hcl/hcldec/spec_test.go
Martin Atkins 6c4344623b Unfold the "hcl" directory up into the root
The main HCL package is more visible this way, and so it's easier than
having to pick it out from dozens of other package directories.
2019-09-09 16:08:19 -07:00

142 lines
3.3 KiB
Go

package hcldec
import (
"reflect"
"testing"
"github.com/apparentlymart/go-dump/dump"
"github.com/zclconf/go-cty/cty"
"github.com/hashicorp/hcl/v2"
"github.com/hashicorp/hcl/v2/hclsyntax"
)
// Verify that all of our spec types implement the necessary interfaces
var _ Spec = ObjectSpec(nil)
var _ Spec = TupleSpec(nil)
var _ Spec = (*AttrSpec)(nil)
var _ Spec = (*LiteralSpec)(nil)
var _ Spec = (*ExprSpec)(nil)
var _ Spec = (*BlockSpec)(nil)
var _ Spec = (*BlockListSpec)(nil)
var _ Spec = (*BlockSetSpec)(nil)
var _ Spec = (*BlockMapSpec)(nil)
var _ Spec = (*BlockAttrsSpec)(nil)
var _ Spec = (*BlockLabelSpec)(nil)
var _ Spec = (*DefaultSpec)(nil)
var _ Spec = (*TransformExprSpec)(nil)
var _ Spec = (*TransformFuncSpec)(nil)
var _ attrSpec = (*AttrSpec)(nil)
var _ attrSpec = (*DefaultSpec)(nil)
var _ blockSpec = (*BlockSpec)(nil)
var _ blockSpec = (*BlockListSpec)(nil)
var _ blockSpec = (*BlockSetSpec)(nil)
var _ blockSpec = (*BlockMapSpec)(nil)
var _ blockSpec = (*BlockAttrsSpec)(nil)
var _ blockSpec = (*DefaultSpec)(nil)
var _ specNeedingVariables = (*AttrSpec)(nil)
var _ specNeedingVariables = (*BlockSpec)(nil)
var _ specNeedingVariables = (*BlockListSpec)(nil)
var _ specNeedingVariables = (*BlockSetSpec)(nil)
var _ specNeedingVariables = (*BlockMapSpec)(nil)
var _ specNeedingVariables = (*BlockAttrsSpec)(nil)
func TestDefaultSpec(t *testing.T) {
config := `
foo = fooval
bar = barval
`
f, diags := hclsyntax.ParseConfig([]byte(config), "", hcl.Pos{Line: 1, Column: 1})
if diags.HasErrors() {
t.Fatal(diags.Error())
}
t.Run("primary set", func(t *testing.T) {
spec := &DefaultSpec{
Primary: &AttrSpec{
Name: "foo",
Type: cty.String,
},
Default: &AttrSpec{
Name: "bar",
Type: cty.String,
},
}
gotVars := Variables(f.Body, spec)
wantVars := []hcl.Traversal{
{
hcl.TraverseRoot{
Name: "fooval",
SrcRange: hcl.Range{
Filename: "",
Start: hcl.Pos{Line: 2, Column: 7, Byte: 7},
End: hcl.Pos{Line: 2, Column: 13, Byte: 13},
},
},
},
{
hcl.TraverseRoot{
Name: "barval",
SrcRange: hcl.Range{
Filename: "",
Start: hcl.Pos{Line: 3, Column: 7, Byte: 20},
End: hcl.Pos{Line: 3, Column: 13, Byte: 26},
},
},
},
}
if !reflect.DeepEqual(gotVars, wantVars) {
t.Errorf("wrong Variables result\ngot: %s\nwant: %s", dump.Value(gotVars), dump.Value(wantVars))
}
ctx := &hcl.EvalContext{
Variables: map[string]cty.Value{
"fooval": cty.StringVal("foo value"),
"barval": cty.StringVal("bar value"),
},
}
got, err := Decode(f.Body, spec, ctx)
if err != nil {
t.Fatal(err)
}
want := cty.StringVal("foo value")
if !got.RawEquals(want) {
t.Errorf("wrong Decode result\ngot: %#v\nwant: %#v", got, want)
}
})
t.Run("primary not set", func(t *testing.T) {
spec := &DefaultSpec{
Primary: &AttrSpec{
Name: "foo",
Type: cty.String,
},
Default: &AttrSpec{
Name: "bar",
Type: cty.String,
},
}
ctx := &hcl.EvalContext{
Variables: map[string]cty.Value{
"fooval": cty.NullVal(cty.String),
"barval": cty.StringVal("bar value"),
},
}
got, err := Decode(f.Body, spec, ctx)
if err != nil {
t.Fatal(err)
}
want := cty.StringVal("bar value")
if !got.RawEquals(want) {
t.Errorf("wrong Decode result\ngot: %#v\nwant: %#v", got, want)
}
})
}