| 1 | package host |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "errors" |
| 6 | "github.com/carlosframework/platform/internal/rootparticipation" |
| 7 | "go/ast" |
| 8 | "go/parser" |
| 9 | "go/token" |
| 10 | "os" |
| 11 | "sync" |
| 12 | "testing" |
| 13 | |
| 14 | "github.com/carlosframework/platform/internal/rootstate" |
| 15 | ) |
| 16 | |
| 17 | type plan14ReleaseStore struct { |
| 18 | rootstate.Store |
| 19 | mu sync.Mutex |
| 20 | held bool |
| 21 | fail error |
| 22 | } |
| 23 | |
| 24 | func (s *plan14ReleaseStore) Lock(ctx context.Context, name string) (func(), error) { |
| 25 | if name != "release.lock" { |
| 26 | return nil, os.ErrPermission |
| 27 | } |
| 28 | if s.fail != nil { |
| 29 | return nil, s.fail |
| 30 | } |
| 31 | s.mu.Lock() |
| 32 | s.held = true |
| 33 | return func() { s.held = false; s.mu.Unlock() }, nil |
| 34 | } |
| 35 | func (s *plan14ReleaseStore) Close() error { return nil } |
| 36 | |
| 37 | func TestPlan14AdoptReleaseLock(t *testing.T) { |
| 38 | s := &plan14ReleaseStore{} |
| 39 | called := 0 |
| 40 | open := func() (rootstate.Store, error) { called++; return s, nil } |
| 41 | effects := 0 |
| 42 | run := func() error { |
| 43 | if !s.held { |
| 44 | t.Fatal("effect outside release lock") |
| 45 | } |
| 46 | effects++ |
| 47 | return nil |
| 48 | } |
| 49 | if err := withRootReleaseStore(context.Background(), open, run); err != nil { |
| 50 | t.Fatal(err) |
| 51 | } |
| 52 | if effects != 1 || called != 1 { |
| 53 | t.Fatal(effects, called) |
| 54 | } |
| 55 | s.fail = os.ErrPermission |
| 56 | if err := withRootReleaseStore(context.Background(), open, run); !errors.Is(err, os.ErrPermission) || effects != 1 { |
| 57 | t.Fatal("lock failure admitted effects", err, effects) |
| 58 | } |
| 59 | if err := withRootReleaseStore(context.Background(), open, run); !errors.Is(err, os.ErrPermission) || effects != 1 { |
| 60 | t.Fatal("flag-off lock failure admitted effects", err, effects) |
| 61 | } |
| 62 | s.fail = nil |
| 63 | if err := withRootReleaseStore(context.Background(), open, run); err != nil || effects != 2 || called != 4 { |
| 64 | t.Fatal(err, effects) |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | func TestPlan14AdoptBodyIsUnderRelease(t *testing.T) { |
| 69 | f, err := parser.ParseFile(token.NewFileSet(), "agent.go", nil, 0) |
| 70 | if err != nil { |
| 71 | t.Fatal(err) |
| 72 | } |
| 73 | var wrapper *ast.FuncDecl |
| 74 | for _, d := range f.Decls { |
| 75 | if fn, ok := d.(*ast.FuncDecl); ok && fn.Name.Name == "runAdoptWithEnsureSystemUnits" { |
| 76 | wrapper = fn |
| 77 | } |
| 78 | } |
| 79 | if wrapper == nil { |
| 80 | t.Fatal("missing adoption entrypoint") |
| 81 | } |
| 82 | calls, protected := 0, 0 |
| 83 | ast.Inspect(wrapper, func(n ast.Node) bool { |
| 84 | call, ok := n.(*ast.CallExpr) |
| 85 | if !ok { |
| 86 | return true |
| 87 | } |
| 88 | id, ok := call.Fun.(*ast.Ident) |
| 89 | if !ok { |
| 90 | return true |
| 91 | } |
| 92 | if id.Name == "runAdoptUnderRootRelease" { |
| 93 | calls++ |
| 94 | } |
| 95 | if id.Name == "withClaimRootRelease" && len(call.Args) == 5 { |
| 96 | fn, ok := call.Args[3].(*ast.FuncLit) |
| 97 | if !ok { |
| 98 | t.Fatal("release effect is not the adoption callback") |
| 99 | } |
| 100 | ast.Inspect(fn.Body, func(n ast.Node) bool { |
| 101 | if c, ok := n.(*ast.CallExpr); ok { |
| 102 | if id, ok := c.Fun.(*ast.Ident); ok && id.Name == "runAdoptUnderRootRelease" { |
| 103 | protected++ |
| 104 | } |
| 105 | } |
| 106 | return true |
| 107 | }) |
| 108 | } |
| 109 | return true |
| 110 | }) |
| 111 | if calls != 1 || protected != 1 { |
| 112 | t.Fatalf("adoption calls=%d; under release=%d", calls, protected) |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | func TestPlan14AdoptNoCensusDoesNotOpenRelease(t *testing.T) { |
| 117 | |
| 118 | effects := 0 |
| 119 | for range 2 { |
| 120 | err := withClaimReleaseCensus(t.Context(), func() (rootparticipation.Ledger, bool, error) { return rootparticipation.Ledger{}, false, nil }, func() (rootstate.Store, error) { |
| 121 | t.Fatal("opened release without census") |
| 122 | return nil, os.ErrPermission |
| 123 | }, func() error { effects++; return nil }) |
| 124 | if err != nil { |
| 125 | t.Fatal(err) |
| 126 | } |
| 127 | } |
| 128 | if effects != 2 { |
| 129 | t.Fatal(effects) |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | func TestPlan14ActivationNoCensusDoesNotExclude(t *testing.T) { |
| 134 | err := claimActivationReady(t.Context(), func() (rootparticipation.Ledger, bool, error) { |
| 135 | return rootparticipation.Ledger{ExcludeLaunches: func(context.Context, func(context.Context) error) error { |
| 136 | t.Fatal("excluded without census") |
| 137 | return nil |
| 138 | }}, false, nil |
| 139 | }) |
| 140 | if !errors.Is(err, rootparticipation.ErrUnavailable) { |
| 141 | t.Fatal(err) |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | func noCensusAdoptSource(open func() (rootstate.Store, error)) adoptRootSource { |
| 146 | return adoptRootSource{OpenRelease: open, Census: func() (rootparticipation.Ledger, bool, error) { return rootparticipation.Ledger{}, false, nil }} |
| 147 | } |
| 148 | |
| 149 | func TestPlan14AdoptRetainedCensusBothFlags(t *testing.T) { |
| 150 | for _, flag := range []bool{false, true} { |
| 151 | store := &plan14ReleaseStore{} |
| 152 | called := false |
| 153 | err := withClaimRootRelease(t.Context(), flag, func() (rootstate.Store, error) { return store, nil }, func() error { |
| 154 | called = true |
| 155 | if !store.held { |
| 156 | t.Fatal("retained census effect outside release") |
| 157 | } |
| 158 | return nil |
| 159 | }, func() (rootparticipation.Ledger, bool, error) { return rootparticipation.Ledger{}, true, nil }) |
| 160 | if err != nil || !called { |
| 161 | t.Fatal(err, called) |
| 162 | } |
| 163 | } |
| 164 | } |
| 165 | |
amadan