ppp-tests.html
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><DIV
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><H1
><A
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></A
>Chapter 58. Testing</H1
><DIV
CLASS="TOC"
><DL
><DT
><B
>Table of Contents</B
></DT
><DT
><A
HREF="ppp-tests.html#AEN13800"
>Test Programs</A
></DT
><DT
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>Test Script</A
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CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="AEN13800"
>Test Programs</A
></H1
><P
>There are a number of test programs supplied with the PPP
subsystem. By default all of these tests use the device configured by
<TT
CLASS="LITERAL"
>CYGPKG_PPP_TEST_DEVICE</TT
> as the PPP link device.</P
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
><TT
CLASS="LITERAL"
>ppp_up</TT
></DT
><DD
><P
>This test just brings up the PPP link on
<TT
CLASS="LITERAL"
>CYGPKG_PPP_TEST_DEVICE</TT
> and waits until the remote end brings
it back down. No modem lines are used and the program expects a PPP
connection to be waiting on the other end of the line. Typically the
remote end will test the link using <B
CLASS="COMMAND"
>ping</B
> or access
the HTTP system monitor if it is present.</P
><P
>If <TT
CLASS="LITERAL"
>CYGPKG_PPP_TESTS_AUTOMATE</TT
> is set, then this test
attempts to bring PPP up at each of the baud rates specified in
<TT
CLASS="LITERAL"
>CYGDAT_PPP_TEST_BAUD_RATES</TT
>. If it is not set then
it will just bring the connection up at 115200 baud.</P
></DD
><DT
><TT
CLASS="LITERAL"
>ppp_updown</TT
></DT
><DD
><P
>This test brings the PPP link up on
<TT
CLASS="LITERAL"
>CYGPKG_PPP_TEST_DEVICE</TT
> and attempts to
<B
CLASS="COMMAND"
>ping</B
> the remote end of the link. Once the pings
have finished, the link is then brought down.</P
><P
>If <TT
CLASS="LITERAL"
>CYGPKG_PPP_TESTS_AUTOMATE</TT
> is set, then this test
attempts to bring PPP up at each of the baud rates specified in
<TT
CLASS="LITERAL"
>CYGDAT_PPP_TEST_BAUD_RATES</TT
>. If it is not set then
it will just bring the connection up at 115200 baud.</P
></DD
><DT
><TT
CLASS="LITERAL"
>chat</TT
></DT
><DD
><P
>This test does not bring the PPP link up but simply executes a chat
script. It expects a server at the remote end of the link to supply
the correct responses.</P
><P
>This program expects the <B
CLASS="COMMAND"
>test_server.sh</B
> script to
be running on the remote end and attempts several different tests,
expecting a variety of different responses for each.</P
></DD
><DT
><TT
CLASS="LITERAL"
>ppp_auth</TT
></DT
><DD
><P
>This test attempts to bring up the PPP link under a variety of
different authentication conditions. This includes checking that both
PAP and CHAP authentication work, and that the connection is rejected
when the incorrect authentication protcol or secrets are used. </P
><P
>This test expects the <B
CLASS="COMMAND"
>test_server.sh</B
> script to be
running on the remote end. For this test to work the <TT
CLASS="FILENAME"
>/etc/ppp/pap-secrets</TT
> file on the remote
end should contain the following two lines:</P
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
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><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>eCos * secret *
eCosPAP * secretPAP *</PRE
></TD
></TR
></TABLE
><P
>The <TT
CLASS="FILENAME"
>/etc/ppp/chap-secrets</TT
> file should contain:</P
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>eCos * secret *
eCosCHAP * secretCHAP *</PRE
></TD
></TR
></TABLE
></DD
><DT
><TT
CLASS="LITERAL"
>isp</TT
></DT
><DD
><P
>This test expects the serial test device to be connected to a Hayes
compatible modem. The test dials the telephone number given in
<TT
CLASS="LITERAL"
>CYGPKG_PPP_DEFAULT_DIALUP_NUMBER</TT
> and attempts to
log on to an ISP using the user name and password supplied in
<TT
CLASS="LITERAL"
>CYGPKG_PPP_AUTH_DEFAULT_USER</TT
> and
<TT
CLASS="LITERAL"
>CYGPKG_PPP_AUTH_DEFAULT_PASSWD</TT
>. Once the PPP
connection has been made, the program then attempts to ping a number
of well known addresses.</P
><P
>Since this test is designed to interact with an ISP, it does not run
within the automated testing system.</P
></DD
><DT
><TT
CLASS="LITERAL"
>tcp_echo</TT
></DT
><DD
><P
>This is a version of the standard network <B
CLASS="COMMAND"
>tcp_echo</B
>
test that brings up the PPP connection before waiting for the
<B
CLASS="COMMAND"
>tcp_sink</B
> and <B
CLASS="COMMAND"
>tcp_source</B
> programs
to connect. It is expected that at least one of these programs will
connect via the PPP link. However, if another network interface is
present, such as an ethernet device, then one may connect via that
interface.</P
><P
>While this test is supported by the <B
CLASS="COMMAND"
>test_server.sh</B
>
script, it runs for such a long time that it should not normally be
used during automated testing.</P
></DD
><DT
><TT
CLASS="LITERAL"
>nc_test_slave</TT
></DT
><DD
><P
>This is a version of the standard network
<B
CLASS="COMMAND"
>nc_test_slave</B
> test that brings up the PPP
connection before waiting for the <B
CLASS="COMMAND"
>nc_test_master</B
>
program to connect. It is expected that the master will connect via
the PPP link.</P
><P
>While this test is supported by the <B
CLASS="COMMAND"
>test_server.sh</B
>
script, it runs for such a long time that it should not normally be
used during automated testing.</P
></DD
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