blob: f44c58983e7cac073c6a0c2e636183a613bd0fb5 [file] [log] [blame]
package main
import (
"reflect"
"testing"
)
func TestRuleParser(t *testing.T) {
for _, tc := range []struct {
in string
want Rule
err string
} {
{
in: "foo: bar",
want: Rule{
outputs: []string{"foo"},
inputs: []string{"bar"},
},
},
{
in: "foo: bar baz",
want: Rule{
outputs: []string{"foo"},
inputs: []string{"bar", "baz"},
},
},
{
in: "foo:: bar",
want: Rule{
outputs: []string{"foo"},
inputs: []string{"bar"},
isDoubleColon: true,
},
},
{
in: "foo",
err: "*** missing separator.",
},
{
in: "%.o: %.c",
want: Rule{
outputPatterns: []string{"%.o"},
inputs: []string{"%.c"},
},
},
{
in: "foo %.o: %.c",
err: "*** mixed implicit and normal rules: deprecated syntax",
},
{
in: "foo.o: %.o: %.c %.h",
want: Rule{
outputs: []string{"foo.o"},
outputPatterns: []string{"%.o"},
inputs: []string{"%.c", "%.h"},
},
},
{
in: "%.x: %.y: %.z",
err: "*** mixed implicit and normal rules: deprecated syntax",
},
{
in: "foo.o: : %.c",
err: "*** missing target pattern.",
},
{
in: "foo.o: %.o %.o: %.c",
err: "*** multiple target patterns.",
},
{
in: "foo.o: foo.o: %.c",
err: "*** target pattern contains no '%'.",
},
{
in: "foo: bar | baz",
want: Rule{
outputs: []string{"foo"},
inputs: []string{"bar"},
orderOnlyInputs: []string{"baz"},
},
},
/* TODO
{
in: "foo.o: %.c: %.c",
err: "*** target 'foo.o' doesn't match the target pattern",
},
*/
} {
got := &Rule{}
err := got.parse(tc.in)
if err != tc.err {
t.Errorf(`r.parse(%q)=%s, want %s`, tc.in, err, tc.err)
}
if err == "" && !reflect.DeepEqual(*got, tc.want) {
t.Errorf(`r.parse(%q); r=%q, want %q`, tc.in, *got, tc.want)
}
}
}