terraform/internal/initwd/from_module_test.go

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package initwd
import (
"os"
"path/filepath"
"strings"
"testing"
version "github.com/hashicorp/go-version"
"github.com/hashicorp/terraform/configs"
"github.com/hashicorp/terraform/configs/configload"
"github.com/hashicorp/terraform/registry"
"github.com/hashicorp/terraform/tfdiags"
)
func TestDirFromModule_registry(t *testing.T) {
if os.Getenv("TF_ACC") == "" {
t.Skip("this test accesses registry.terraform.io and github.com; set TF_ACC=1 to run it")
}
fixtureDir := filepath.Clean("test-fixtures/empty")
dir, done := tempChdir(t, fixtureDir)
modsDir := filepath.Join(dir, ".terraform/modules")
defer done()
hooks := &testInstallHooks{}
reg := registry.NewClient(nil, nil)
diags := DirFromModule(dir, modsDir, "hashicorp/module-installer-acctest/aws//examples/main", reg, hooks)
assertNoDiagnostics(t, diags)
v := version.Must(version.NewVersion("0.0.1"))
wantCalls := []testInstallHookCall{
// The module specified to populate the root directory is not mentioned
// here, because the hook mechanism is defined to talk about descendent
// modules only and so a caller to InitDirFromModule is expected to
// produce its own user-facing announcement about the root module being
// installed.
// Note that "root" in the following examples is, confusingly, the
// label on the module block in the example we've installed here:
// module "root" {
{
Name: "Download",
ModuleAddr: "root",
PackageAddr: "hashicorp/module-installer-acctest/aws",
Version: v,
},
{
Name: "Install",
ModuleAddr: "root",
Version: v,
LocalPath: ".terraform/modules/root/hashicorp-terraform-aws-module-installer-acctest-5e87aff",
},
{
Name: "Install",
ModuleAddr: "root.child_a",
LocalPath: ".terraform/modules/root/hashicorp-terraform-aws-module-installer-acctest-5e87aff/modules/child_a",
},
{
Name: "Install",
ModuleAddr: "root.child_a.child_b",
LocalPath: ".terraform/modules/root/hashicorp-terraform-aws-module-installer-acctest-5e87aff/modules/child_b",
},
}
if assertResultDeepEqual(t, hooks.Calls, wantCalls) {
return
}
loader, err := configload.NewLoader(&configload.Config{
ModulesDir: modsDir,
})
if err != nil {
t.Fatal(err)
}
// Make sure the configuration is loadable now.
// (This ensures that correct information is recorded in the manifest.)
config, loadDiags := loader.LoadConfig(".")
if assertNoDiagnostics(t, tfdiags.Diagnostics{}.Append(loadDiags)) {
return
}
wantTraces := map[string]string{
"": "in example",
"root": "in root module",
"root.child_a": "in child_a module",
"root.child_a.child_b": "in child_b module",
}
gotTraces := map[string]string{}
config.DeepEach(func(c *configs.Config) {
path := strings.Join(c.Path, ".")
if c.Module.Variables["v"] == nil {
gotTraces[path] = "<missing>"
return
}
varDesc := c.Module.Variables["v"].Description
gotTraces[path] = varDesc
})
assertResultDeepEqual(t, gotTraces, wantTraces)
}