terraform/plugin/convert/diagnostics_test.go

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package convert
import (
"errors"
"testing"
"github.com/google/go-cmp/cmp"
proto "github.com/hashicorp/terraform/internal/tfplugin5"
"github.com/hashicorp/terraform/tfdiags"
"github.com/zclconf/go-cty/cty"
)
func TestProtoDiagnostics(t *testing.T) {
diags := WarnsAndErrsToProto(
[]string{
"warning 1",
"warning 2",
},
[]error{
errors.New("error 1"),
errors.New("error 2"),
},
)
expected := []*proto.Diagnostic{
{
Severity: proto.Diagnostic_WARNING,
Summary: "warning 1",
},
{
Severity: proto.Diagnostic_WARNING,
Summary: "warning 2",
},
{
Severity: proto.Diagnostic_ERROR,
Summary: "error 1",
},
{
Severity: proto.Diagnostic_ERROR,
Summary: "error 2",
},
}
if !cmp.Equal(expected, diags) {
t.Fatal(cmp.Diff(expected, diags))
}
}
func TestDiagnostics(t *testing.T) {
type diagFlat struct {
Severity tfdiags.Severity
Attr []interface{}
Summary string
Detail string
}
tests := map[string]struct {
Cons func([]*proto.Diagnostic) []*proto.Diagnostic
Want []diagFlat
}{
"nil": {
func(diags []*proto.Diagnostic) []*proto.Diagnostic {
return diags
},
nil,
},
"error": {
func(diags []*proto.Diagnostic) []*proto.Diagnostic {
return append(diags, &proto.Diagnostic{
Severity: proto.Diagnostic_ERROR,
Summary: "simple error",
})
},
[]diagFlat{
{
Severity: tfdiags.Error,
Summary: "simple error",
},
},
},
"detailed error": {
func(diags []*proto.Diagnostic) []*proto.Diagnostic {
return append(diags, &proto.Diagnostic{
Severity: proto.Diagnostic_ERROR,
Summary: "simple error",
Detail: "detailed error",
})
},
[]diagFlat{
{
Severity: tfdiags.Error,
Summary: "simple error",
Detail: "detailed error",
},
},
},
"warning": {
func(diags []*proto.Diagnostic) []*proto.Diagnostic {
return append(diags, &proto.Diagnostic{
Severity: proto.Diagnostic_WARNING,
Summary: "simple warning",
})
},
[]diagFlat{
{
Severity: tfdiags.Warning,
Summary: "simple warning",
},
},
},
"detailed warning": {
func(diags []*proto.Diagnostic) []*proto.Diagnostic {
return append(diags, &proto.Diagnostic{
Severity: proto.Diagnostic_WARNING,
Summary: "simple warning",
Detail: "detailed warning",
})
},
[]diagFlat{
{
Severity: tfdiags.Warning,
Summary: "simple warning",
Detail: "detailed warning",
},
},
},
"multi error": {
func(diags []*proto.Diagnostic) []*proto.Diagnostic {
diags = append(diags, &proto.Diagnostic{
Severity: proto.Diagnostic_ERROR,
Summary: "first error",
}, &proto.Diagnostic{
Severity: proto.Diagnostic_ERROR,
Summary: "second error",
})
return diags
},
[]diagFlat{
{
Severity: tfdiags.Error,
Summary: "first error",
},
{
Severity: tfdiags.Error,
Summary: "second error",
},
},
},
"warning and error": {
func(diags []*proto.Diagnostic) []*proto.Diagnostic {
diags = append(diags, &proto.Diagnostic{
Severity: proto.Diagnostic_WARNING,
Summary: "warning",
}, &proto.Diagnostic{
Severity: proto.Diagnostic_ERROR,
Summary: "error",
})
return diags
},
[]diagFlat{
{
Severity: tfdiags.Warning,
Summary: "warning",
},
{
Severity: tfdiags.Error,
Summary: "error",
},
},
},
"attr error": {
func(diags []*proto.Diagnostic) []*proto.Diagnostic {
diags = append(diags, &proto.Diagnostic{
Severity: proto.Diagnostic_ERROR,
Summary: "error",
Detail: "error detail",
Attribute: &proto.AttributePath{
Steps: []*proto.AttributePath_Step{
{
Selector: &proto.AttributePath_Step_AttributeName{
AttributeName: "attribute_name",
},
},
},
},
})
return diags
},
[]diagFlat{
{
Severity: tfdiags.Error,
Summary: "error",
Detail: "error detail",
Attr: []interface{}{"attribute_name"},
},
},
},
"multi attr": {
func(diags []*proto.Diagnostic) []*proto.Diagnostic {
diags = append(diags,
&proto.Diagnostic{
Severity: proto.Diagnostic_ERROR,
Summary: "error 1",
Detail: "error 1 detail",
Attribute: &proto.AttributePath{
Steps: []*proto.AttributePath_Step{
{
Selector: &proto.AttributePath_Step_AttributeName{
AttributeName: "attr",
},
},
},
},
},
&proto.Diagnostic{
Severity: proto.Diagnostic_ERROR,
Summary: "error 2",
Detail: "error 2 detail",
Attribute: &proto.AttributePath{
Steps: []*proto.AttributePath_Step{
{
Selector: &proto.AttributePath_Step_AttributeName{
AttributeName: "attr",
},
},
{
Selector: &proto.AttributePath_Step_AttributeName{
AttributeName: "sub",
},
},
},
},
},
&proto.Diagnostic{
Severity: proto.Diagnostic_WARNING,
Summary: "warning",
Detail: "warning detail",
Attribute: &proto.AttributePath{
Steps: []*proto.AttributePath_Step{
{
Selector: &proto.AttributePath_Step_AttributeName{
AttributeName: "attr",
},
},
{
Selector: &proto.AttributePath_Step_ElementKeyInt{
ElementKeyInt: 1,
},
},
{
Selector: &proto.AttributePath_Step_AttributeName{
AttributeName: "sub",
},
},
},
},
},
&proto.Diagnostic{
Severity: proto.Diagnostic_ERROR,
Summary: "error 3",
Detail: "error 3 detail",
Attribute: &proto.AttributePath{
Steps: []*proto.AttributePath_Step{
{
Selector: &proto.AttributePath_Step_AttributeName{
AttributeName: "attr",
},
},
{
Selector: &proto.AttributePath_Step_ElementKeyString{
ElementKeyString: "idx",
},
},
{
Selector: &proto.AttributePath_Step_AttributeName{
AttributeName: "sub",
},
},
},
},
},
)
return diags
},
[]diagFlat{
{
Severity: tfdiags.Error,
Summary: "error 1",
Detail: "error 1 detail",
Attr: []interface{}{"attr"},
},
{
Severity: tfdiags.Error,
Summary: "error 2",
Detail: "error 2 detail",
Attr: []interface{}{"attr", "sub"},
},
{
Severity: tfdiags.Warning,
Summary: "warning",
Detail: "warning detail",
Attr: []interface{}{"attr", 1, "sub"},
},
{
Severity: tfdiags.Error,
Summary: "error 3",
Detail: "error 3 detail",
Attr: []interface{}{"attr", "idx", "sub"},
},
},
},
}
flattenTFDiags := func(ds tfdiags.Diagnostics) []diagFlat {
var flat []diagFlat
for _, item := range ds {
desc := item.Description()
var attr []interface{}
for _, a := range tfdiags.GetAttribute(item) {
switch step := a.(type) {
case cty.GetAttrStep:
attr = append(attr, step.Name)
case cty.IndexStep:
switch step.Key.Type() {
case cty.Number:
i, _ := step.Key.AsBigFloat().Int64()
attr = append(attr, int(i))
case cty.String:
attr = append(attr, step.Key.AsString())
}
}
}
flat = append(flat, diagFlat{
Severity: item.Severity(),
Attr: attr,
Summary: desc.Summary,
Detail: desc.Detail,
})
}
return flat
}
for name, tc := range tests {
t.Run(name, func(t *testing.T) {
// we take the
tfDiags := ProtoToDiagnostics(tc.Cons(nil))
flat := flattenTFDiags(tfDiags)
if !cmp.Equal(flat, tc.Want, typeComparer, valueComparer, equateEmpty) {
t.Fatal(cmp.Diff(flat, tc.Want, typeComparer, valueComparer, equateEmpty))
}
})
}
}