terraform/configs/provider_requirements_test.go

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package configs
import (
"fmt"
"testing"
"github.com/google/go-cmp/cmp"
"github.com/google/go-cmp/cmp/cmpopts"
version "github.com/hashicorp/go-version"
"github.com/hashicorp/hcl/v2"
"github.com/hashicorp/hcl/v2/hcltest"
"github.com/zclconf/go-cty/cty"
)
var (
ignoreUnexported = cmpopts.IgnoreUnexported(version.Constraint{})
comparer = cmp.Comparer(func(x, y RequiredProvider) bool {
if x.Name != y.Name {
return false
}
if x.Source != y.Source {
return false
}
if x.Requirement.Required.String() != y.Requirement.Required.String() {
return false
}
return true
})
)
func TestDecodeRequiredProvidersBlock_legacy(t *testing.T) {
block := &hcl.Block{
Type: "required_providers",
Body: hcltest.MockBody(&hcl.BodyContent{
Attributes: hcl.Attributes{
"default": {
Name: "default",
Expr: hcltest.MockExprLiteral(cty.StringVal("1.0.0")),
},
},
}),
}
want := &RequiredProvider{
Name: "default",
Requirement: testVC("1.0.0"),
}
got, diags := decodeRequiredProvidersBlock(block)
if diags.HasErrors() {
t.Fatalf("unexpected error")
}
if len(got) != 1 {
t.Fatalf("wrong number of results, got %d, wanted 1", len(got))
}
if !cmp.Equal(got[0], want, ignoreUnexported, comparer) {
t.Fatalf("wrong result:\n %s", cmp.Diff(got[0], want, ignoreUnexported, comparer))
}
}
func TestDecodeRequiredProvidersBlock_provider_source(t *testing.T) {
block := &hcl.Block{
Type: "required_providers",
Body: hcltest.MockBody(&hcl.BodyContent{
Attributes: hcl.Attributes{
"my_test": {
Name: "my_test",
Expr: hcltest.MockExprLiteral(cty.ObjectVal(map[string]cty.Value{
"source": cty.StringVal("mycloud/test"),
"version": cty.StringVal("2.0.0"),
})),
},
},
}),
}
want := &RequiredProvider{
Name: "my_test",
Source: "mycloud/test",
Requirement: testVC("2.0.0"),
}
got, diags := decodeRequiredProvidersBlock(block)
if diags.HasErrors() {
t.Fatalf("unexpected error")
}
if len(got) != 1 {
t.Fatalf("wrong number of results, got %d, wanted 1", len(got))
}
if !cmp.Equal(got[0], want, ignoreUnexported, comparer) {
t.Fatalf("wrong result:\n %s", cmp.Diff(got[0], want, ignoreUnexported, comparer))
}
}
func TestDecodeRequiredProvidersBlock_mixed(t *testing.T) {
block := &hcl.Block{
Type: "required_providers",
Body: hcltest.MockBody(&hcl.BodyContent{
Attributes: hcl.Attributes{
"legacy": {
Name: "legacy",
Expr: hcltest.MockExprLiteral(cty.StringVal("1.0.0")),
},
"my_test": {
Name: "my_test",
Expr: hcltest.MockExprLiteral(cty.ObjectVal(map[string]cty.Value{
"source": cty.StringVal("mycloud/test"),
"version": cty.StringVal("2.0.0"),
})),
},
},
}),
}
want := []*RequiredProvider{
{
Name: "legacy",
Requirement: testVC("1.0.0"),
},
{
Name: "my_test",
Source: "mycloud/test",
Requirement: testVC("2.0.0"),
},
}
got, diags := decodeRequiredProvidersBlock(block)
if diags.HasErrors() {
t.Fatalf("unexpected error")
}
if len(got) != 2 {
t.Fatalf("wrong number of results, got %d, wanted 2", len(got))
}
for i, rp := range want {
if !cmp.Equal(got[i], rp, ignoreUnexported, comparer) {
t.Fatalf("wrong result:\n %s", cmp.Diff(got[0], rp, ignoreUnexported, comparer))
}
}
}
func TestDecodeRequiredProvidersBlock_version_error(t *testing.T) {
block := &hcl.Block{
Type: "required_providers",
Body: hcltest.MockBody(&hcl.BodyContent{
Attributes: hcl.Attributes{
"my_test": {
Name: "my_test",
Expr: hcltest.MockExprLiteral(cty.ObjectVal(map[string]cty.Value{
"source": cty.StringVal("mycloud/test"),
"version": cty.StringVal("invalid"),
})),
},
},
}),
}
want := []*RequiredProvider{
{
Name: "my_test",
Source: "mycloud/test",
},
}
got, diags := decodeRequiredProvidersBlock(block)
if !diags.HasErrors() {
t.Fatalf("expected error, got success")
} else {
fmt.Printf(diags[0].Summary)
}
if len(got) != 1 {
t.Fatalf("wrong number of results, got %d, wanted 1", len(got))
}
for i, rp := range want {
if !cmp.Equal(got[i], rp, ignoreUnexported, comparer) {
t.Fatalf("wrong result:\n %s", cmp.Diff(got[0], rp, ignoreUnexported, comparer))
}
}
}
func testVC(ver string) VersionConstraint {
constraint, _ := version.NewConstraint(ver)
return VersionConstraint{
Required: constraint,
DeclRange: hcl.Range{},
}
}