terraform/internal/providercache/dir_test.go

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package providercache
import (
"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 TestDirReading(t *testing.T) {
testDir := "testdata/cachedir"
// We'll force using particular platforms for unit testing purposes,
// so that we'll get consistent results on all platforms.
windowsPlatform := getproviders.Platform{ // only null 2.0.0 is cached
OS: "windows",
Arch: "amd64",
}
linuxPlatform := getproviders.Platform{ // various provider versions are cached
OS: "linux",
Arch: "amd64",
}
nullProvider := addrs.NewProvider(
addrs.DefaultRegistryHost, "hashicorp", "null",
)
randomProvider := addrs.NewProvider(
addrs.DefaultRegistryHost, "hashicorp", "random",
)
randomBetaProvider := addrs.NewProvider(
addrs.DefaultRegistryHost, "hashicorp", "random-beta",
)
nonExistProvider := addrs.NewProvider(
addrs.DefaultRegistryHost, "bloop", "nonexist",
)
legacyProvider := addrs.NewLegacyProvider("legacy")
t.Run("ProviderLatestVersion", func(t *testing.T) {
t.Run("exists", func(t *testing.T) {
dir := NewDirWithPlatform(testDir, windowsPlatform)
got := dir.ProviderLatestVersion(nullProvider)
want := &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(want, got); diff != "" {
t.Errorf("wrong result\n%s", diff)
}
})
t.Run("no package for current platform", func(t *testing.T) {
dir := NewDirWithPlatform(testDir, windowsPlatform)
// random provider is only cached for linux_amd64 in our fixtures dir
got := dir.ProviderLatestVersion(randomProvider)
var want *CachedProvider
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("wrong result\n%s", diff)
}
})
t.Run("no versions available at all", func(t *testing.T) {
dir := NewDirWithPlatform(testDir, windowsPlatform)
// nonexist provider is not present in our fixtures dir at all
got := dir.ProviderLatestVersion(nonExistProvider)
var want *CachedProvider
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("wrong result\n%s", diff)
}
})
})
t.Run("ProviderVersion", func(t *testing.T) {
t.Run("exists", func(t *testing.T) {
dir := NewDirWithPlatform(testDir, windowsPlatform)
got := dir.ProviderVersion(nullProvider, versions.MustParseVersion("2.0.0"))
want := &CachedProvider{
Provider: nullProvider,
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(want, got); diff != "" {
t.Errorf("wrong result\n%s", diff)
}
})
t.Run("specified version is not cached", func(t *testing.T) {
dir := NewDirWithPlatform(testDir, windowsPlatform)
// there is no v5.0.0 package in our fixtures dir
got := dir.ProviderVersion(nullProvider, versions.MustParseVersion("5.0.0"))
var want *CachedProvider
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("wrong result\n%s", diff)
}
})
t.Run("no package for current platform", func(t *testing.T) {
dir := NewDirWithPlatform(testDir, windowsPlatform)
// random provider 1.2.0 is only cached for linux_amd64 in our fixtures dir
got := dir.ProviderVersion(randomProvider, versions.MustParseVersion("1.2.0"))
var want *CachedProvider
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("wrong result\n%s", diff)
}
})
t.Run("no versions available at all", func(t *testing.T) {
dir := NewDirWithPlatform(testDir, windowsPlatform)
// nonexist provider is not present in our fixtures dir at all
got := dir.ProviderVersion(nonExistProvider, versions.MustParseVersion("1.0.0"))
var want *CachedProvider
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("wrong result\n%s", diff)
}
})
})
t.Run("AllAvailablePackages", func(t *testing.T) {
dir := NewDirWithPlatform(testDir, linuxPlatform)
got := dir.AllAvailablePackages()
want := map[addrs.Provider][]CachedProvider{
legacyProvider: {
{
Provider: legacyProvider,
Version: versions.MustParseVersion("1.0.0"),
PackageDir: "testdata/cachedir/registry.terraform.io/-/legacy/1.0.0/linux_amd64",
ExecutableFile: "testdata/cachedir/registry.terraform.io/-/legacy/1.0.0/linux_amd64/terraform-provider-legacy",
},
},
nullProvider: {
{
Provider: nullProvider,
Version: versions.MustParseVersion("2.0.0"),
PackageDir: "testdata/cachedir/registry.terraform.io/hashicorp/null/2.0.0/linux_amd64",
ExecutableFile: "testdata/cachedir/registry.terraform.io/hashicorp/null/2.0.0/linux_amd64/terraform-provider-null",
},
},
randomProvider: {
{
Provider: randomProvider,
Version: versions.MustParseVersion("1.2.0"),
PackageDir: "testdata/cachedir/registry.terraform.io/hashicorp/random/1.2.0/linux_amd64",
ExecutableFile: "testdata/cachedir/registry.terraform.io/hashicorp/random/1.2.0/linux_amd64/terraform-provider-random",
},
},
randomBetaProvider: {
{
Provider: randomBetaProvider,
Version: versions.MustParseVersion("1.2.0"),
PackageDir: "testdata/cachedir/registry.terraform.io/hashicorp/random-beta/1.2.0/linux_amd64",
ExecutableFile: "testdata/cachedir/registry.terraform.io/hashicorp/random-beta/1.2.0/linux_amd64/terraform-provider-random-beta",
},
},
}
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("wrong result\n%s", diff)
}
})
}