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Feature/#9 array functions (#57)

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* #9 Added 'APPEND' function

* #9 Added 'FIRST' function

* #9 Added 'FLATTEN' function

* #9 Added 'INTERSECTION' function

* #9 Added 'LAST' function

* #9 Added 'MINUS' function

* #9 Added 'NTH' function

* #9 Added 'OUTERSECTION' function

* #9 Added 'POP' function

* #9 Added 'POSITION' function

* #9 Added 'PUSH' function

* Fixed nil pointer exception in value parser

* #9 Added 'REMOVE_NTH' function

* #9 Added 'REMOVE_VALUE' function

* #9 Added 'REMOVE_VALUES' function

* #9 Added 'REVERSE' function

* #9 Added 'SHIFT' function

* #9 Added 'SLICE' function

* Removed meme

* #9 Added 'SORTED' function

* #9 Added SORTED_UNIQUE function

* #9 Added 'UNION' function

* #9 Added 'UNION_DISTINCT' function

* #9 Added 'UNIQUE' function

* #9 Added 'UNSHIFT' function

* #9 Made more strict optional arg validation

* #9 Fixed linting errors
This commit is contained in:
Tim Voronov
2018-10-05 21:27:34 -04:00
committed by GitHub
parent 9e947ea9c4
commit ec2d6a659b
53 changed files with 3053 additions and 5 deletions
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80
pkg/stdlib/arrays/slice_test.go Normal file
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@ -0,0 +1,80 @@
package arrays_test
import (
"context"
"github.com/MontFerret/ferret/pkg/runtime/values"
"github.com/MontFerret/ferret/pkg/stdlib/arrays"
. "github.com/smartystreets/goconvey/convey"
"testing"
)
func TestSlice(t *testing.T) {
Convey("Should return a sliced array with a given start position ", t, func() {
arr := values.NewArrayWith(
values.NewInt(1),
values.NewInt(2),
values.NewInt(3),
values.NewInt(4),
values.NewInt(5),
values.NewInt(6),
)
out, err := arrays.Slice(context.Background(), arr, values.NewInt(3))
So(err, ShouldBeNil)
So(out.String(), ShouldEqual, "[4,5,6]")
})
Convey("Should return an empty array when start position is out of bounds", t, func() {
arr := values.NewArrayWith(
values.NewInt(1),
values.NewInt(2),
values.NewInt(3),
values.NewInt(4),
values.NewInt(5),
values.NewInt(6),
)
out, err := arrays.Slice(context.Background(), arr, values.NewInt(6))
So(err, ShouldBeNil)
So(out.String(), ShouldEqual, "[]")
})
Convey("Should return a sliced array with a given start position and length", t, func() {
arr := values.NewArrayWith(
values.NewInt(1),
values.NewInt(2),
values.NewInt(3),
values.NewInt(4),
values.NewInt(5),
values.NewInt(6),
)
out, err := arrays.Slice(
context.Background(),
arr,
values.NewInt(2),
values.NewInt(2),
)
So(err, ShouldBeNil)
So(out.String(), ShouldEqual, "[3,4]")
})
Convey("Should return an empty array when length is out of bounds", t, func() {
arr := values.NewArrayWith(
values.NewInt(1),
values.NewInt(2),
values.NewInt(3),
values.NewInt(4),
values.NewInt(5),
values.NewInt(6),
)
out, err := arrays.Slice(context.Background(), arr, values.NewInt(2), values.NewInt(10))
So(err, ShouldBeNil)
So(out.String(), ShouldEqual, "[3,4,5,6]")
})
}