DockerCLI/cli/command/formatter/disk_usage_test.go

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package formatter
import (
"bytes"
"testing"
"github.com/gotestyourself/gotestyourself/assert"
is "github.com/gotestyourself/gotestyourself/assert/cmp"
"github.com/gotestyourself/gotestyourself/golden"
)
func TestDiskUsageContextFormatWrite(t *testing.T) {
cases := []struct {
context DiskUsageContext
expected string
}{
// Check default output format (verbose and non-verbose mode) for table headers
{
DiskUsageContext{
Context: Context{
Format: NewDiskUsageFormat("table"),
},
Verbose: false},
`TYPE TOTAL ACTIVE SIZE RECLAIMABLE
Images 0 0 0B 0B
Containers 0 0 0B 0B
Local Volumes 0 0 0B 0B
Build Cache 0B 0B
`,
},
{
DiskUsageContext{Verbose: true},
`Images space usage:
REPOSITORY TAG IMAGE ID CREATED ago SIZE SHARED SIZE UNIQUE SiZE CONTAINERS
Containers space usage:
CONTAINER ID IMAGE COMMAND LOCAL VOLUMES SIZE CREATED ago STATUS NAMES
Local Volumes space usage:
VOLUME NAME LINKS SIZE
Build cache usage: 0B
`,
},
// Errors
{
DiskUsageContext{
Context: Context{
Format: "{{InvalidFunction}}",
},
},
`Template parsing error: template: :1: function "InvalidFunction" not defined
`,
},
{
DiskUsageContext{
Context: Context{
Format: "{{nil}}",
},
},
`Template parsing error: template: :1:2: executing "" at <nil>: nil is not a command
`,
},
// Table Format
{
DiskUsageContext{
Context: Context{
Format: NewDiskUsageFormat("table"),
},
},
`TYPE TOTAL ACTIVE SIZE RECLAIMABLE
Images 0 0 0B 0B
Containers 0 0 0B 0B
Local Volumes 0 0 0B 0B
Build Cache 0B 0B
`,
},
{
DiskUsageContext{
Context: Context{
Format: NewDiskUsageFormat("table {{.Type}}\t{{.Active}}"),
},
},
string(golden.Get(t, "disk-usage-context-write-custom.golden")),
},
// Raw Format
{
DiskUsageContext{
Context: Context{
Format: NewDiskUsageFormat("raw"),
},
},
string(golden.Get(t, "disk-usage-raw-format.golden")),
},
}
for _, testcase := range cases {
out := bytes.NewBufferString("")
testcase.context.Output = out
if err := testcase.context.Write(); err != nil {
assert.Check(t, is.Equal(testcase.expected, err.Error()))
} else {
assert.Check(t, is.Equal(testcase.expected, out.String()))
}
}
}