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