| 1 | package releaseasset |
| 2 | |
| 3 | import ( |
| 4 | "archive/tar" |
| 5 | "bytes" |
| 6 | "compress/gzip" |
| 7 | "context" |
| 8 | "crypto/sha256" |
| 9 | "encoding/hex" |
| 10 | "fmt" |
| 11 | "net/http" |
| 12 | "net/http/httptest" |
| 13 | "testing" |
| 14 | ) |
| 15 | |
| 16 | func TestDownloadCLIFromBaseVerifiesAndExtracts(t *testing.T) { |
| 17 | binary := []byte("reasonix-binary") |
| 18 | archive := testCLIArchive(t, binary) |
| 19 | digest := sha256.Sum256(archive) |
| 20 | server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| 21 | switch r.URL.Path { |
| 22 | case "/v1.2.3/reasonix-linux-arm64.tar.gz": |
| 23 | _, _ = w.Write(archive) |
| 24 | case "/v1.2.3/SHA256SUMS": |
| 25 | _, _ = fmt.Fprintf(w, "%s reasonix-linux-arm64.tar.gz\n", hex.EncodeToString(digest[:])) |
| 26 | default: |
| 27 | http.NotFound(w, r) |
| 28 | } |
| 29 | })) |
| 30 | defer server.Close() |
| 31 | |
| 32 | got, err := downloadCLIFromBase(context.Background(), server.Client(), server.URL, "v1.2.3", "linux", "arm64", false) |
| 33 | if err != nil { |
| 34 | t.Fatal(err) |
| 35 | } |
| 36 | if !bytes.Equal(got, binary) { |
| 37 | t.Fatalf("binary = %q, want %q", got, binary) |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | func TestDownloadCLIFromBaseRejectsChecksumMismatch(t *testing.T) { |
| 42 | archive := testCLIArchive(t, []byte("reasonix-binary")) |
| 43 | server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| 44 | if r.URL.Path == "/v1.2.3/reasonix-linux-amd64.tar.gz" { |
| 45 | _, _ = w.Write(archive) |
| 46 | return |
| 47 | } |
| 48 | _, _ = fmt.Fprintf(w, "%064d reasonix-linux-amd64.tar.gz\n", 0) |
| 49 | })) |
| 50 | defer server.Close() |
| 51 | |
| 52 | if _, err := downloadCLIFromBase(context.Background(), server.Client(), server.URL, "v1.2.3", "linux", "amd64", false); err == nil { |
| 53 | t.Fatal("checksum mismatch was accepted") |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | func TestDownloadCLIRejectsDevelopmentAndUnsupportedTargets(t *testing.T) { |
| 58 | for _, test := range []struct{ version, goos, goarch string }{ |
| 59 | {"dev", "linux", "amd64"}, |
| 60 | {"v1.2.3", "windows", "amd64"}, |
| 61 | {"v1.2.3", "linux", "riscv64"}, |
| 62 | } { |
| 63 | if _, err := DownloadCLI(context.Background(), http.DefaultClient, test.version, test.goos, test.goarch); err == nil { |
| 64 | t.Fatalf("DownloadCLI(%q,%q,%q) unexpectedly succeeded", test.version, test.goos, test.goarch) |
| 65 | } |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | func testCLIArchive(t *testing.T, binary []byte) []byte { |
| 70 | t.Helper() |
| 71 | var buf bytes.Buffer |
| 72 | gz := gzip.NewWriter(&buf) |
| 73 | tw := tar.NewWriter(gz) |
| 74 | if err := tw.WriteHeader(&tar.Header{Name: "reasonix", Mode: 0o755, Size: int64(len(binary)), Typeflag: tar.TypeReg}); err != nil { |
| 75 | t.Fatal(err) |
| 76 | } |
| 77 | if _, err := tw.Write(binary); err != nil { |
| 78 | t.Fatal(err) |
| 79 | } |
| 80 | if err := tw.Close(); err != nil { |
| 81 | t.Fatal(err) |
| 82 | } |
| 83 | if err := gz.Close(); err != nil { |
| 84 | t.Fatal(err) |
| 85 | } |
| 86 | return buf.Bytes() |
| 87 | } |
| 88 |