333 lines
8.0 KiB
Go
333 lines
8.0 KiB
Go
package discovery
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import (
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"archive/zip"
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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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"net/http/httptest"
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"os"
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"path/filepath"
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"reflect"
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"regexp"
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"strings"
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"testing"
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)
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const testProviderFile = "test provider binary"
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// return the directory listing for the "test" provider
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func testListingHandler(w http.ResponseWriter, r *http.Request) {
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w.Write([]byte(versionList))
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}
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func testChecksumHandler(w http.ResponseWriter, r *http.Request) {
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// this exact plugin has a signnature and checksum file
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if r.URL.Path == "/terraform-provider-template/0.1.0/terraform-provider-template_0.1.0_SHA256SUMS" {
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http.ServeFile(w, r, "testdata/terraform-provider-template_0.1.0_SHA256SUMS")
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return
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}
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if r.URL.Path == "/terraform-provider-template/0.1.0/terraform-provider-template_0.1.0_SHA256SUMS.sig" {
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http.ServeFile(w, r, "testdata/terraform-provider-template_0.1.0_SHA256SUMS.sig")
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return
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}
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// this this checksum file is corrupt and doesn't match the sig
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if r.URL.Path == "/terraform-provider-badsig/0.1.0/terraform-provider-badsig_0.1.0_SHA256SUMS" {
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http.ServeFile(w, r, "testdata/terraform-provider-badsig_0.1.0_SHA256SUMS")
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return
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}
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if r.URL.Path == "/terraform-provider-badsig/0.1.0/terraform-provider-badsig_0.1.0_SHA256SUMS.sig" {
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http.ServeFile(w, r, "testdata/terraform-provider-badsig_0.1.0_SHA256SUMS.sig")
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return
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}
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http.Error(w, "signtaure files not found", http.StatusNotFound)
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}
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// returns a 200 for a valid provider url, using the patch number for the
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// plugin protocol version.
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func testHandler(w http.ResponseWriter, r *http.Request) {
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if r.URL.Path == "/terraform-provider-test/" {
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testListingHandler(w, r)
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return
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}
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parts := strings.Split(r.URL.Path, "/")
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if len(parts) != 4 {
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http.Error(w, "not found", http.StatusNotFound)
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return
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}
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filename := parts[3]
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reg := regexp.MustCompile(`(terraform-provider-test)_(\d).(\d).(\d)_([^_]+)_([^._]+).zip`)
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fileParts := reg.FindStringSubmatch(filename)
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if len(fileParts) != 7 {
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http.Error(w, "invalid provider: "+filename, http.StatusNotFound)
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return
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}
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w.Header().Set(protocolVersionHeader, fileParts[4])
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// write a dummy file
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z := zip.NewWriter(w)
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fn := fmt.Sprintf("%s_v%s.%s.%s_x%s", fileParts[1], fileParts[2], fileParts[3], fileParts[4], fileParts[4])
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f, err := z.Create(fn)
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if err != nil {
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panic(err)
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}
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io.WriteString(f, testProviderFile)
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z.Close()
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}
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func testReleaseServer() *httptest.Server {
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handler := http.NewServeMux()
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handler.HandleFunc("/terraform-provider-test/", testHandler)
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handler.HandleFunc("/terraform-provider-template/", testChecksumHandler)
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handler.HandleFunc("/terraform-provider-badsig/", testChecksumHandler)
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return httptest.NewServer(handler)
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}
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func TestMain(m *testing.M) {
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server := testReleaseServer()
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releaseHost = server.URL
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os.Exit(m.Run())
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}
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func TestVersionListing(t *testing.T) {
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i := &ProviderInstaller{}
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versions, err := i.listProviderVersions("test")
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if err != nil {
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t.Fatal(err)
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}
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Versions(versions).Sort()
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expected := []string{
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"1.2.4",
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"1.2.3",
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"1.2.1",
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}
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if len(versions) != len(expected) {
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t.Fatalf("Received wrong number of versions. expected: %q, got: %q", expected, versions)
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}
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for i, v := range versions {
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if v.String() != expected[i] {
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t.Fatalf("incorrect version: %q, expected %q", v, expected[i])
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}
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}
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}
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func TestCheckProtocolVersions(t *testing.T) {
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i := &ProviderInstaller{}
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if checkPlugin(i.providerURL("test", VersionStr("1.2.3").MustParse().String()), 4) {
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t.Fatal("protocol version 4 is not compatible")
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}
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if !checkPlugin(i.providerURL("test", VersionStr("1.2.3").MustParse().String()), 3) {
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t.Fatal("protocol version 3 should be compatible")
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}
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}
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func TestProviderInstallerGet(t *testing.T) {
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tmpDir, err := ioutil.TempDir("", "tf-plugin")
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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(tmpDir)
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// attempt to use an incompatible protocol version
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i := &ProviderInstaller{
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Dir: tmpDir,
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PluginProtocolVersion: 5,
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SkipVerify: true,
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}
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_, err = i.Get("test", AllVersions)
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if err != ErrorNoVersionCompatible {
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t.Fatal("want error for incompatible version")
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}
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i = &ProviderInstaller{
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Dir: tmpDir,
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PluginProtocolVersion: 3,
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SkipVerify: true,
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}
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{
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_, err := i.Get("test", ConstraintStr(">9.0.0").MustParse())
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if err != ErrorNoSuitableVersion {
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t.Fatal("want error for mismatching constraints")
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}
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}
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{
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_, err := i.Get("nonexist", AllVersions)
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if err != ErrorNoSuchProvider {
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t.Fatal("want error for no such provider")
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}
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}
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gotMeta, err := i.Get("test", AllVersions)
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if err != nil {
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t.Fatal(err)
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}
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// we should have version 1.2.3
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dest := filepath.Join(tmpDir, "terraform-provider-test_v1.2.3_x3")
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wantMeta := PluginMeta{
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Name: "test",
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Version: VersionStr("1.2.3"),
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Path: dest,
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}
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if !reflect.DeepEqual(gotMeta, wantMeta) {
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t.Errorf("wrong result meta\ngot: %#v\nwant: %#v", gotMeta, wantMeta)
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}
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f, err := ioutil.ReadFile(dest)
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if err != nil {
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t.Fatal(err)
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}
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// provider should have been unzipped
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if string(f) != testProviderFile {
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t.Fatalf("test provider contains: %q", f)
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}
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}
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func TestProviderInstallerPurgeUnused(t *testing.T) {
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tmpDir, err := ioutil.TempDir("", "tf-plugin")
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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(tmpDir)
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unwantedPath := filepath.Join(tmpDir, "terraform-provider-test_v0.0.1_x2")
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wantedPath := filepath.Join(tmpDir, "terraform-provider-test_v1.2.3_x3")
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f, err := os.Create(unwantedPath)
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if err != nil {
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t.Fatal(err)
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}
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f.Close()
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f, err = os.Create(wantedPath)
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if err != nil {
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t.Fatal(err)
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}
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f.Close()
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i := &ProviderInstaller{
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Dir: tmpDir,
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PluginProtocolVersion: 3,
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SkipVerify: true,
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}
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purged, err := i.PurgeUnused(map[string]PluginMeta{
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"test": PluginMeta{
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Name: "test",
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Version: VersionStr("1.2.3"),
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Path: wantedPath,
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},
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})
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if err != nil {
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t.Fatal(err)
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}
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if got, want := purged.Count(), 1; got != want {
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t.Errorf("wrong purged count %d; want %d", got, want)
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}
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if got, want := purged.Newest().Path, unwantedPath; got != want {
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t.Errorf("wrong purged path %s; want %s", got, want)
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}
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files, err := ioutil.ReadDir(tmpDir)
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if err != nil {
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t.Fatal(err)
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}
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gotFilenames := make([]string, len(files))
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for i, info := range files {
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gotFilenames[i] = info.Name()
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}
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wantFilenames := []string{"terraform-provider-test_v1.2.3_x3"}
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if !reflect.DeepEqual(gotFilenames, wantFilenames) {
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t.Errorf("wrong filenames after purge\ngot: %#v\nwant: %#v", gotFilenames, wantFilenames)
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}
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}
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// Test fetching a provider's checksum file while verifying its signature.
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func TestProviderChecksum(t *testing.T) {
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i := &ProviderInstaller{}
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// we only need the checksum, as getter is doing the actual file comparison.
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sha256sum, err := i.getProviderChecksum("template", "0.1.0")
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if err != nil {
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t.Fatal(err)
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}
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// get the expected checksum for our os/arch
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sumData, err := ioutil.ReadFile("testdata/terraform-provider-template_0.1.0_SHA256SUMS")
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if err != nil {
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t.Fatal(err)
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}
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expected := checksumForFile(sumData, i.providerFileName("template", "0.1.0"))
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if sha256sum != expected {
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t.Fatalf("expected: %s\ngot %s\n", sha256sum, expected)
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}
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}
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// Test fetching a provider's checksum file witha bad signature
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func TestProviderChecksumBadSignature(t *testing.T) {
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i := &ProviderInstaller{}
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// we only need the checksum, as getter is doing the actual file comparison.
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sha256sum, err := i.getProviderChecksum("badsig", "0.1.0")
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if err == nil {
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t.Fatal("expcted error")
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}
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if !strings.Contains(err.Error(), "signature") {
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t.Fatal("expected signature error, got:", err)
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}
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if sha256sum != "" {
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t.Fatal("expected no checksum, got:", sha256sum)
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}
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}
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const versionList = `<!DOCTYPE html>
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<html>
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<body>
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<ul>
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<li>
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<a href="../">../</a>
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</li>
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<li>
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<a href="/terraform-provider-test/1.2.3/">terraform-provider-test_1.2.3</a>
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</li>
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<li>
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<a href="/terraform-provider-test/1.2.1/">terraform-provider-test_1.2.1</a>
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</li>
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<li>
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<a href="/terraform-provider-test/1.2.4/">terraform-provider-test_1.2.4</a>
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</li>
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</ul>
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<footer>
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Proudly fronted by <a href="https://fastly.com/?utm_source=hashicorp" target="_TOP">Fastly</a>
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</footer>
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</body>
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</html>
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`
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