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ferret/pkg/stdlib/objects/keys_test.go

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package objects_test
import (
"context"
"testing"
"github.com/MontFerret/ferret/pkg/runtime/core"
"github.com/MontFerret/ferret/pkg/runtime/values"
"github.com/MontFerret/ferret/pkg/stdlib/objects"
. "github.com/smartystreets/goconvey/convey"
)
func TestKeys(t *testing.T) {
Convey("Keys(obj, false) should return 'a', 'c', 'b' in any order", t, func() {
obj := values.NewObjectWith(
values.NewObjectProperty("a", values.NewInt(0)),
values.NewObjectProperty("b", values.NewInt(1)),
values.NewObjectProperty("c", values.NewInt(2)),
)
keys, err := objects.Keys(context.Background(), obj)
keysArray := keys.(*values.Array)
So(err, ShouldEqual, nil)
So(keysArray.Type(), ShouldEqual, core.ArrayType)
So(keysArray.Length(), ShouldEqual, 3)
for _, k := range []string{"b", "a", "c"} {
iof := keysArray.IndexOf(values.NewString(k))
So(iof, ShouldNotEqual, -1)
}
})
Convey("Keys(obj, false) should return ['a', 'b', 'c']", t, func() {
obj := values.NewObjectWith(
values.NewObjectProperty("b", values.NewInt(0)),
values.NewObjectProperty("a", values.NewInt(1)),
values.NewObjectProperty("c", values.NewInt(3)),
)
keys, err := objects.Keys(context.Background(), obj, values.NewBoolean(true))
keysArray := keys.(*values.Array)
So(err, ShouldEqual, nil)
for idx, key := range []string{"a", "b", "c"} {
So(keysArray.Get(values.NewInt(idx)), ShouldEqual, values.NewString(key))
}
})
Convey("When there are no keys", t, func() {
obj := values.NewObject()
keys, err := objects.Keys(context.Background(), obj, values.NewBoolean(true))
keysArray := keys.(*values.Array)
So(err, ShouldEqual, nil)
So(keysArray.Length(), ShouldEqual, values.NewInt(0))
So(int(keysArray.Length()), ShouldEqual, 0)
keys, err = objects.Keys(context.Background(), obj, values.NewBoolean(false))
keysArray = keys.(*values.Array)
So(err, ShouldEqual, nil)
So(keysArray.Length(), ShouldEqual, values.NewInt(0))
So(int(keysArray.Length()), ShouldEqual, 0)
})
Convey("When not enought arguments", t, func() {
_, err := objects.Keys(context.Background())
So(err, ShouldBeError)
})
Convey("When first argument isn't object", t, func() {
notObj := values.NewInt(0)
_, err := objects.Keys(context.Background(), notObj)
So(err, ShouldBeError)
})
Convey("When second argument isn't boolean", t, func() {
obj := values.NewObject()
_, err := objects.Keys(context.Background(), obj, obj)
So(err, ShouldBeError)
})
}