terraform/internal/providercache/dir_modify_test.go

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package providercache
import (
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"context"
"io/ioutil"
"os"
"path/filepath"
"testing"
"github.com/apparentlymart/go-versions/versions"
"github.com/google/go-cmp/cmp"
"github.com/hashicorp/terraform/addrs"
"github.com/hashicorp/terraform/internal/getproviders"
)
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func TestInstallPackage(t *testing.T) {
tmpDirPath, err := ioutil.TempDir("", "terraform-test-providercache")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpDirPath)
tmpDirPath, err = filepath.EvalSymlinks(tmpDirPath)
if err != nil {
t.Fatal(err)
}
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linuxPlatform := getproviders.Platform{
OS: "linux",
Arch: "amd64",
}
nullProvider := addrs.NewProvider(
addrs.DefaultRegistryHost, "hashicorp", "null",
)
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tmpDir := NewDirWithPlatform(tmpDirPath, linuxPlatform)
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meta := getproviders.PackageMeta{
Provider: nullProvider,
Version: versions.MustParseVersion("2.1.0"),
ProtocolVersions: getproviders.VersionList{versions.MustParseVersion("5.0.0")},
TargetPlatform: linuxPlatform,
Filename: "terraform-provider-null_2.1.0_linux_amd64.zip",
Location: getproviders.PackageLocalArchive("testdata/terraform-provider-null_2.1.0_linux_amd64.zip"),
}
result, err := tmpDir.InstallPackage(context.TODO(), meta)
if err != nil {
t.Fatalf("InstallPackage failed: %s", err)
}
if result != nil {
t.Errorf("unexpected result %#v, wanted nil", result)
}
// Now we should see the same version reflected in the temporary directory.
got := tmpDir.AllAvailablePackages()
want := map[addrs.Provider][]CachedProvider{
nullProvider: {
CachedProvider{
Provider: nullProvider,
Version: versions.MustParseVersion("2.1.0"),
PackageDir: tmpDirPath + "/registry.terraform.io/hashicorp/null/2.1.0/linux_amd64",
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},
},
}
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("wrong cache contents after install\n%s", diff)
}
}
func TestLinkFromOtherCache(t *testing.T) {
srcDirPath := "testdata/cachedir"
tmpDirPath, err := ioutil.TempDir("", "terraform-test-providercache")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpDirPath)
tmpDirPath, err = filepath.EvalSymlinks(tmpDirPath)
if err != nil {
t.Fatal(err)
}
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",
},
},
}
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"),
PackageDir: tmpDirPath + "/registry.terraform.io/hashicorp/null/2.0.0/windows_amd64",
},
},
}
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("wrong cache contents after link\n%s", diff)
}
}