Files
opentf/internal/tofu/transform_config_test.go
Andrei Ciobanu 4077c3d84f Feature branch: Ephemeral resources (#2852)
Signed-off-by: Andrei Ciobanu <andrei.ciobanu@opentofu.org>
2025-08-04 16:39:12 +03:00

131 lines
3.2 KiB
Go

// Copyright (c) The OpenTofu Authors
// SPDX-License-Identifier: MPL-2.0
// Copyright (c) 2023 HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package tofu
import (
"strings"
"testing"
"github.com/google/go-cmp/cmp"
"github.com/opentofu/opentofu/internal/addrs"
)
func TestConfigTransformer_nilModule(t *testing.T) {
g := Graph{Path: addrs.RootModuleInstance}
tf := &ConfigTransformer{}
if err := tf.Transform(t.Context(), &g); err != nil {
t.Fatalf("err: %s", err)
}
if len(g.Vertices()) > 0 {
t.Fatalf("graph is not empty: %s", g.String())
}
}
func TestConfigTransformer(t *testing.T) {
g := Graph{Path: addrs.RootModuleInstance}
tf := &ConfigTransformer{Config: testModule(t, "graph-basic")}
if err := tf.Transform(t.Context(), &g); err != nil {
t.Fatalf("err: %s", err)
}
actual := strings.TrimSpace(g.String())
expected := strings.TrimSpace(testConfigTransformerGraphBasicStr)
if actual != expected {
t.Fatalf("bad:\n\n%s", actual)
}
}
func TestConfigTransformer_mode(t *testing.T) {
cases := map[string]struct {
filterFunc func(mode addrs.ResourceMode) bool
expectedGraph string
}{
"no filter": {
filterFunc: nil,
expectedGraph: `aws_instance.web
data.aws_ami.foo
ephemeral.aws_secret.secret`,
},
"allow all": {
filterFunc: func(mode addrs.ResourceMode) bool {
return false
},
expectedGraph: `aws_instance.web
data.aws_ami.foo
ephemeral.aws_secret.secret`,
},
"only managed resources": {
filterFunc: func(mode addrs.ResourceMode) bool {
return mode != addrs.ManagedResourceMode
},
expectedGraph: `aws_instance.web`,
},
"only data sources": {
filterFunc: func(mode addrs.ResourceMode) bool {
return mode != addrs.DataResourceMode
},
expectedGraph: `data.aws_ami.foo`,
},
"only ephemeral resources": {
filterFunc: func(mode addrs.ResourceMode) bool {
return mode != addrs.EphemeralResourceMode
},
expectedGraph: `ephemeral.aws_secret.secret`,
},
}
for name, tt := range cases {
t.Run(name, func(t *testing.T) {
g := Graph{Path: addrs.RootModuleInstance}
tf := &ConfigTransformer{
Config: testModule(t, "transform-config-mode-data"),
ModeFilter: tt.filterFunc,
}
if err := tf.Transform(t.Context(), &g); err != nil {
t.Fatalf("err: %s", err)
}
actual := strings.TrimSpace(g.String())
expected := strings.TrimSpace(tt.expectedGraph)
if diff := cmp.Diff(expected, actual); diff != "" {
t.Errorf("wrong graph:\n\n%s", diff)
}
})
}
}
func TestConfigTransformer_nonUnique(t *testing.T) {
g := Graph{Path: addrs.RootModuleInstance}
g.Add(NewNodeAbstractResource(
addrs.RootModule.Resource(
addrs.ManagedResourceMode, "aws_instance", "web",
),
))
tf := &ConfigTransformer{Config: testModule(t, "graph-basic")}
if err := tf.Transform(t.Context(), &g); err != nil {
t.Fatalf("err: %s", err)
}
actual := strings.TrimSpace(g.String())
expected := strings.TrimSpace(`
aws_instance.web
aws_instance.web
aws_load_balancer.weblb
aws_security_group.firewall
openstack_floating_ip.random
`)
if actual != expected {
t.Fatalf("bad:\n\n%s", actual)
}
}
const testConfigTransformerGraphBasicStr = `
aws_instance.web
aws_load_balancer.weblb
aws_security_group.firewall
openstack_floating_ip.random
`