|
| 1 | +package mirror |
| 2 | + |
| 3 | +import ( |
| 4 | + "context" |
| 5 | + "encoding/json" |
| 6 | + "errors" |
| 7 | + "reflect" |
| 8 | + "testing" |
| 9 | +) |
| 10 | + |
| 11 | +// fakeVersions lists fixed versions and records what it was asked for. |
| 12 | +type fakeVersions struct { |
| 13 | + versions []string |
| 14 | + err error |
| 15 | + asked []string |
| 16 | +} |
| 17 | + |
| 18 | +func (f *fakeVersions) ListVersions(_ context.Context, ecosystem, name string) ([]string, error) { |
| 19 | + f.asked = append(f.asked, ecosystem+"/"+name) |
| 20 | + return f.versions, f.err |
| 21 | +} |
| 22 | + |
| 23 | +func enumerate(t *testing.T, source Source) []PackageVersion { |
| 24 | + t.Helper() |
| 25 | + var items []PackageVersion |
| 26 | + if err := source.Enumerate(context.Background(), func(pv PackageVersion) error { |
| 27 | + items = append(items, pv) |
| 28 | + return nil |
| 29 | + }); err != nil { |
| 30 | + t.Fatalf("Enumerate() error = %v", err) |
| 31 | + } |
| 32 | + return items |
| 33 | +} |
| 34 | + |
| 35 | +func TestPURLSourceListsVersionsThroughLister(t *testing.T) { |
| 36 | + versions := &fakeVersions{versions: []string{"1.0.0", "1.1.0"}} |
| 37 | + source := &PURLSource{PURLs: []string{"pkg:npm/%40acme/widget"}, Versions: versions} |
| 38 | + |
| 39 | + items := enumerate(t, source) |
| 40 | + |
| 41 | + want := []PackageVersion{ |
| 42 | + {Ecosystem: "npm", Name: "@acme/widget", Version: "1.0.0"}, |
| 43 | + {Ecosystem: "npm", Name: "@acme/widget", Version: "1.1.0"}, |
| 44 | + } |
| 45 | + if !reflect.DeepEqual(items, want) { |
| 46 | + t.Errorf("items = %v, want %v", items, want) |
| 47 | + } |
| 48 | + if !reflect.DeepEqual(versions.asked, []string{"npm/@acme/widget"}) { |
| 49 | + t.Errorf("lister asked for %v, want npm/@acme/widget", versions.asked) |
| 50 | + } |
| 51 | +} |
| 52 | + |
| 53 | +func TestPURLSourceReportsListerError(t *testing.T) { |
| 54 | + source := &PURLSource{PURLs: []string{"pkg:npm/left-pad"}, Versions: &fakeVersions{err: errors.New("upstream down")}} |
| 55 | + err := source.Enumerate(context.Background(), func(PackageVersion) error { return nil }) |
| 56 | + if err == nil { |
| 57 | + t.Fatal("Enumerate() succeeded although listing versions failed") |
| 58 | + } |
| 59 | +} |
| 60 | + |
| 61 | +func TestSBOMSourceListsVersionsThroughLister(t *testing.T) { |
| 62 | + bom := map[string]any{ |
| 63 | + "bomFormat": "CycloneDX", |
| 64 | + "specVersion": "1.4", |
| 65 | + "components": []map[string]any{{"type": "library", "name": "left-pad", "purl": "pkg:npm/left-pad"}}, |
| 66 | + } |
| 67 | + versions := &fakeVersions{versions: []string{"1.3.0"}} |
| 68 | + source := &SBOMSource{Data: marshalJSON(t, bom), Versions: versions} |
| 69 | + |
| 70 | + items := enumerate(t, source) |
| 71 | + |
| 72 | + if len(items) != 1 || items[0].Version != "1.3.0" { |
| 73 | + t.Errorf("items = %v, want left-pad@1.3.0 from the lister", items) |
| 74 | + } |
| 75 | +} |
| 76 | + |
| 77 | +func TestSourceFromRequestUsesMirrorVersions(t *testing.T) { |
| 78 | + m := setupTestMirror(t, 1) |
| 79 | + versions := &fakeVersions{} |
| 80 | + m.Versions = versions |
| 81 | + js := NewJobStore(context.Background(), m) |
| 82 | + |
| 83 | + source, err := js.sourceFromRequest(JobRequest{PURLs: []string{"pkg:npm/left-pad"}}) |
| 84 | + if err != nil { |
| 85 | + t.Fatalf("sourceFromRequest() error = %v", err) |
| 86 | + } |
| 87 | + if got := source.(*PURLSource).Versions; got != versions { |
| 88 | + t.Errorf("PURL source lists versions through %v, want the mirror's lister", got) |
| 89 | + } |
| 90 | + |
| 91 | + source, err = js.sourceFromRequest(JobRequest{SBOM: json.RawMessage(`{"bomFormat":"CycloneDX","components":[]}`)}) |
| 92 | + if err != nil { |
| 93 | + t.Fatalf("sourceFromRequest() error = %v", err) |
| 94 | + } |
| 95 | + if got := source.(*SBOMSource).Versions; got != versions { |
| 96 | + t.Errorf("SBOM source lists versions through %v, want the mirror's lister", got) |
| 97 | + } |
| 98 | +} |
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