chore(quickstart): added token confidence and detected languages output to quickstart sample

Author: Shifat7

samples/snippets/quickstart_sample.py

@@ -105,6 +105,16 @@ def quickstart_sample(
             print(line.text)
         for token in page.tokens:
             print(token.text)
+            # Print token confidence
+            print(f"\tConfidence: {token.confidence:.4f}")
+            # Print detected languages
+            if token.detected_languages:
+                print("\tDetected Languages:")
+                for lang in token.detected_languages:
+                    confidence_str = f", confidence: {lang.confidence:.4f}" if hasattr(lang, "confidence") else ""
+                    print(f"\t\t- {lang.language_code}{confidence_str}")
+            else:
+                print("\tNo language detected")
 
         # Only supported with Form Parser processor
         # https://cloud.google.com/document-ai/docs/form-parser

samples/snippets/test_quickstart_sample.py

@@ -37,6 +37,8 @@ def test_quickstart_sample_gcs_bucket_prefix(capsys: pytest.CaptureFixture) -> N
     assert "Document structure in Cloud Storage" in out
     assert "Number of Pages: 1" in out
     assert "Number of Entities: 35" in out
+    assert "Confidence:" in out
+    assert "Detected Languages:" in out or "No language detected" in out
 
 
 def test_quickstart_sample_gcs_uri(capsys: pytest.CaptureFixture) -> None:
@@ -48,6 +50,8 @@ def test_quickstart_sample_gcs_uri(capsys: pytest.CaptureFixture) -> None:
 
     assert "Number of Pages: 1" in out
     assert "Number of Entities: 35" in out
+    assert "Confidence:" in out
+    assert "Detected Languages:" in out or "No language detected" in out
 
 
 def test_quickstart_sample_document_path(capsys: pytest.CaptureFixture) -> None:
@@ -58,6 +62,8 @@ def test_quickstart_sample_document_path(capsys: pytest.CaptureFixture) -> None:
     assert "Number of Pages: 1" in out
     assert "Number of Entities: 0" in out
     assert "Form Date" in out
+    assert "Confidence:" in out
+    assert "Detected Languages:" in out or "No language detected" in out
 
 
 def test_quickstart_sample_documentai_document(capsys: pytest.CaptureFixture) -> None:
@@ -72,6 +78,8 @@ def test_quickstart_sample_documentai_document(capsys: pytest.CaptureFixture) ->
     assert "Number of Pages: 1" in out
     assert "Number of Entities: 0" in out
     assert "Form Date" in out
+    assert "Confidence:" in out
+    assert "Detected Languages:" in out or "No language detected" in out
 
 
 def test_quickstart_sample_batch_process_metadata(