a519c182e8Export the Event type in preparation for providing user-definable storage for resumable streams. Also, move event code to a separate file. This PR is just renaming and code motion.
99 lines
2.2 KiB
Go
99 lines
2.2 KiB
Go
// Copyright 2025 The Go MCP SDK Authors. All rights reserved.
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// Use of this source code is governed by an MIT-style
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// license that can be found in the LICENSE file.
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package mcp
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import (
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"strings"
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"testing"
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)
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func TestScanEvents(t *testing.T) {
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tests := []struct {
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name string
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input string
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want []Event
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wantErr string
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}{
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{
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name: "simple event",
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input: "event: message\nid: 1\ndata: hello\n\n",
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want: []Event{
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{Name: "message", ID: "1", Data: []byte("hello")},
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},
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},
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{
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name: "multiple data lines",
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input: "data: line 1\ndata: line 2\n\n",
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want: []Event{
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{Data: []byte("line 1\nline 2")},
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},
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},
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{
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name: "multiple events",
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input: "data: first\n\nevent: second\ndata: second\n\n",
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want: []Event{
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{Data: []byte("first")},
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{Name: "second", Data: []byte("second")},
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},
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},
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{
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name: "no trailing newline",
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input: "data: hello",
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want: []Event{
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{Data: []byte("hello")},
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},
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},
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{
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name: "malformed line",
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input: "invalid line\n\n",
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wantErr: "malformed line",
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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r := strings.NewReader(tt.input)
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var got []Event
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var err error
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for e, err2 := range scanEvents(r) {
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if err2 != nil {
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err = err2
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break
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}
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got = append(got, e)
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}
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if tt.wantErr != "" {
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if err == nil {
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t.Fatalf("scanEvents() got nil error, want error containing %q", tt.wantErr)
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}
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if !strings.Contains(err.Error(), tt.wantErr) {
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t.Fatalf("scanEvents() error = %q, want containing %q", err, tt.wantErr)
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}
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return
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}
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if err != nil {
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t.Fatalf("scanEvents() returned unexpected error: %v", err)
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}
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if len(got) != len(tt.want) {
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t.Fatalf("scanEvents() got %d events, want %d", len(got), len(tt.want))
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}
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for i := range got {
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if g, w := got[i].Name, tt.want[i].Name; g != w {
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t.Errorf("event %d: name = %q, want %q", i, g, w)
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}
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if g, w := got[i].ID, tt.want[i].ID; g != w {
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t.Errorf("event %d: id = %q, want %q", i, g, w)
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}
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if g, w := string(got[i].Data), string(tt.want[i].Data); g != w {
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t.Errorf("event %d: data = %q, want %q", i, g, w)
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}
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}
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})
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}
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}
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