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|
package buildtags
import (
"bytes"
"fmt"
"testing"
)
func TestFormat(t *testing.T) {
cases := []struct {
PlusBuild []string
GoBuild string
}{
{
PlusBuild: []string{"amd64"},
GoBuild: "amd64",
},
{
PlusBuild: []string{
"linux darwin",
"amd64 arm64 mips64x ppc64x",
},
GoBuild: "(linux || darwin) && (amd64 || arm64 || mips64x || ppc64x)",
},
{
PlusBuild: []string{"!linux,!darwin !amd64,!arm64,!mips64x,!ppc64x"},
GoBuild: "(!linux && !darwin) || (!amd64 && !arm64 && !mips64x && !ppc64x)",
},
{
PlusBuild: []string{
"linux,386 darwin,!cgo",
"!noasm",
},
GoBuild: "((linux && 386) || (darwin && !cgo)) && !noasm",
},
}
for _, c := range cases {
// Parse constraints.
var cs Constraints
for _, expr := range c.PlusBuild {
constraint, err := ParseConstraint(expr)
if err != nil {
t.Fatal(err)
}
cs = append(cs, constraint)
}
// Build expected output.
var buf bytes.Buffer
if GoBuildSyntaxSupported() {
fmt.Fprintf(&buf, "//go:build %s\n", c.GoBuild)
}
if PlusBuildSyntaxSupported() {
for _, expr := range c.PlusBuild {
fmt.Fprintf(&buf, "// +build %s\n", expr)
}
}
expect := buf.String()
// Format and check.
got, err := Format(cs)
if err != nil {
t.Fatal(err)
}
if got != expect {
t.Errorf("got=\n%s\nexpect=\n%s\n", got, expect)
}
}
}
|
