buildkit/frontend/dockerfile/dockerfile2llb/directives_test.go

71 lines
1.3 KiB
Go

package dockerfile2llb
import (
"bytes"
"fmt"
"testing"
"github.com/stretchr/testify/require"
)
func TestDirectives(t *testing.T) {
t.Parallel()
dt := `#escape=\
# key = FOO bar
# smth
`
d := ParseDirectives(bytes.NewBuffer([]byte(dt)))
require.Equal(t, len(d), 2, fmt.Sprintf("%+v", d))
v, ok := d["escape"]
require.True(t, ok)
require.Equal(t, v, "\\")
v, ok = d["key"]
require.True(t, ok)
require.Equal(t, v, "FOO bar")
// for some reason Moby implementation in case insensitive for escape
dt = `# EScape=\
# KEY = FOO bar
# smth
`
d = ParseDirectives(bytes.NewBuffer([]byte(dt)))
require.Equal(t, len(d), 2, fmt.Sprintf("%+v", d))
v, ok = d["escape"]
require.True(t, ok)
require.Equal(t, v, "\\")
v, ok = d["key"]
require.True(t, ok)
require.Equal(t, v, "FOO bar")
}
func TestSyntaxDirective(t *testing.T) {
t.Parallel()
dt := `# syntax = dockerfile:experimental // opts
FROM busybox
`
ref, cmdline, ok := DetectSyntax(bytes.NewBuffer([]byte(dt)))
require.True(t, ok)
require.Equal(t, ref, "dockerfile:experimental")
require.Equal(t, cmdline, "dockerfile:experimental // opts")
dt = `FROM busybox
RUN ls
`
ref, cmdline, ok = DetectSyntax(bytes.NewBuffer([]byte(dt)))
require.False(t, ok)
require.Equal(t, ref, "")
require.Equal(t, cmdline, "")
}