Function TestScanSnapshotSynthetic

stack/context_test.go:40–1334

(t *testing.T)

}

func TestScanSnapshotSynthetic(t *testing.T) {
	t.Parallel()
	data := []struct {
		name   string
		in     []string
		prefix string
		suffix string
		err    error
		want   []*Goroutine
	}{
		{
			name: "Nothing",
			err:  io.EOF,
		},
		{
			name:   "NothingEmpty",
			in:     make([]string, 111),
			prefix: strings.Repeat("\n", 110),
			err:    io.EOF,
		},
		{
			name:   "NothingLong",
			in:     []string{strings.Repeat("a", bufio.MaxScanTokenSize+10)},
			prefix: strings.Repeat("a", bufio.MaxScanTokenSize+10),
			err:    io.EOF,
		},

		// One call from main, one from stdlib, one from third party.
		// Create a long first line that will be ignored. It is to guard against
		// https://github.com/maruel/panicparse/issues/17.
		{
			name: "long,main,stdlib,third",
			in: []string{
				strings.Repeat("a", bufio.MaxScanTokenSize+1),
				"panic: reflect.Set: value of type",
				"",
				"goroutine 1 [running]:",
				"github.com/cockroachdb/cockroach/storage/engine._Cfunc_DBIterSeek()",
				" ??:0 +0x6d",
				"gopkg.in/yaml%2ev2.handleErr(0x433b20)",
				"\t/gopath/src/gopkg.in/yaml.v2/yaml.go:153 +0xc6",
				"reflect.Value.assignTo(0x570860, 0x803f3e0, 0x15)",
				"\t/goroot/src/reflect/value.go:2125 +0x368",
				"main.main()",
				"\t/gopath/src/github.com/maruel/panicparse/stack/stack.go:428 +0x27",
				"",
			},
			prefix: strings.Repeat("a", bufio.MaxScanTokenSize+1) + "\npanic: reflect.Set: value of type\n\n",
			err:    io.EOF,
			want: []*Goroutine{
				{
					Signature: Signature{
						State: "running",
						Stack: Stack{
							Calls: []Call{
								newCall(
									"github.com/cockroachdb/cockroach/storage/engine._Cfunc_DBIterSeek",
									Args{}, "??", 0),