| 1 | package forward |
| 2 | |
| 3 | import "testing" |
| 4 | |
| 5 | func TestParseShorthand(t *testing.T) { |
| 6 | cases := []struct { |
| 7 | in string |
| 8 | bind, targ string |
| 9 | wantErr bool |
| 10 | }{ |
| 11 | {"8080", "127.0.0.1:8080", "127.0.0.1:8080", false}, |
| 12 | {"8080:example.com:80", "127.0.0.1:8080", "example.com:80", false}, |
| 13 | {"127.0.0.1:8080:db:5432", "127.0.0.1:8080", "db:5432", false}, |
| 14 | {"0.0.0.0:9000:svc:9000", "0.0.0.0:9000", "svc:9000", false}, |
| 15 | {":8080:svc:80", "127.0.0.1:8080", "svc:80", false}, |
| 16 | {"8080:svc:", "", "", true}, |
| 17 | {"8080::80", "", "", true}, |
| 18 | {"0", "", "", true}, |
| 19 | {"8080:svc:0", "", "", true}, |
| 20 | {"", "", "", true}, |
| 21 | {"a:b:c:d:e", "", "", true}, |
| 22 | } |
| 23 | for _, c := range cases { |
| 24 | s, err := ParseShorthand(Local, c.in) |
| 25 | if c.wantErr { |
| 26 | if err == nil { |
| 27 | t.Errorf("ParseShorthand(%q): expected error", c.in) |
| 28 | } |
| 29 | continue |
| 30 | } |
| 31 | if err != nil { |
| 32 | t.Errorf("ParseShorthand(%q): %v", c.in, err) |
| 33 | continue |
| 34 | } |
| 35 | if s.BindAddr != c.bind || s.TargetAddr != c.targ { |
| 36 | t.Errorf("ParseShorthand(%q) = bind %q target %q, want %q / %q", c.in, s.BindAddr, s.TargetAddr, c.bind, c.targ) |
| 37 | } |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | func TestSpecValidate(t *testing.T) { |
| 42 | valid := Spec{Direction: Local, BindAddr: "127.0.0.1:0", TargetAddr: "svc:80"} |
| 43 | if err := valid.Validate(); err != nil { |
| 44 | t.Fatalf("valid spec rejected: %v", err) |
| 45 | } |
| 46 | for _, spec := range []Spec{ |
| 47 | {Direction: Local, BindAddr: "127.0.0.1", TargetAddr: "svc:80"}, |
| 48 | {Direction: Local, BindAddr: "127.0.0.1:8000", TargetAddr: "svc"}, |
| 49 | {Direction: Local, BindAddr: "127.0.0.1:8000", TargetAddr: "svc:0"}, |
| 50 | {Direction: Direction(99), BindAddr: "127.0.0.1:8000", TargetAddr: "svc:80"}, |
| 51 | } { |
| 52 | if err := spec.Validate(); err == nil { |
| 53 | t.Errorf("invalid spec accepted: %+v", spec) |
| 54 | } |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | func TestNonLoopbackBind(t *testing.T) { |
| 59 | loop, _ := ParseShorthand(Local, "8080") |
| 60 | if loop.NonLoopbackBind() { |
| 61 | t.Error("127.0.0.1 flagged as non-loopback") |
| 62 | } |
| 63 | open, _ := ParseShorthand(Local, "0.0.0.0:8080:svc:80") |
| 64 | if !open.NonLoopbackBind() { |
| 65 | t.Error("0.0.0.0 not flagged as non-loopback") |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | func TestParseDirection(t *testing.T) { |
| 70 | for _, s := range []string{"local", "-L", "l"} { |
| 71 | if d, err := ParseDirection(s); err != nil || d != Local { |
| 72 | t.Errorf("ParseDirection(%q) = %v, %v", s, d, err) |
| 73 | } |
| 74 | } |
| 75 | for _, s := range []string{"remote", "-R", "R"} { |
| 76 | if d, err := ParseDirection(s); err != nil || d != Remote { |
| 77 | t.Errorf("ParseDirection(%q) = %v, %v", s, d, err) |
| 78 | } |
| 79 | } |
| 80 | if _, err := ParseDirection("dynamic"); err == nil { |
| 81 | t.Error("dynamic direction accepted") |
| 82 | } |
| 83 | } |
| 84 | |
| 85 | func TestDefaultName(t *testing.T) { |
| 86 | s := Spec{Direction: Local, BindAddr: "127.0.0.1:8080", TargetAddr: "svc:80"} |
| 87 | if got := s.DefaultName(); got != "L:127.0.0.1:8080->svc:80" { |
| 88 | t.Errorf("DefaultName = %q", got) |
| 89 | } |
| 90 | named := Spec{Name: "web", Direction: Remote} |
| 91 | if got := named.DefaultName(); got != "web" { |
| 92 | t.Errorf("DefaultName with name = %q", got) |
| 93 | } |
| 94 | } |
| 95 |