2025-07-10 09:41:51 +03:00
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package builtin
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import (
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"context"
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"net/http"
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"net/http/httptest"
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2026-02-25 18:17:25 +03:00
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"slices"
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2025-07-10 09:41:51 +03:00
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"strings"
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"testing"
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"github.com/mark3labs/mcp-go/mcp"
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)
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func TestNewHTTPServer(t *testing.T) {
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2025-07-15 14:41:44 +03:00
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server, err := NewHTTPServer(nil)
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2025-07-10 09:41:51 +03:00
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if err != nil {
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t.Fatalf("Failed to create HTTP server: %v", err)
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}
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if server == nil {
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t.Fatal("Expected server to be non-nil")
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}
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}
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func TestHTTPServerRegistry(t *testing.T) {
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registry := NewRegistry()
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// Test that HTTP server is registered
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servers := registry.ListServers()
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2026-02-25 18:17:25 +03:00
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found := slices.Contains(servers, "http")
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2025-07-10 09:41:51 +03:00
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if !found {
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t.Error("http server not found in registry")
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}
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// Test creating HTTP server through registry
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2025-07-15 14:41:44 +03:00
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wrapper, err := registry.CreateServer("http", map[string]any{}, nil)
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2025-07-10 09:41:51 +03:00
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if err != nil {
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t.Fatalf("Failed to create HTTP server through registry: %v", err)
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}
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if wrapper == nil {
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t.Fatal("Expected wrapper to be non-nil")
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}
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if wrapper.GetServer() == nil {
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t.Fatal("Expected wrapped server to be non-nil")
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}
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}
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func TestExecuteHTTPFetch(t *testing.T) {
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// Create a test HTTP server
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testServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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switch r.URL.Path {
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case "/html":
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w.Header().Set("Content-Type", "text/html")
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w.Write([]byte(`<!DOCTYPE html>
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<html>
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<head><title>Test Page</title></head>
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<body>
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<h1>Hello World</h1>
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<p>This is a test paragraph.</p>
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</body>
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</html>`))
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case "/text":
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w.Header().Set("Content-Type", "text/plain")
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w.Write([]byte("This is plain text content"))
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case "/large":
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// Return content larger than 5MB
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w.Header().Set("Content-Type", "text/plain")
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largeContent := strings.Repeat("x", 6*1024*1024)
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w.Write([]byte(largeContent))
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case "/error":
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w.WriteHeader(http.StatusInternalServerError)
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default:
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w.WriteHeader(http.StatusNotFound)
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}
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}))
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defer testServer.Close()
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tests := []struct {
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name string
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params map[string]any
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expectError bool
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checkResult func(t *testing.T, result *mcp.CallToolResult)
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}{
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{
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name: "fetch HTML as HTML",
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params: map[string]any{
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"url": testServer.URL + "/html",
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"format": "html",
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},
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expectError: false,
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checkResult: func(t *testing.T, result *mcp.CallToolResult) {
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if textContent, ok := mcp.AsTextContent(result.Content[0]); ok {
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if !strings.Contains(textContent.Text, "<h1>Hello World</h1>") {
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t.Error("Expected HTML content to contain h1 tag")
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}
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} else {
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t.Error("Expected text content")
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}
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},
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},
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{
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name: "fetch HTML as markdown",
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params: map[string]any{
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"url": testServer.URL + "/html",
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"format": "markdown",
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},
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expectError: false,
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checkResult: func(t *testing.T, result *mcp.CallToolResult) {
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if textContent, ok := mcp.AsTextContent(result.Content[0]); ok {
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if !strings.Contains(textContent.Text, "# Hello World") {
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t.Error("Expected markdown content to contain heading")
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}
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} else {
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t.Error("Expected text content")
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}
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},
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},
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{
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name: "fetch HTML body only",
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params: map[string]any{
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"url": testServer.URL + "/html",
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"format": "html",
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"bodyOnly": true,
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},
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expectError: false,
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checkResult: func(t *testing.T, result *mcp.CallToolResult) {
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if textContent, ok := mcp.AsTextContent(result.Content[0]); ok {
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content := textContent.Text
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if strings.Contains(content, "<html>") || strings.Contains(content, "<head>") {
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t.Error("Expected body-only content to not contain html or head tags")
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}
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if !strings.Contains(content, "<h1>Hello World</h1>") {
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t.Error("Expected body-only content to contain h1 tag")
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}
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} else {
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t.Error("Expected text content")
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}
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},
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},
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{
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name: "fetch plain text as markdown",
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params: map[string]any{
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"url": testServer.URL + "/text",
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"format": "markdown",
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},
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expectError: false,
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checkResult: func(t *testing.T, result *mcp.CallToolResult) {
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if textContent, ok := mcp.AsTextContent(result.Content[0]); ok {
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if !strings.Contains(textContent.Text, "```") {
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t.Error("Expected plain text to be wrapped in code block for markdown")
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}
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} else {
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t.Error("Expected text content")
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}
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},
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},
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{
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name: "missing URL parameter",
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params: map[string]any{
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"format": "html",
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},
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expectError: true,
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},
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{
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name: "missing format parameter",
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params: map[string]any{
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"url": testServer.URL + "/html",
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},
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expectError: true,
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},
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{
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name: "invalid format",
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params: map[string]any{
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"url": testServer.URL + "/html",
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"format": "invalid",
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},
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expectError: true,
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},
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{
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name: "server error response",
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params: map[string]any{
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"url": testServer.URL + "/error",
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"format": "html",
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},
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expectError: true,
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},
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{
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name: "response too large",
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params: map[string]any{
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"url": testServer.URL + "/large",
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"format": "html",
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},
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expectError: true,
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},
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{
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name: "invalid URL",
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params: map[string]any{
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"url": "not-a-valid-url",
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"format": "html",
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},
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expectError: true,
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},
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{
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name: "with custom timeout",
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params: map[string]any{
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"url": testServer.URL + "/html",
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"format": "html",
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"timeout": 10,
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},
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expectError: false,
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checkResult: func(t *testing.T, result *mcp.CallToolResult) {
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if textContent, ok := mcp.AsTextContent(result.Content[0]); ok {
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if !strings.Contains(textContent.Text, "<h1>Hello World</h1>") {
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t.Error("Expected HTML content with custom timeout")
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}
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} else {
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t.Error("Expected text content")
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}
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},
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},
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}
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ctx := context.Background()
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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request := mcp.CallToolRequest{
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Params: mcp.CallToolParams{
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Name: "fetch",
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Arguments: tt.params,
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},
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}
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result, err := executeHTTPFetch(ctx, request)
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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if tt.expectError {
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if !result.IsError {
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t.Error("Expected error result but got success")
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}
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} else {
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if result.IsError {
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if textContent, ok := mcp.AsTextContent(result.Content[0]); ok {
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t.Errorf("Expected success but got error: %v", textContent.Text)
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} else {
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t.Error("Expected error to have text content")
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}
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} else if tt.checkResult != nil {
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tt.checkResult(t, result)
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}
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}
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})
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}
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}
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func TestExtractBodyContent(t *testing.T) {
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tests := []struct {
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name string
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html string
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expected string
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}{
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{
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name: "extract body content",
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html: `<!DOCTYPE html>
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<html>
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<head><title>Test</title></head>
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<body>
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<h1>Content</h1>
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<p>Paragraph</p>
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</body>
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</html>`,
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expected: "\n<h1>Content</h1>\n<p>Paragraph</p>\n\n",
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},
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{
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name: "no body tag",
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html: `<div>No body tag</div>`,
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expected: `<div>No body tag</div>`,
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},
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{
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name: "empty body",
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html: `<html><body></body></html>`,
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expected: "",
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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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result, err := extractBodyContent(tt.html)
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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if result != tt.expected {
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t.Errorf("Expected %q, got %q", tt.expected, result)
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}
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})
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}
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}
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