Add vendor assessment agent

Signed-off-by: Aurélien Sibiril <81782+aureliensibiril@users.noreply.github.com>

pkg/agent/tools/browser/helpers_test.go

@@ -0,0 +1,92 @@
+// Copyright (c) 2026 Probo Inc <hello@getprobo.com>.
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+package browser
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestCheckPDF(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name      string
+		url       string
+		wantError bool
+	}{
+		{
+			name:      "lowercase .pdf returns error",
+			url:       "https://example.com/document.pdf",
+			wantError: true,
+		},
+		{
+			name:      "uppercase .PDF returns error",
+			url:       "https://example.com/document.PDF",
+			wantError: true,
+		},
+		{
+			name:      "mixed case .Pdf returns error",
+			url:       "https://example.com/document.Pdf",
+			wantError: true,
+		},
+		{
+			name:      "normal URL returns nil",
+			url:       "https://example.com/page",
+			wantError: false,
+		},
+		{
+			name:      "URL with .pdf in path but not at end returns nil",
+			url:       "https://example.com/pdf-viewer/document",
+			wantError: false,
+		},
+		{
+			name:      "URL with .pdf in query but not at end returns nil",
+			url:       "https://example.com/view?file=report.pdf&page=1",
+			wantError: false,
+		},
+		{
+			name:      "html URL returns nil",
+			url:       "https://example.com/page.html",
+			wantError: false,
+		},
+		{
+			name:      "URL ending with .pdf and path segments",
+			url:       "https://example.com/files/reports/annual.pdf",
+			wantError: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(
+			tt.name,
+			func(t *testing.T) {
+				t.Parallel()
+
+				result := checkPDF(tt.url)
+
+				if tt.wantError {
+					require.NotNil(t, result)
+					assert.True(t, result.IsError)
+					assert.Contains(t, result.Content, "PDF files are not supported")
+				} else {
+					assert.Nil(t, result)
+				}
+			},
+		)
+	}
+}