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ferret/pkg/runtime/values/array_test.go
3timeslazy 54c9857862 Bugfix/#97 array compare (#98)
* added some more unit tests for values.Array

* fix values.Array.Compare method

* added one more unit test
2018-10-11 09:54:20 -04:00

506 lines
11 KiB
Go

package values_test
import (
"encoding/json"
"testing"
"github.com/MontFerret/ferret/pkg/runtime/core"
"github.com/MontFerret/ferret/pkg/runtime/values"
. "github.com/smartystreets/goconvey/convey"
)
func TestArray(t *testing.T) {
Convey("#constructor", t, func() {
Convey("Should create an empty array", func() {
arr := values.NewArray(10)
So(arr.Length(), ShouldEqual, 0)
})
Convey("Should create an array, from passed values", func() {
arr := values.NewArrayWith(
values.NewInt(1),
values.NewInt(2),
values.NewInt(3),
)
So(arr.Length(), ShouldEqual, 3)
})
})
Convey(".MarshalJSON", t, func() {
Convey("Should serialize empty array", func() {
arr := values.NewArray(10)
marshaled, err := arr.MarshalJSON()
So(err, ShouldBeNil)
So(string(marshaled), ShouldEqual, "[]")
})
Convey("Should serialize full array", func() {
arr := values.NewArrayWith(
values.NewInt(1),
values.NewInt(2),
values.NewInt(3),
)
marshaled, err := json.Marshal(arr)
So(err, ShouldBeNil)
So(string(marshaled), ShouldEqual, "[1,2,3]")
})
})
Convey(".Type", t, func() {
Convey("Should return type", func() {
arr := values.NewArray(1)
So(arr.Type(), ShouldEqual, core.ArrayType)
})
})
Convey(".Unwrap", t, func() {
Convey("Should return a an array of unwrapped values", func() {
arr := values.NewArrayWith(
values.ZeroInt,
values.ZeroInt,
)
for _, val := range arr.Unwrap().([]interface{}) {
So(val, ShouldHaveSameTypeAs, 0)
}
})
})
Convey(".String", t, func() {
Convey("Should return a string representation ", func() {
arr := values.NewArrayWith(values.ZeroInt, values.ZeroInt)
So(arr.String(), ShouldEqual, "[0,0]")
})
})
Convey(".Compare", t, func() {
Convey("It should return 1 for all non-array and non-object values", func() {
arr := values.NewArrayWith(values.ZeroInt, values.ZeroInt)
So(arr.Compare(values.None), ShouldEqual, 1)
So(arr.Compare(values.ZeroInt), ShouldEqual, 1)
So(arr.Compare(values.ZeroFloat), ShouldEqual, 1)
So(arr.Compare(values.EmptyString), ShouldEqual, 1)
})
Convey("It should return -1 for all object values", func() {
arr := values.NewArrayWith(values.ZeroInt, values.ZeroInt)
obj := values.NewObject()
So(arr.Compare(obj), ShouldEqual, -1)
})
Convey("It should return 0 when both arrays are empty", func() {
arr1 := values.NewArray(1)
arr2 := values.NewArray(1)
So(arr1.Compare(arr2), ShouldEqual, 0)
})
Convey("It should return 1 when other array is empty", func() {
arr1 := values.NewArrayWith(values.ZeroFloat)
arr2 := values.NewArray(1)
So(arr1.Compare(arr2), ShouldEqual, 1)
})
Convey("It should return 1 when values are bigger", func() {
arr1 := values.NewArrayWith(values.NewInt(1))
arr2 := values.NewArrayWith(values.ZeroInt)
So(arr1.Compare(arr2), ShouldEqual, 1)
})
Convey("It should return 0 when arrays are equal", func() {
Convey("When only simple types are nested", func() {
arr1 := values.NewArrayWith(
values.NewInt(0), values.NewString("str"),
)
arr2 := values.NewArrayWith(
values.NewInt(0), values.NewString("str"),
)
So(arr1.Compare(arr2), ShouldEqual, 0)
})
Convey("When object and array are nested at the same time", func() {
arr1 := values.NewArrayWith(
values.NewObjectWith(
values.NewObjectProperty("one", values.NewInt(1)),
),
values.NewArrayWith(
values.NewInt(2),
),
)
arr2 := values.NewArrayWith(
values.NewObjectWith(
values.NewObjectProperty("one", values.NewInt(1)),
),
values.NewArrayWith(
values.NewInt(2),
),
)
So(arr1.Compare(arr2), ShouldEqual, 0)
})
Convey("When only objects are nested", func() {
arr1 := values.NewArrayWith(
values.NewObjectWith(
values.NewObjectProperty("one", values.NewInt(1)),
),
)
arr2 := values.NewArrayWith(
values.NewObjectWith(
values.NewObjectProperty("one", values.NewInt(1)),
),
)
So(arr1.Compare(arr2), ShouldEqual, 0)
})
Convey("When only arrays are nested", func() {
arr1 := values.NewArrayWith(
values.NewArrayWith(
values.NewInt(2),
),
)
arr2 := values.NewArrayWith(
values.NewArrayWith(
values.NewInt(2),
),
)
So(arr1.Compare(arr2), ShouldEqual, 0)
})
Convey("When simple and complex types at the same time", func() {
arr1 := values.NewArrayWith(
values.NewInt(0),
values.NewObjectWith(
values.NewObjectProperty("one", values.NewInt(1)),
),
values.NewArrayWith(
values.NewInt(2),
),
)
arr2 := values.NewArrayWith(
values.NewInt(0),
values.NewObjectWith(
values.NewObjectProperty("one", values.NewInt(1)),
),
values.NewArrayWith(
values.NewInt(2),
),
)
So(arr1.Compare(arr2), ShouldEqual, 0)
})
Convey("When custom complex type", func() {
arr1 := values.NewArrayWith(
values.NewObjectWith(
values.NewObjectProperty(
"arr", values.NewArrayWith(values.NewObject()),
),
),
)
arr2 := values.NewArrayWith(
values.NewObjectWith(
values.NewObjectProperty(
"arr", values.NewArrayWith(values.NewObject()),
),
),
)
So(arr1.Compare(arr2), ShouldEqual, 0)
})
})
})
Convey(".Hash", t, func() {
Convey("It should calculate hash of non-empty array", func() {
arr := values.NewArrayWith(
values.NewInt(1),
values.NewInt(2),
values.NewInt(3),
)
h := arr.Hash()
So(h, ShouldBeGreaterThan, 0)
})
Convey("It should calculate hash of empty array", func() {
arr := values.NewArrayWith()
h := arr.Hash()
So(h, ShouldBeGreaterThan, 0)
})
Convey("Hash sum should be consistent", func() {
arr := values.NewArrayWith(
values.True,
values.NewInt(1),
values.NewFloat(1.1),
values.NewString("foobar"),
values.NewCurrentDateTime(),
values.NewArrayWith(values.NewInt(1), values.True),
values.NewObjectWith(values.NewObjectProperty("foo", values.NewString("bar"))),
)
h1 := arr.Hash()
h2 := arr.Hash()
So(h1, ShouldEqual, h2)
})
})
Convey(".Length", t, func() {
Convey("Should return 0 when empty", func() {
arr := values.NewArray(1)
So(arr.Length(), ShouldEqual, 0)
})
Convey("Should return greater than 0 when not empty", func() {
arr := values.NewArrayWith(values.ZeroInt, values.ZeroInt)
So(arr.Length(), ShouldEqual, 2)
})
})
Convey(".ForEach", t, func() {
Convey("Should iterate over elements", func() {
arr := values.NewArrayWith(
values.NewInt(1),
values.NewInt(2),
values.NewInt(3),
)
counter := 0
arr.ForEach(func(value core.Value, idx int) bool {
counter += 1
return true
})
So(counter, ShouldEqual, arr.Length())
})
Convey("Should not iterate when empty", func() {
arr := values.NewArrayWith()
counter := 0
arr.ForEach(func(value core.Value, idx int) bool {
counter += 1
return true
})
So(counter, ShouldEqual, arr.Length())
})
Convey("Should break iteration when false returned", func() {
arr := values.NewArrayWith(
values.NewInt(1),
values.NewInt(2),
values.NewInt(3),
values.NewInt(4),
values.NewInt(5),
)
threshold := 3
counter := 0
arr.ForEach(func(value core.Value, idx int) bool {
counter += 1
return value.Compare(values.NewInt(threshold)) == -1
})
So(counter, ShouldEqual, threshold)
})
})
Convey(".Get", t, func() {
Convey("Should return item by index", func() {
arr := values.NewArrayWith(
values.NewInt(1),
values.NewInt(2),
values.NewInt(3),
values.NewInt(4),
values.NewInt(5),
)
el := arr.Get(1)
So(el.Compare(values.NewInt(2)), ShouldEqual, 0)
})
Convey("Should return None when no value", func() {
arr := values.NewArrayWith()
el := arr.Get(1)
So(el.Compare(values.None), ShouldEqual, 0)
})
})
Convey(".Set", t, func() {
Convey("Should set item by index", func() {
arr := values.NewArrayWith(values.ZeroInt)
err := arr.Set(0, values.NewInt(1))
So(err, ShouldBeNil)
So(arr.Length(), ShouldEqual, 1)
So(arr.Get(0).Compare(values.NewInt(1)), ShouldEqual, 0)
})
Convey("Should return an error when index is out of bounds", func() {
arr := values.NewArray(10)
err := arr.Set(0, values.NewInt(1))
So(err, ShouldNotBeNil)
So(arr.Length(), ShouldEqual, 0)
})
})
Convey(".Push", t, func() {
Convey("Should add an item", func() {
arr := values.NewArray(10)
src := []core.Value{
values.ZeroInt,
values.ZeroInt,
values.ZeroInt,
values.ZeroInt,
values.ZeroInt,
}
for _, val := range src {
arr.Push(val)
}
So(arr.Length(), ShouldEqual, len(src))
})
})
Convey(".Slice", t, func() {
Convey("Should return a slice", func() {
arr := values.NewArrayWith(
values.NewInt(0),
values.NewInt(1),
values.NewInt(2),
values.NewInt(3),
values.NewInt(4),
values.NewInt(5),
)
s := arr.Slice(0, 1)
So(s.Length(), ShouldEqual, 1)
So(s.Get(0).Compare(values.ZeroInt), ShouldEqual, 0)
s2 := arr.Slice(2, arr.Length())
So(s2.Length(), ShouldEqual, arr.Length()-2)
})
})
Convey(".Insert", t, func() {
Convey("Should insert an item in the middle of an array", func() {
arr := values.NewArrayWith(
values.NewInt(0),
values.NewInt(1),
values.NewInt(2),
values.NewInt(3),
values.NewInt(4),
values.NewInt(5),
)
lenBefore := arr.Length()
arr.Insert(3, values.NewInt(100))
lenAfter := arr.Length()
So(lenAfter, ShouldBeGreaterThan, lenBefore)
So(arr.Get(3), ShouldEqual, 100)
})
})
Convey(".RemoveAt", t, func() {
Convey("Should remove an item from the middle", func() {
arr := values.NewArrayWith(
values.NewInt(0),
values.NewInt(1),
values.NewInt(2),
values.NewInt(3),
values.NewInt(4),
values.NewInt(5),
)
lenBefore := arr.Length()
arr.RemoveAt(3)
lenAfter := arr.Length()
So(lenAfter, ShouldBeLessThan, lenBefore)
So(arr.Get(3), ShouldEqual, 4)
})
Convey("Should remove an item from the end", func() {
arr := values.NewArrayWith(
values.NewInt(0),
values.NewInt(1),
values.NewInt(2),
values.NewInt(3),
values.NewInt(4),
values.NewInt(5),
)
lenBefore := arr.Length()
arr.RemoveAt(5)
lenAfter := arr.Length()
So(lenAfter, ShouldBeLessThan, lenBefore)
So(lenAfter, ShouldEqual, 5)
So(arr.Get(4), ShouldEqual, 4)
})
Convey("Should remove an item from the beginning", func() {
arr := values.NewArrayWith(
values.NewInt(0),
values.NewInt(1),
values.NewInt(2),
values.NewInt(3),
values.NewInt(4),
values.NewInt(5),
)
lenBefore := arr.Length()
arr.RemoveAt(0)
lenAfter := arr.Length()
So(lenAfter, ShouldBeLessThan, lenBefore)
So(arr.Get(0), ShouldEqual, 1)
})
})
}