132 lines
2.7 KiB
Go
132 lines
2.7 KiB
Go
package funcs
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import (
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"fmt"
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"testing"
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"github.com/zclconf/go-cty/cty"
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)
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func TestTo(t *testing.T) {
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tests := []struct {
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Value cty.Value
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TargetTy cty.Type
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Want cty.Value
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Err string
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}{
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{
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cty.StringVal("a"),
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cty.String,
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cty.StringVal("a"),
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``,
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},
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{
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cty.UnknownVal(cty.String),
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cty.String,
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cty.UnknownVal(cty.String),
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``,
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},
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{
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cty.NullVal(cty.String),
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cty.String,
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cty.NullVal(cty.String),
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``,
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},
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{
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cty.True,
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cty.String,
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cty.StringVal("true"),
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``,
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},
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{
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cty.StringVal("a"),
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cty.Bool,
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cty.DynamicVal,
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`cannot convert "a" to bool; only the strings "true" or "false" are allowed`,
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},
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{
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cty.StringVal("a"),
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cty.Number,
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cty.DynamicVal,
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`cannot convert "a" to number; given string must be a decimal representation of a number`,
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},
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{
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cty.NullVal(cty.String),
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cty.Number,
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cty.NullVal(cty.Number),
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``,
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},
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{
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cty.UnknownVal(cty.Bool),
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cty.String,
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cty.UnknownVal(cty.String),
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``,
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},
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{
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cty.UnknownVal(cty.String),
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cty.Bool,
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cty.UnknownVal(cty.Bool), // conversion is optimistic
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``,
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},
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{
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cty.TupleVal([]cty.Value{cty.StringVal("hello"), cty.True}),
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cty.List(cty.String),
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cty.ListVal([]cty.Value{cty.StringVal("hello"), cty.StringVal("true")}),
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``,
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},
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{
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cty.TupleVal([]cty.Value{cty.StringVal("hello"), cty.True}),
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cty.Set(cty.String),
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cty.SetVal([]cty.Value{cty.StringVal("hello"), cty.StringVal("true")}),
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``,
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},
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{
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cty.ObjectVal(map[string]cty.Value{"foo": cty.StringVal("hello"), "bar": cty.True}),
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cty.Map(cty.String),
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cty.MapVal(map[string]cty.Value{"foo": cty.StringVal("hello"), "bar": cty.StringVal("true")}),
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``,
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},
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{
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cty.EmptyTupleVal,
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cty.String,
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cty.DynamicVal,
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`cannot convert tuple to string`,
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},
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{
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cty.UnknownVal(cty.EmptyTuple),
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cty.String,
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cty.DynamicVal,
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`cannot convert tuple to string`,
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},
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{
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cty.EmptyObjectVal,
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cty.Object(map[string]cty.Type{"foo": cty.String}),
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cty.DynamicVal,
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`incompatible object type for conversion: attribute "foo" is required`,
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},
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}
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for _, test := range tests {
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t.Run(fmt.Sprintf("to %s(%#v)", test.TargetTy.FriendlyNameForConstraint(), test.Value), func(t *testing.T) {
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f := MakeToFunc(test.TargetTy)
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got, err := f.Call([]cty.Value{test.Value})
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if test.Err != "" {
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if err == nil {
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t.Fatal("succeeded; want error")
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}
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if got, want := err.Error(), test.Err; got != want {
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t.Fatalf("wrong error\ngot: %s\nwant: %s", got, want)
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}
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return
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} else if err != nil {
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t.Fatalf("unexpected error: %s", err)
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}
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if !got.RawEquals(test.Want) {
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t.Errorf("wrong result\ngot: %#v\nwant: %#v", got, test.Want)
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}
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})
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}
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}
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