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ferret/pkg/stdlib/arrays/append_test.go

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package arrays_test
import (
"context"
"github.com/MontFerret/ferret/pkg/runtime/collections"
"github.com/MontFerret/ferret/pkg/runtime/values"
"github.com/MontFerret/ferret/pkg/stdlib/arrays"
. "github.com/smartystreets/goconvey/convey"
"testing"
)
func TestAppend(t *testing.T) {
Convey("Should return a copy of an array", t, func() {
arr := values.NewArrayWith(
values.NewInt(1),
values.NewInt(2),
values.NewInt(3),
values.NewInt(4),
values.NewInt(5),
)
out, err := arrays.Append(context.Background(), arr, values.NewInt(6))
So(err, ShouldBeNil)
So(out, ShouldNotEqual, arr)
So(out.(collections.Measurable).Length(), ShouldBeGreaterThan, arr.Length())
})
Convey("Should ignore non-unique items", t, func() {
arr := values.NewArrayWith(
values.NewInt(1),
values.NewInt(2),
values.NewInt(3),
values.NewInt(4),
values.NewInt(5),
)
out, err := arrays.Append(context.Background(), arr, values.NewInt(5), values.True)
So(err, ShouldBeNil)
So(out, ShouldNotEqual, arr)
So(out.(collections.Measurable).Length(), ShouldEqual, arr.Length())
out2, err := arrays.Append(context.Background(), arr, values.NewInt(6), values.True)
So(err, ShouldBeNil)
So(out2, ShouldNotEqual, arr)
So(out2.(collections.Measurable).Length(), ShouldBeGreaterThan, arr.Length())
})
}