From a02eddec385ab95d8f746ad570a670586e2ad87c Mon Sep 17 00:00:00 2001
From: Reuben Morais <reuben.morais@gmail.com>
Date: Wed, 6 May 2020 12:04:17 +0200
Subject: [PATCH] Add JS test for streaming + metadata

---
 native_client/javascript/client.ts |  7 ++++++-
 taskcluster/tc-asserts.sh          | 13 +++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/native_client/javascript/client.ts b/native_client/javascript/client.ts
index ecf00a95..d607060e 100644
--- a/native_client/javascript/client.ts
+++ b/native_client/javascript/client.ts
@@ -134,6 +134,11 @@ if (!args['stream']) {
     stream.feedAudioContent(chunk);
   });
   conversionStream.on('end', () => {
-    console.log(stream.finishStream());
+    if (args['extended']) {
+      let metadata = stream.finishStreamWithMetadata();
+      console.log(candidateTranscriptToString(metadata.transcripts[0]));
+    } else {
+      console.log(stream.finishStream());
+    }
   });
 }
diff --git a/taskcluster/tc-asserts.sh b/taskcluster/tc-asserts.sh
index 62f1e8ff..a56a4c49 100755
--- a/taskcluster/tc-asserts.sh
+++ b/taskcluster/tc-asserts.sh
@@ -519,6 +519,12 @@ run_js_streaming_inference_tests()
   status=$?
   set -e
   assert_correct_ldc93s1_lm "${phrase_pbmodel_withlm}" "$status"
+
+  set +e
+  phrase_pbmodel_withlm=$(deepspeech --model ${TASKCLUSTER_TMP_DIR}/${model_name_mmap} --scorer ${TASKCLUSTER_TMP_DIR}/kenlm.scorer --audio ${TASKCLUSTER_TMP_DIR}/${ldc93s1_sample_filename} --stream --extended 2>${TASKCLUSTER_TMP_DIR}/stderr | tail -n 1)
+  status=$?
+  set -e
+  assert_correct_ldc93s1_lm "${phrase_pbmodel_withlm}" "$status"
 }
 
 run_js_streaming_prod_inference_tests()
@@ -529,4 +535,11 @@ run_js_streaming_prod_inference_tests()
   status=$?
   set -e
   assert_correct_ldc93s1_prodmodel "${phrase_pbmodel_withlm}" "$status" "${_bitrate}"
+
+  local _bitrate=$1
+  set +e
+  phrase_pbmodel_withlm=$(deepspeech --model ${TASKCLUSTER_TMP_DIR}/${model_name_mmap} --scorer ${TASKCLUSTER_TMP_DIR}/kenlm.scorer --audio ${TASKCLUSTER_TMP_DIR}/${ldc93s1_sample_filename} --stream --extended 2>${TASKCLUSTER_TMP_DIR}/stderr | tail -n 1)
+  status=$?
+  set -e
+  assert_correct_ldc93s1_prodmodel "${phrase_pbmodel_withlm}" "$status" "${_bitrate}"
 }