|
| 1 | +package main |
| 2 | + |
| 3 | +import ( |
| 4 | + "testing" |
| 5 | + "time" |
| 6 | +) |
| 7 | + |
| 8 | +func TestParseArgs(t *testing.T) { |
| 9 | + tests := []struct { |
| 10 | + name string |
| 11 | + args []string |
| 12 | + isTerminal bool |
| 13 | + want config |
| 14 | + wantErr bool |
| 15 | + }{ |
| 16 | + { |
| 17 | + name: "no args", |
| 18 | + args: []string{}, |
| 19 | + isTerminal: false, |
| 20 | + want: config{}, |
| 21 | + }, |
| 22 | + { |
| 23 | + name: "URLs only", |
| 24 | + args: []string{"url1", "url2"}, |
| 25 | + isTerminal: false, |
| 26 | + want: config{urls: []string{"url1", "url2"}}, |
| 27 | + }, |
| 28 | + { |
| 29 | + name: "tuiMode defaults to isTerminal true", |
| 30 | + args: []string{"url"}, |
| 31 | + isTerminal: true, |
| 32 | + want: config{urls: []string{"url"}, tuiMode: true}, |
| 33 | + }, |
| 34 | + { |
| 35 | + name: "tuiMode defaults to isTerminal false", |
| 36 | + args: []string{"url"}, |
| 37 | + isTerminal: false, |
| 38 | + want: config{urls: []string{"url"}}, |
| 39 | + }, |
| 40 | + { |
| 41 | + name: "--tui flag", |
| 42 | + args: []string{"url", "--tui"}, |
| 43 | + isTerminal: false, |
| 44 | + want: config{urls: []string{"url"}, tuiMode: true}, |
| 45 | + }, |
| 46 | + { |
| 47 | + name: "--no-tui flag", |
| 48 | + args: []string{"url", "--no-tui"}, |
| 49 | + isTerminal: true, |
| 50 | + want: config{urls: []string{"url"}}, |
| 51 | + }, |
| 52 | + { |
| 53 | + name: "--notui alias", |
| 54 | + args: []string{"url", "--notui"}, |
| 55 | + isTerminal: true, |
| 56 | + want: config{urls: []string{"url"}}, |
| 57 | + }, |
| 58 | + { |
| 59 | + name: "bare --otel sets otelStdout", |
| 60 | + args: []string{"url", "--otel"}, |
| 61 | + isTerminal: false, |
| 62 | + want: config{urls: []string{"url"}, otelStdout: true}, |
| 63 | + }, |
| 64 | + { |
| 65 | + name: "--otel=endpoint sets otelEndpoint", |
| 66 | + args: []string{"url", "--otel=host:4318"}, |
| 67 | + isTerminal: false, |
| 68 | + want: config{urls: []string{"url"}, otelEndpoint: "host:4318"}, |
| 69 | + }, |
| 70 | + { |
| 71 | + name: "bare --otel-grpc defaults to localhost:4317", |
| 72 | + args: []string{"url", "--otel-grpc"}, |
| 73 | + isTerminal: false, |
| 74 | + want: config{urls: []string{"url"}, otelGRPCEndpoint: "localhost:4317"}, |
| 75 | + }, |
| 76 | + { |
| 77 | + name: "--otel-grpc=endpoint sets custom endpoint", |
| 78 | + args: []string{"url", "--otel-grpc=host:9999"}, |
| 79 | + isTerminal: false, |
| 80 | + want: config{urls: []string{"url"}, otelGRPCEndpoint: "host:9999"}, |
| 81 | + }, |
| 82 | + { |
| 83 | + name: "--window=2h", |
| 84 | + args: []string{"url", "--window=2h"}, |
| 85 | + isTerminal: false, |
| 86 | + want: config{urls: []string{"url"}, window: 2 * time.Hour}, |
| 87 | + }, |
| 88 | + { |
| 89 | + name: "--window=bad returns error", |
| 90 | + args: []string{"url", "--window=bad"}, |
| 91 | + isTerminal: false, |
| 92 | + wantErr: true, |
| 93 | + }, |
| 94 | + { |
| 95 | + name: "--clear-cache flag", |
| 96 | + args: []string{"--clear-cache"}, |
| 97 | + isTerminal: false, |
| 98 | + want: config{clearCache: true}, |
| 99 | + }, |
| 100 | + { |
| 101 | + name: "--help flag", |
| 102 | + args: []string{"--help"}, |
| 103 | + isTerminal: false, |
| 104 | + want: config{showHelp: true}, |
| 105 | + }, |
| 106 | + { |
| 107 | + name: "-h flag", |
| 108 | + args: []string{"-h"}, |
| 109 | + isTerminal: false, |
| 110 | + want: config{showHelp: true}, |
| 111 | + }, |
| 112 | + { |
| 113 | + name: "help word", |
| 114 | + args: []string{"help"}, |
| 115 | + isTerminal: false, |
| 116 | + want: config{showHelp: true}, |
| 117 | + }, |
| 118 | + { |
| 119 | + name: "--perfetto=file.json", |
| 120 | + args: []string{"url", "--perfetto=trace.json"}, |
| 121 | + isTerminal: false, |
| 122 | + want: config{urls: []string{"url"}, perfettoFile: "trace.json"}, |
| 123 | + }, |
| 124 | + { |
| 125 | + name: "--open-in-perfetto flag", |
| 126 | + args: []string{"url", "--open-in-perfetto"}, |
| 127 | + isTerminal: false, |
| 128 | + want: config{urls: []string{"url"}, openInPerfetto: true}, |
| 129 | + }, |
| 130 | + { |
| 131 | + name: "--open-in-otel flag", |
| 132 | + args: []string{"url", "--open-in-otel"}, |
| 133 | + isTerminal: false, |
| 134 | + want: config{urls: []string{"url"}, openInOTel: true}, |
| 135 | + }, |
| 136 | + { |
| 137 | + name: "unknown flags pass through as URLs", |
| 138 | + args: []string{"--unknown"}, |
| 139 | + isTerminal: false, |
| 140 | + want: config{urls: []string{"--unknown"}}, |
| 141 | + }, |
| 142 | + { |
| 143 | + name: "multiple flags combined", |
| 144 | + args: []string{"url", "--otel", "--otel-grpc", "--no-tui"}, |
| 145 | + isTerminal: true, |
| 146 | + want: config{ |
| 147 | + urls: []string{"url"}, |
| 148 | + otelStdout: true, |
| 149 | + otelGRPCEndpoint: "localhost:4317", |
| 150 | + }, |
| 151 | + }, |
| 152 | + { |
| 153 | + name: "--clear-cache with URL", |
| 154 | + args: []string{"--clear-cache", "url"}, |
| 155 | + isTerminal: false, |
| 156 | + want: config{urls: []string{"url"}, clearCache: true}, |
| 157 | + }, |
| 158 | + } |
| 159 | + |
| 160 | + for _, tt := range tests { |
| 161 | + t.Run(tt.name, func(t *testing.T) { |
| 162 | + got, err := parseArgs(tt.args, tt.isTerminal) |
| 163 | + if tt.wantErr { |
| 164 | + if err == nil { |
| 165 | + t.Fatal("expected error, got nil") |
| 166 | + } |
| 167 | + return |
| 168 | + } |
| 169 | + if err != nil { |
| 170 | + t.Fatalf("unexpected error: %v", err) |
| 171 | + } |
| 172 | + |
| 173 | + if !slicesEqual(got.urls, tt.want.urls) { |
| 174 | + t.Errorf("urls = %v, want %v", got.urls, tt.want.urls) |
| 175 | + } |
| 176 | + if got.perfettoFile != tt.want.perfettoFile { |
| 177 | + t.Errorf("perfettoFile = %q, want %q", got.perfettoFile, tt.want.perfettoFile) |
| 178 | + } |
| 179 | + if got.openInPerfetto != tt.want.openInPerfetto { |
| 180 | + t.Errorf("openInPerfetto = %v, want %v", got.openInPerfetto, tt.want.openInPerfetto) |
| 181 | + } |
| 182 | + if got.openInOTel != tt.want.openInOTel { |
| 183 | + t.Errorf("openInOTel = %v, want %v", got.openInOTel, tt.want.openInOTel) |
| 184 | + } |
| 185 | + if got.otelEndpoint != tt.want.otelEndpoint { |
| 186 | + t.Errorf("otelEndpoint = %q, want %q", got.otelEndpoint, tt.want.otelEndpoint) |
| 187 | + } |
| 188 | + if got.otelStdout != tt.want.otelStdout { |
| 189 | + t.Errorf("otelStdout = %v, want %v", got.otelStdout, tt.want.otelStdout) |
| 190 | + } |
| 191 | + if got.otelGRPCEndpoint != tt.want.otelGRPCEndpoint { |
| 192 | + t.Errorf("otelGRPCEndpoint = %q, want %q", got.otelGRPCEndpoint, tt.want.otelGRPCEndpoint) |
| 193 | + } |
| 194 | + if got.tuiMode != tt.want.tuiMode { |
| 195 | + t.Errorf("tuiMode = %v, want %v", got.tuiMode, tt.want.tuiMode) |
| 196 | + } |
| 197 | + if got.clearCache != tt.want.clearCache { |
| 198 | + t.Errorf("clearCache = %v, want %v", got.clearCache, tt.want.clearCache) |
| 199 | + } |
| 200 | + if got.window != tt.want.window { |
| 201 | + t.Errorf("window = %v, want %v", got.window, tt.want.window) |
| 202 | + } |
| 203 | + if got.showHelp != tt.want.showHelp { |
| 204 | + t.Errorf("showHelp = %v, want %v", got.showHelp, tt.want.showHelp) |
| 205 | + } |
| 206 | + }) |
| 207 | + } |
| 208 | +} |
| 209 | + |
| 210 | +func slicesEqual(a, b []string) bool { |
| 211 | + if len(a) == 0 && len(b) == 0 { |
| 212 | + return true |
| 213 | + } |
| 214 | + if len(a) != len(b) { |
| 215 | + return false |
| 216 | + } |
| 217 | + for i := range a { |
| 218 | + if a[i] != b[i] { |
| 219 | + return false |
| 220 | + } |
| 221 | + } |
| 222 | + return true |
| 223 | +} |
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