase.expected)
} else {
assert.Equal(t, out.String(), testcase.expected)
}
}
}