[trafficserver] branch 9.2.x updated: Add Au test for prefetch plugin in simple mode. (#8810)

[zw...@apache.org]

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zwoop pushed a commit to branch 9.2.x
in repository https://gitbox.apache.org/repos/asf/trafficserver.git


The following commit(s) were added to refs/heads/9.2.x by this push:
     new 013acf61f Add Au test for prefetch plugin in simple mode. (#8810)
013acf61f is described below

commit 013acf61fb7e540b5f836c552e1cd129b613e6b5
Author: Walt Karas <wk...@verizonmedia.com>
AuthorDate: Mon May 23 10:57:04 2022 -0500

    Add Au test for prefetch plugin in simple mode. (#8810)
    
    Co-authored-by: Walt Karas <wk...@yahooinc.com>
    (cherry picked from commit 464744d1e83e9849390154bfa40755714d902655)
---
 .../prefetch_simple/prefetch_simple.gold           |  4 ++
 .../prefetch_simple/prefetch_simple.test.py        | 81 ++++++++++++++++++++++
 2 files changed, 85 insertions(+)

diff --git a/tests/gold_tests/pluginTest/prefetch_simple/prefetch_simple.gold b/tests/gold_tests/pluginTest/prefetch_simple/prefetch_simple.gold
new file mode 100644
index 000000000..56638a70d
--- /dev/null
+++ b/tests/gold_tests/pluginTest/prefetch_simple/prefetch_simple.gold
@@ -0,0 +1,4 @@
+GET http://domain.in/texts/demo-1.txt HTTP/1.1
+GET http://domain.in/texts/demo-2.txt HTTP/1.1
+GET http://domain.in/texts/demo-3.txt HTTP/1.1
+GET http://domain.in/texts/demo-4.txt HTTP/1.1
diff --git a/tests/gold_tests/pluginTest/prefetch_simple/prefetch_simple.test.py b/tests/gold_tests/pluginTest/prefetch_simple/prefetch_simple.test.py
new file mode 100644
index 000000000..70b0246e0
--- /dev/null
+++ b/tests/gold_tests/pluginTest/prefetch_simple/prefetch_simple.test.py
@@ -0,0 +1,81 @@
+'''
+'''
+#  Licensed to the Apache Software Foundation (ASF) under one
+#  or more contributor license agreements.  See the NOTICE file
+#  distributed with this work for additional information
+#  regarding copyright ownership.  The ASF licenses this file
+#  to you under the Apache License, Version 2.0 (the
+#  "License"); you may not use this file except in compliance
+#  with the License.  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+Test.Summary = '''
+Test prefetch.so plugin (simple mode).
+'''
+
+server = Test.MakeOriginServer("server")
+for i in range(4):
+    request_header = {
+        "headers":
+            f"GET /texts/demo-{i + 1}.txt HTTP/1.1\r\n"
+            "Host: does.not.matter\r\n"  # But cannot be omitted.
+            "\r\n",
+            "timestamp": "1469733493.993",
+            "body": ""
+    }
+    response_header = {
+        "headers":
+            "HTTP/1.1 200 OK\r\n"
+            "Connection: close\r\n"
+            "Cache-control: max-age=85000\r\n"
+            "\r\n",
+        "timestamp": "1469733493.993",
+        "body": f"This is the body for demo-{i + 1}.txt.\n"
+    }
+    server.addResponse("sessionlog.json", request_header, response_header)
+
+dns = Test.MakeDNServer("dns")
+
+ts = Test.MakeATSProcess("ts", command="traffic_server 2> trace.log")
+ts.Disk.records_config.update({
+    'proxy.config.diags.debug.enabled': 1,
+    'proxy.config.diags.debug.tags': 'http|dns|prefetch',
+    'proxy.config.dns.nameservers': f"127.0.0.1:{dns.Variables.Port}",
+    'proxy.config.dns.resolv_conf': "NULL",
+})
+ts.Disk.remap_config.AddLine(
+    f"map http://domain.in http://127.0.0.1:{server.Variables.Port}" +
+    " @plugin=cachekey.so @pparam=--remove-all-params=true"
+    " @plugin=prefetch.so" +
+    " @pparam=--front=true" +
+    " @pparam=--fetch-policy=simple" +
+    r" @pparam=--fetch-path-pattern=/(.*-)(\d+)(.*)/$1{$2+1}$3/" +
+    " @pparam=--fetch-count=3"
+)
+
+tr = Test.AddTestRun()
+tr.Processes.Default.StartBefore(server)
+tr.Processes.Default.StartBefore(dns)
+tr.Processes.Default.StartBefore(ts)
+tr.Processes.Default.Command = 'echo start TS, HTTP server and DNS.'
+tr.Processes.Default.ReturnCode = 0
+
+tr = Test.AddTestRun()
+tr.Processes.Default.Command = (
+    f'curl --verbose --proxy 127.0.0.1:{ts.Variables.port} http://domain.in/texts/demo-1.txt'
+)
+tr.Processes.Default.ReturnCode = 0
+
+tr = Test.AddTestRun()
+tr.Processes.Default.Command = (
+    "grep 'GET http://domain.in' trace.log"
+)
+tr.Streams.stdout = "prefetch_simple.gold"
+tr.Processes.Default.ReturnCode = 0