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public_test.go
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public_test.go
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// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package json
import (
"fmt"
"strings"
"testing"
"github.com/hashicorp/hcl/v2"
"github.com/zclconf/go-cty/cty"
)
func TestParse_nonObject(t *testing.T) {
src := `true`
file, diags := Parse([]byte(src), "")
if len(diags) != 1 {
t.Errorf("got %d diagnostics; want 1", len(diags))
}
if file == nil {
t.Errorf("got nil File; want actual file")
}
if file.Body == nil {
t.Fatalf("got nil Body; want actual body")
}
if file.Body.(*body).val == nil {
t.Errorf("got nil Body object; want placeholder object")
}
}
func TestParseTemplate(t *testing.T) {
src := `{"greeting": "hello ${\"world\"}"}`
file, diags := Parse([]byte(src), "")
if len(diags) != 0 {
t.Errorf("got %d diagnostics on parse; want 0", len(diags))
for _, diag := range diags {
t.Logf("- %s", diag.Error())
}
}
if file == nil {
t.Errorf("got nil File; want actual file")
}
if file.Body == nil {
t.Fatalf("got nil Body; want actual body")
}
attrs, diags := file.Body.JustAttributes()
if len(diags) != 0 {
t.Errorf("got %d diagnostics on decode; want 0", len(diags))
for _, diag := range diags {
t.Logf("- %s", diag.Error())
}
}
val, diags := attrs["greeting"].Expr.Value(&hcl.EvalContext{})
if len(diags) != 0 {
t.Errorf("got %d diagnostics on eval; want 0", len(diags))
for _, diag := range diags {
t.Logf("- %s", diag.Error())
}
}
if !val.RawEquals(cty.StringVal("hello world")) {
t.Errorf("wrong result %#v; want %#v", val, cty.StringVal("hello world"))
}
}
func TestParseTemplateUnwrap(t *testing.T) {
src := `{"greeting": "${true}"}`
file, diags := Parse([]byte(src), "")
if len(diags) != 0 {
t.Errorf("got %d diagnostics on parse; want 0", len(diags))
for _, diag := range diags {
t.Logf("- %s", diag.Error())
}
}
if file == nil {
t.Errorf("got nil File; want actual file")
}
if file.Body == nil {
t.Fatalf("got nil Body; want actual body")
}
attrs, diags := file.Body.JustAttributes()
if len(diags) != 0 {
t.Errorf("got %d diagnostics on decode; want 0", len(diags))
for _, diag := range diags {
t.Logf("- %s", diag.Error())
}
}
val, diags := attrs["greeting"].Expr.Value(&hcl.EvalContext{})
if len(diags) != 0 {
t.Errorf("got %d diagnostics on eval; want 0", len(diags))
for _, diag := range diags {
t.Logf("- %s", diag.Error())
}
}
if !val.RawEquals(cty.True) {
t.Errorf("wrong result %#v; want %#v", val, cty.True)
}
}
func TestParse_malformed(t *testing.T) {
src := `{
"http_proxy_url: "http:https://xxxxxx",
}`
file, diags := Parse([]byte(src), "")
if got, want := len(diags), 2; got != want {
t.Errorf("got %d diagnostics; want %d", got, want)
}
if err, want := diags.Error(), `Missing property value colon`; !strings.Contains(err, want) {
t.Errorf("diags are %q, but should contain %q", err, want)
}
if file == nil {
t.Errorf("got nil File; want actual file")
}
}
func TestParseWithStartPos(t *testing.T) {
src := `{
"foo": {
"bar": "baz"
}
}`
part := `{
"bar": "baz"
}`
file, diags := Parse([]byte(src), "")
partFile, partDiags := ParseWithStartPos([]byte(part), "", hcl.Pos{Byte: 0, Line: 2, Column: 10})
if len(diags) != 0 {
t.Errorf("got %d diagnostics on parse src; want 0", len(diags))
for _, diag := range diags {
t.Logf("- %s", diag.Error())
}
}
if len(partDiags) != 0 {
t.Errorf("got %d diagnostics on parse part src; want 0", len(partDiags))
for _, diag := range partDiags {
t.Logf("- %s", diag.Error())
}
}
if file == nil {
t.Errorf("got nil File; want actual file")
}
if file.Body == nil {
t.Fatalf("got nil Body; want actual body")
}
if partFile == nil {
t.Errorf("got nil part File; want actual file")
}
if partFile.Body == nil {
t.Fatalf("got nil part Body; want actual body")
}
content, diags := file.Body.Content(&hcl.BodySchema{
Blocks: []hcl.BlockHeaderSchema{{Type: "foo"}},
})
if len(diags) != 0 {
t.Errorf("got %d diagnostics on decode; want 0", len(diags))
for _, diag := range diags {
t.Logf("- %s", diag.Error())
}
}
attrs, diags := content.Blocks[0].Body.JustAttributes()
if len(diags) != 0 {
t.Errorf("got %d diagnostics on decode; want 0", len(diags))
for _, diag := range diags {
t.Logf("- %s", diag.Error())
}
}
srcRange := attrs["bar"].Expr.Range()
partAttrs, diags := partFile.Body.JustAttributes()
if len(diags) != 0 {
t.Errorf("got %d diagnostics on decode; want 0", len(diags))
for _, diag := range diags {
t.Logf("- %s", diag.Error())
}
}
partRange := partAttrs["bar"].Expr.Range()
if srcRange.String() != partRange.String() {
t.Errorf("The two ranges did not match: src=%s, part=%s", srcRange, partRange)
}
}
func TestParseExpression(t *testing.T) {
tests := []struct {
Input string
Want string
}{
{
`"hello"`,
`cty.StringVal("hello")`,
},
{
`"hello ${noun}"`,
`cty.StringVal("hello world")`,
},
{
"true",
"cty.True",
},
{
"false",
"cty.False",
},
{
"1",
"cty.NumberIntVal(1)",
},
{
"{}",
"cty.EmptyObjectVal",
},
{
`{"foo":"bar","baz":1}`,
`cty.ObjectVal(map[string]cty.Value{"baz":cty.NumberIntVal(1), "foo":cty.StringVal("bar")})`,
},
{
"[]",
"cty.EmptyTupleVal",
},
{
`["1",2,3]`,
`cty.TupleVal([]cty.Value{cty.StringVal("1"), cty.NumberIntVal(2), cty.NumberIntVal(3)})`,
},
}
for _, test := range tests {
t.Run(test.Input, func(t *testing.T) {
expr, diags := ParseExpression([]byte(test.Input), "")
if diags.HasErrors() {
t.Errorf("got %d diagnostics; want 0", len(diags))
for _, d := range diags {
t.Logf(" - %s", d.Error())
}
}
value, diags := expr.Value(&hcl.EvalContext{
Variables: map[string]cty.Value{
"noun": cty.StringVal("world"),
},
})
if diags.HasErrors() {
t.Errorf("got %d diagnostics on decode value; want 0", len(diags))
for _, d := range diags {
t.Logf(" - %s", d.Error())
}
}
got := fmt.Sprintf("%#v", value)
if got != test.Want {
t.Errorf("got %s, but want %s", got, test.Want)
}
})
}
}
func TestParseExpression_malformed(t *testing.T) {
src := `invalid`
expr, diags := ParseExpression([]byte(src), "")
if got, want := len(diags), 1; got != want {
t.Errorf("got %d diagnostics; want %d", got, want)
}
if err, want := diags.Error(), `Invalid JSON keyword`; !strings.Contains(err, want) {
t.Errorf("diags are %q, but should contain %q", err, want)
}
if expr == nil {
t.Errorf("got nil Expression; want actual expression")
}
}
func TestParseExpressionWithStartPos(t *testing.T) {
src := `{
"foo": "bar"
}`
part := `"bar"`
file, diags := Parse([]byte(src), "")
partExpr, partDiags := ParseExpressionWithStartPos([]byte(part), "", hcl.Pos{Byte: 0, Line: 2, Column: 10})
if len(diags) != 0 {
t.Errorf("got %d diagnostics on parse src; want 0", len(diags))
for _, diag := range diags {
t.Logf("- %s", diag.Error())
}
}
if len(partDiags) != 0 {
t.Errorf("got %d diagnostics on parse part src; want 0", len(partDiags))
for _, diag := range partDiags {
t.Logf("- %s", diag.Error())
}
}
if file == nil {
t.Errorf("got nil File; want actual file")
}
if file.Body == nil {
t.Errorf("got nil Body: want actual body")
}
if partExpr == nil {
t.Errorf("got nil Expression; want actual expression")
}
content, diags := file.Body.Content(&hcl.BodySchema{
Attributes: []hcl.AttributeSchema{{Name: "foo"}},
})
if len(diags) != 0 {
t.Errorf("got %d diagnostics on decode; want 0", len(diags))
for _, diag := range diags {
t.Logf("- %s", diag.Error())
}
}
expr := content.Attributes["foo"].Expr
if expr.Range().String() != partExpr.Range().String() {
t.Errorf("The two ranges did not match: src=%s, part=%s", expr.Range(), partExpr.Range())
}
}