terraform/internal/providercache/dir_modify_test.go

99 lines
3.3 KiB
Go

package providercache
import (
"io/ioutil"
"os"
"testing"
"github.com/apparentlymart/go-versions/versions"
"github.com/google/go-cmp/cmp"
"github.com/hashicorp/terraform/addrs"
"github.com/hashicorp/terraform/internal/getproviders"
)
func LinkFromOtherCache(t *testing.T) {
srcDirPath := "testdata/cachedir"
tmpDirPath, err := ioutil.TempDir("", "terraform-test-providercache")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpDirPath)
windowsPlatform := getproviders.Platform{
OS: "windows",
Arch: "amd64",
}
nullProvider := addrs.NewProvider(
addrs.DefaultRegistryHost, "hashicorp", "null",
)
srcDir := newDirWithPlatform(srcDirPath, windowsPlatform)
tmpDir := newDirWithPlatform(tmpDirPath, windowsPlatform)
// First we'll check our preconditions: srcDir should have only the
// null provider version 2.0.0 in it, because we're faking that we're on
// Windows, and tmpDir should have no providers in it at all.
gotSrcInitial := srcDir.AllAvailablePackages()
wantSrcInitial := map[addrs.Provider][]CachedProvider{
nullProvider: {
CachedProvider{
Provider: nullProvider,
// We want 2.0.0 rather than 2.1.0 because the 2.1.0 package is
// still packed and thus not considered to be a cache member.
Version: versions.MustParseVersion("2.0.0"),
PackageDir: "testdata/cachedir/registry.terraform.io/hashicorp/null/2.0.0/windows_amd64",
ExecutableFile: "testdata/cachedir/registry.terraform.io/hashicorp/null/2.0.0/windows_amd64/terraform-provider-null.exe",
},
},
}
if diff := cmp.Diff(wantSrcInitial, gotSrcInitial); diff != "" {
t.Fatalf("incorrect initial source directory contents\n%s", diff)
}
gotTmpInitial := tmpDir.AllAvailablePackages()
wantTmpInitial := map[addrs.Provider][]CachedProvider{}
if diff := cmp.Diff(wantTmpInitial, gotTmpInitial); diff != "" {
t.Fatalf("incorrect initial temp directory contents\n%s", diff)
}
cacheEntry := srcDir.ProviderLatestVersion(nullProvider)
if cacheEntry == nil {
// This is weird because we just checked for the presence of this above
t.Fatalf("null provider has no latest version in source directory")
}
err = tmpDir.LinkFromOtherCache(cacheEntry)
if err != nil {
t.Fatalf("LinkFromOtherCache failed: %s", err)
}
// Now we should see the same version reflected in the temporary directory.
got := tmpDir.AllAvailablePackages()
want := map[addrs.Provider][]CachedProvider{
nullProvider: {
CachedProvider{
Provider: nullProvider,
// We want 2.0.0 rather than 2.1.0 because the 2.1.0 package is
// still packed and thus not considered to be a cache member.
Version: versions.MustParseVersion("2.0.0"),
// These are still pointed into the testdata directory because
// we created a symlink in our tmpDir. (This part of the test
// is expected to fail if the temporary directory is on a
// filesystem that cannot support symlinks, in which case
// we should see the temporary directory paths here instead.)
PackageDir: "testdata/cachedir/registry.terraform.io/hashicorp/null/2.0.0/windows_amd64",
ExecutableFile: "testdata/cachedir/registry.terraform.io/hashicorp/null/2.0.0/windows_amd64/terraform-provider-null.exe",
},
},
}
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("wrong cache contents after link\n%s", diff)
}
}