mirror of
https://github.com/go-sylixos/elvish.git
synced 2024-12-12 17:27:50 +08:00
68 lines
1.6 KiB
Go
68 lines
1.6 KiB
Go
package eval_test
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import (
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"reflect"
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"testing"
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. "github.com/elves/elvish/pkg/eval"
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. "github.com/elves/elvish/pkg/eval/evaltest"
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"github.com/elves/elvish/pkg/eval/vals"
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"github.com/elves/elvish/pkg/eval/vars"
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"github.com/elves/elvish/pkg/parse"
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)
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func TestPurelyEvalCompound(t *testing.T) {
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home, cleanup := InTempHome()
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defer cleanup()
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var tests = []struct {
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code string
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upto int
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wantValue string
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wantErr error
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}{
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{code: "foobar", wantValue: "foobar"},
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{code: "'foobar'", wantValue: "foobar"},
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{code: "foo'bar'", wantValue: "foobar"},
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{code: "$x", wantValue: "bar"},
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{code: "foo$x", wantValue: "foobar"},
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{code: "foo$x", upto: 3, wantValue: "foo"},
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{code: "~", wantValue: home},
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{code: "~/foo", wantValue: home + "/foo"},
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{code: "[abc]", wantErr: ErrImpure},
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{code: "$y", wantErr: ErrImpure},
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{code: "a[0]", wantErr: ErrImpure},
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{code: "$@x", wantErr: ErrImpure},
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}
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ev := NewEvaler()
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ev.Global.Add("x", vars.NewReadOnly("bar"))
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ev.Global.Add("y", vars.NewReadOnly(vals.MakeList()))
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for _, test := range tests {
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t.Run(test.code, func(t *testing.T) {
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n := &parse.Compound{}
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err := parse.ParseAs(
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parse.Source{Name: "[test]", Code: test.code}, n, nil)
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if err != nil {
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panic(err)
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}
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upto := test.upto
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if upto == 0 {
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upto = -1
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}
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value, err := ev.PurelyEvalPartialCompound(n, upto)
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if value != test.wantValue {
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t.Errorf("got value %q, want %q", value, test.wantValue)
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}
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if !reflect.DeepEqual(err, test.wantErr) {
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t.Errorf("got error %v, want %q", err, test.wantErr)
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}
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})
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}
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}
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