'''
Test the negative revalidating feature.
'''
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Test.Summary = '''
Test the negative revalidating feature.
'''

#
# Verify disabled negative_revalidating behavior.
#
ts = Test.MakeATSProcess("ts-negative-revalidating-disabled")
ts.Disk.records_config.update(
    {
        'proxy.config.diags.debug.enabled': 1,
        'proxy.config.diags.debug.tags': 'http|cache',
        'proxy.config.http.insert_age_in_response': 0,
        'proxy.config.http.negative_revalidating_enabled': 0,
        'proxy.config.http.cache.max_stale_age': 6
    })
tr = Test.AddTestRun("Verify disabled negative revalidating behavior.")
replay_file = "replay/negative-revalidating-disabled.replay.yaml"
server = tr.AddVerifierServerProcess("server1", replay_file)
server_port = server.Variables.http_port
tr.AddVerifierClientProcess("client1", replay_file, http_ports=[ts.Variables.port])
ts.Disk.remap_config.AddLine('map / http://127.0.0.1:{0}'.format(server_port))
tr.Processes.Default.StartBefore(ts)
tr.StillRunningAfter = ts

#
# Verify enabled negative_revalidating behavior.
#
ts = Test.MakeATSProcess("ts-negative-revalidating-enabled")
ts.Disk.records_config.update(
    {
        'proxy.config.diags.debug.enabled': 1,
        'proxy.config.diags.debug.tags': 'http|cache',
        'proxy.config.http.insert_age_in_response': 0,

        # Negative revalidating is on by default. Verify this by leaving out the
        # following line and expect negative_revalidating to be enabled.
        # 'proxy.config.http.negative_revalidating_enabled': 1,
        'proxy.config.http.cache.max_stale_age': 6
    })
tr = Test.AddTestRun("Verify negative revalidating behavior.")
replay_file = "replay/negative-revalidating-enabled.replay.yaml"
server = tr.AddVerifierServerProcess("server2", replay_file)
server_port = server.Variables.http_port
tr.AddVerifierClientProcess("client2", replay_file, http_ports=[ts.Variables.port])
ts.Disk.remap_config.AddLine('map / http://127.0.0.1:{0}'.format(server_port))
tr.Processes.Default.StartBefore(ts)
tr.StillRunningAfter = ts
