terraform/lang/funcs/collection_test.go

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package funcs
import (
"fmt"
"testing"
"github.com/zclconf/go-cty/cty"
)
func TestElement(t *testing.T) {
tests := []struct {
List cty.Value
Index cty.Value
Want cty.Value
}{
{
cty.ListVal([]cty.Value{
cty.StringVal("hello"),
}),
cty.NumberIntVal(0),
cty.StringVal("hello"),
},
{
cty.ListVal([]cty.Value{
cty.StringVal("hello"),
}),
cty.NumberIntVal(1),
cty.StringVal("hello"),
},
{
cty.ListVal([]cty.Value{
cty.StringVal("hello"),
cty.StringVal("bonjour"),
}),
cty.NumberIntVal(0),
cty.StringVal("hello"),
},
{
cty.ListVal([]cty.Value{
cty.StringVal("hello"),
cty.StringVal("bonjour"),
}),
cty.NumberIntVal(1),
cty.StringVal("bonjour"),
},
{
cty.ListVal([]cty.Value{
cty.StringVal("hello"),
cty.StringVal("bonjour"),
}),
cty.NumberIntVal(2),
cty.StringVal("hello"),
},
{
cty.TupleVal([]cty.Value{
cty.StringVal("hello"),
}),
cty.NumberIntVal(0),
cty.StringVal("hello"),
},
{
cty.TupleVal([]cty.Value{
cty.StringVal("hello"),
}),
cty.NumberIntVal(1),
cty.StringVal("hello"),
},
{
cty.TupleVal([]cty.Value{
cty.StringVal("hello"),
cty.StringVal("bonjour"),
}),
cty.NumberIntVal(0),
cty.StringVal("hello"),
},
{
cty.TupleVal([]cty.Value{
cty.StringVal("hello"),
cty.StringVal("bonjour"),
}),
cty.NumberIntVal(1),
cty.StringVal("bonjour"),
},
{
cty.TupleVal([]cty.Value{
cty.StringVal("hello"),
cty.StringVal("bonjour"),
}),
cty.NumberIntVal(2),
cty.StringVal("hello"),
},
}
for _, test := range tests {
t.Run(fmt.Sprintf("Element(%#v, %#v)", test.List, test.Index), func(t *testing.T) {
got, err := Element(test.List, test.Index)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if !got.RawEquals(test.Want) {
t.Errorf("wrong result\ngot: %#v\nwant: %#v", got, test.Want)
}
})
}
}
func TestLength(t *testing.T) {
tests := []struct {
Value cty.Value
Want cty.Value
}{
{
cty.ListValEmpty(cty.Number),
cty.NumberIntVal(0),
},
{
cty.ListVal([]cty.Value{cty.True}),
cty.NumberIntVal(1),
},
{
cty.ListVal([]cty.Value{cty.UnknownVal(cty.Bool)}),
cty.NumberIntVal(1),
},
{
cty.SetValEmpty(cty.Number),
cty.NumberIntVal(0),
},
{
cty.SetVal([]cty.Value{cty.True}),
cty.NumberIntVal(1),
},
{
cty.MapValEmpty(cty.Bool),
cty.NumberIntVal(0),
},
{
cty.MapVal(map[string]cty.Value{"hello": cty.True}),
cty.NumberIntVal(1),
},
{
cty.EmptyTupleVal,
cty.NumberIntVal(0),
},
{
cty.TupleVal([]cty.Value{cty.True}),
cty.NumberIntVal(1),
},
{
cty.UnknownVal(cty.List(cty.Bool)),
cty.UnknownVal(cty.Number),
},
{
cty.DynamicVal,
cty.UnknownVal(cty.Number),
},
{
cty.StringVal("hello"),
cty.NumberIntVal(5),
},
{
cty.StringVal(""),
cty.NumberIntVal(0),
},
{
cty.StringVal("1"),
cty.NumberIntVal(1),
},
{
cty.StringVal("Живой Журнал"),
cty.NumberIntVal(12),
},
{
// note that the dieresis here is intentionally a combining
// ligature.
cty.StringVal("noël"),
cty.NumberIntVal(4),
},
{
// The Es in this string has three combining acute accents.
// This tests something that NFC-normalization cannot collapse
// into a single precombined codepoint, since otherwise we might
// be cheating and relying on the single-codepoint forms.
cty.StringVal("wé́́é́́é́́!"),
cty.NumberIntVal(5),
},
{
// Go's normalization forms don't handle this ligature, so we
// will produce the wrong result but this is now a compatibility
// constraint and so we'll test it.
cty.StringVal("baffle"),
cty.NumberIntVal(4),
},
{
cty.StringVal("😸😾"),
cty.NumberIntVal(2),
},
{
cty.UnknownVal(cty.String),
cty.UnknownVal(cty.Number),
},
{
cty.DynamicVal,
cty.UnknownVal(cty.Number),
},
}
for _, test := range tests {
t.Run(fmt.Sprintf("Length(%#v)", test.Value), func(t *testing.T) {
got, err := Length(test.Value)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
if !got.RawEquals(test.Want) {
t.Errorf("wrong result\ngot: %#v\nwant: %#v", got, test.Want)
}
})
}
}