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\font_sc false
\font_osf false
\font_sf_scale 100
\font_tt_scale 100
\graphics default
\default_output_format default
\output_sync 0
\bibtex_command default
\index_command default
\paperfontsize default
\spacing single
\use_hyperref false
\papersize default
\use_geometry false
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\font_sc false
\font_osf false
\font_sf_scale 100
\font_tt_scale 100
\graphics default
\default_output_format default
\output_sync 1
\bibtex_command default
\index_command default
\paperfontsize default
\spacing single
\use_hyperref false
\papersize default
\use_geometry false
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LatexCommand tableofcontents
\end_inset
\end_layout
\begin_layout Section
About Megatest
\end_layout
\begin_layout Subsection
Megatest design philosophy
\end_layout
\begin_layout Standard
Megatest is intended to provide the minimum needed resources to make writing
a suite of tests for software, design engineering or process control (via
owlfs for example) without being specialized for any specific problem space.
Megatest in of itself does not know what constitutes a PASS or FAIL of
a test.
In most cases megatest is best used in conjunction with logpro or a similar
tool to parse, analyze and decide on the test outcome.
A call to megatest can then be made to record the result.
\end_layout
\begin_layout Subsection
Megatest architecture
\end_layout
\begin_layout Standard
All data to specify the tests and configure the system is stored in plain
text files.
All system state is stored in an sqlite3 database.
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LatexCommand tableofcontents
\end_inset
\end_layout
\begin_layout Chapter
About Megatest
\end_layout
\begin_layout Section
Megatest design philosophy
\end_layout
\begin_layout Standard
Megatest is intended to provide the minimum needed resources to make writing
a suite of tests for software, design engineering or process control (via
owlfs for example) without being specialized for any specific problem space.
Megatest in of itself does not know what constitutes a PASS or FAIL of
a test.
In most cases megatest is best used in conjunction with logpro or a similar
tool to parse, analyze and decide on the test outcome.
A call to megatest can then be made to record the result.
\end_layout
\begin_layout Section
Megatest architecture
\end_layout
\begin_layout Standard
All data to specify the tests and configure the system is stored in plain
text files.
All system state is stored in an sqlite3 database.
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call home
\begin_inset Quotes erd
\end_inset
to your master sqlite3 database.
\end_layout
\begin_layout Section
Installation
\end_layout
\begin_layout Subsection
Compilation
\end_layout
\begin_layout Subsubsection
Dependencies
\end_layout
\begin_layout Standard
Chicken scheme and a number of eggs are required for building megatest.
See the file utils/installall.sh for an automated way to install the dependencie
s on Linux.
\end_layout
\begin_layout Subsubsection
Build and install
\end_layout
\begin_layout Standard
Run
\begin_inset Quotes eld
\end_inset
make test
\begin_inset Quotes erd
\end_inset
to create the megatest executable.
You may wish to copy the executable to a centrally accessible location.
\end_layout
\begin_layout Subsection
Setup
\end_layout
\begin_layout Subsubsection
Create megatest.config
\end_layout
\begin_layout Standard
Create the file megatest.config using the megatest.config template from the
tests directory.
At a minimum you need the following:
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call home
\begin_inset Quotes erd
\end_inset
to your master sqlite3 database.
\end_layout
\begin_layout Chapter
Installation
\end_layout
\begin_layout Section
Compilation
\end_layout
\begin_layout Subsection
Dependencies
\end_layout
\begin_layout Standard
Chicken scheme and a number of eggs are required for building megatest.
See the file utils/installall.sh for an automated way to install the dependencie
s on Linux.
\end_layout
\begin_layout Subsection
Build and install
\end_layout
\begin_layout Standard
Run
\begin_inset Quotes eld
\end_inset
make test
\begin_inset Quotes erd
\end_inset
to create the megatest executable.
You may wish to copy the executable to a centrally accessible location.
\end_layout
\begin_layout Section
Setup
\end_layout
\begin_layout Subsection
Create megatest.config
\end_layout
\begin_layout Standard
Create the file megatest.config using the megatest.config template from the
tests directory.
At a minimum you need the following:
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[disks]
\end_layout
\begin_layout Code
1 /tmp
\end_layout
\begin_layout Subsubsection
Create runconfigs.config
\end_layout
\begin_layout Standard
This file is used to set environment variables that are run specific.
You can simply create an empty file to start.
\end_layout
\begin_layout Subsubsection
Create the tests directory and your first test
\end_layout
\begin_layout Standard
The structure should look like this:
\end_layout
\begin_layout Code
../tests
\end_layout
\begin_layout Code
├── megatest.config
\end_layout
\begin_layout Code
├── runconfigs.config
\end_layout
\begin_layout Code
└── tests
\end_layout
\begin_layout Code
└── mytest
\end_layout
\begin_layout Code
├── main.sh
\end_layout
\begin_layout Code
└── testconfig
\end_layout
\begin_layout Subsubsection
Create the testconfig file for your test
\end_layout
\begin_layout Code
[setup]
\end_layout
\begin_layout Code
runscript main.sh
\end_layout
\begin_layout Subsubsection
Create your test running script, main.sh
\end_layout
\begin_layout Code
#!/bin/bash
\end_layout
\begin_layout Code
\end_layout
\begin_layout Code
megatest -runstep mystep1 "sleep 20;echo Done" -m "mystep1 is done"
\end_layout
\begin_layout Code
megatest -test-status :state COMPLETED :status PASS -m "This is a test level
comment"
\begin_layout Subsubsection
Run megatest and watch your run progress
\end_layout
\begin_layout Code
megatest :field1 abc :field2 def :runname 2011week08.4a -runall
\end_layout
\begin_layout Code
watch megatest -list-runs %
\end_layout
\begin_layout Section
Reference
\end_layout
\begin_layout Subsection
Configuration files
\end_layout
\begin_layout Subsubsection
Sections
\end_layout
\begin_layout Standard
[section name]
\end_layout
\begin_layout Standard
This creates a section named
\begin_inset Quotes eld
\end_inset
section name
\begin_inset Quotes erd
\end_inset
\end_layout
\begin_layout Subsubsection
Variables
\end_layout
\begin_layout Standard
VARX has this value
\end_layout
\begin_layout Standard
The variable
\begin_inset Quotes eld
\end_inset
VARX
\begin_inset Quotes erd
\end_inset
will have the value
\begin_inset Quotes eld
\end_inset
has this value
\begin_inset Quotes erd
\end_inset
\end_layout
\begin_layout Subsubsection
Includes
\end_layout
\begin_layout Standard
[include filename]
\end_layout
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[disks]
\end_layout
\begin_layout Code
1 /tmp
\end_layout
\begin_layout Subsection
Create runconfigs.config
\end_layout
\begin_layout Standard
This file is used to set environment variables that are run specific.
You can simply create an empty file to start.
\begin_inset listings
inline false
status open
\begin_layout Plain Layout
# runconfigs.config
\end_layout
\begin_layout Plain Layout
\end_layout
\end_inset
\end_layout
\begin_layout Subsection
Create the tests directory and your first test
\end_layout
\begin_layout Standard
The structure should look like this:
\end_layout
\begin_layout Standard
\begin_inset listings
inline false
status open
\begin_layout Plain Layout
../tests
\end_layout
\begin_layout Plain Layout
├── megatest.config
\end_layout
\begin_layout Plain Layout
├── runconfigs.config
\end_layout
\begin_layout Plain Layout
└── tests
\end_layout
\begin_layout Plain Layout
└── mytest
\end_layout
\begin_layout Plain Layout
├── main.sh
\end_layout
\begin_layout Plain Layout
└── testconfig
\end_layout
\end_inset
\end_layout
\begin_layout Subsection
Create the testconfig file for your test
\end_layout
\begin_layout Standard
\begin_inset listings
inline false
status open
\begin_layout Plain Layout
[setup]
\end_layout
\begin_layout Plain Layout
runscript main.sh
\end_layout
\end_inset
\end_layout
\begin_layout Subsection
Create your test running script, main.sh
\end_layout
\begin_layout Standard
\begin_inset listings
inline false
status open
\begin_layout Plain Layout
#!/bin/bash
\end_layout
\begin_layout Plain Layout
\end_layout
\begin_layout Plain Layout
megatest -runstep mystep1 "sleep 20;echo Done" -m "mystep1 is done"
\end_layout
\begin_layout Plain Layout
\end_layout
\begin_layout Plain Layout
megatest -test-status :state COMPLETED :status PASS -m "This is a comment"
\end_layout
\end_inset
\end_layout
\begin_layout Subsection
Run megatest and watch your run progress
\end_layout
\begin_layout Standard
\begin_inset listings
inline false
status open
\begin_layout Plain Layout
megatest :field1 abc :field2 def :runname 2011week08.4a -runall
\end_layout
\begin_layout Plain Layout
\end_layout
\begin_layout Plain Layout
watch megatest -list-runs %
\end_layout
\begin_layout Plain Layout
\end_layout
\begin_layout Plain Layout
# OR use the dashboard
\end_layout
\begin_layout Plain Layout
\end_layout
\begin_layout Plain Layout
dashboard &
\end_layout
\end_inset
\end_layout
\begin_layout Code
\end_layout
\begin_layout Chapter
How to Write Tests
\end_layout
\begin_layout Section
A Simple Test with one Step
\end_layout
\begin_layout Subsection
Create your test directory.
The directory name will be the name of the test
\end_layout
\begin_layout Standard
\begin_inset listings
inline false
status open
\begin_layout Plain Layout
mkdir simpletest
\end_layout
\begin_layout Plain Layout
cd simpletest
\end_layout
\end_inset
\end_layout
\begin_layout Subsection
Create your testconfig file.
This file contains various specifications for your test.
For our example the test author has chosen to write the test using csh
scripting.
\end_layout
\begin_layout Standard
\begin_inset listings
inline false
status open
\begin_layout Plain Layout
# testconfig
\end_layout
\begin_layout Plain Layout
\end_layout
\begin_layout Plain Layout
[setup]
\end_layout
\begin_layout Plain Layout
runscript main.csh
\end_layout
\end_inset
\end_layout
\begin_layout Subsection
Create your main.csh script
\end_layout
\begin_layout Standard
\begin_inset listings
inline false
status open
\begin_layout Plain Layout
#!/bin/tcsh -x
\end_layout
\begin_layout Plain Layout
\end_layout
\begin_layout Plain Layout
# run the cpu1 simulation.
\end_layout
\begin_layout Plain Layout
# The step name is "run_simulation"
\end_layout
\begin_layout Plain Layout
# The commandline being run for this step is "runsim cpu1"
\end_layout
\begin_layout Plain Layout
# The logpro file to validate the output from the run is "runsim.logpro"
\end_layout
\begin_layout Plain Layout
\end_layout
\begin_layout Plain Layout
$MEGATEST -runstep run_simulation -logpro runsim.logpro "runsim cpu1"
\end_layout
\end_inset
\end_layout
\begin_layout Standard
You can now run megatest and the created test directory will contain the
new files
\begin_inset Quotes eld
\end_inset
run_simulation.html
\begin_inset Quotes erd
\end_inset
and
\begin_inset Quotes eld
\end_inset
run_simulation.log
\begin_inset Quotes erd
\end_inset
.
If you are using the dashboard you can click on the run and then push the
\begin_inset Quotes eld
\end_inset
View log
\begin_inset Quotes erd
\end_inset
button to view the log file in firefox.
\end_layout
\begin_layout Section
Simple Test with Multiple Steps
\end_layout
\begin_layout Standard
To run multiple steps simply add them to the main.csh file.
Here we add a step to test
\begin_inset Quotes eld
\end_inset
cpu2
\begin_inset Quotes erd
\end_inset
.
The second step that tests cpu2 will only run after the step that tested
\begin_inset Quotes eld
\end_inset
cpu1
\begin_inset Quotes erd
\end_inset
completes.
\end_layout
\begin_layout Standard
\begin_inset listings
inline false
status open
\begin_layout Plain Layout
#!/bin/tcsh -x
\end_layout
\begin_layout Plain Layout
\end_layout
\begin_layout Plain Layout
# run the cpu1 simulation.
\end_layout
\begin_layout Plain Layout
# The step name is "run_simulation"
\end_layout
\begin_layout Plain Layout
# The commandline being run for this step is "runsim cpu1"
\end_layout
\begin_layout Plain Layout
# The logpro file to validate the output from the run is "runsim.logpro"
\end_layout
\begin_layout Plain Layout
\end_layout
\begin_layout Plain Layout
$MEGATEST -runstep run_simulation_cpu1 -logpro runsim.logpro "runsim cpu1"
\end_layout
\begin_layout Plain Layout
$MEGATEST -runstep run_simulation_cpu2 -logpro runsim.logpro "runsim cpu2"
\end_layout
\end_inset
\end_layout
\begin_layout Section
Simple Test, Multiple Steps, Some in Parallel
\end_layout
\begin_layout Subsection
The Makefile
\end_layout
\begin_layout Standard
A good way to run steps in parallel within a single test, especially when
there are following steps, is to use the Unix Make utility.
Writing Makefiles is beyond the scope of this document but here is a minimal
example that will run
\begin_inset Quotes eld
\end_inset
runsim cpu1
\begin_inset Quotes erd
\end_inset
and
\begin_inset Quotes eld
\end_inset
runsim cpu2
\begin_inset Quotes erd
\end_inset
in parallel.
For more information on make try
\begin_inset Quotes eld
\end_inset
info make
\begin_inset Quotes erd
\end_inset
at the Linux command prompt.
\end_layout
\begin_layout Standard
\begin_inset listings
inline false
status open
\begin_layout Plain Layout
# Example Makefile to run two steps in parallel
\end_layout
\begin_layout Plain Layout
\end_layout
\begin_layout Plain Layout
RTLDIR=/path/to/rtl
\end_layout
\begin_layout Plain Layout
CPUS = cpu1 cpu2
\end_layout
\begin_layout Plain Layout
\end_layout
\begin_layout Plain Layout
run_simulation_$(CPUS).html : $(RTLDIR)/$(CPUS)
\end_layout
\begin_layout Plain Layout
$(MEGATEST) -runstep run_simulation_$(CPUS) -logpro runsim.logpro "runsim
$(CPUS)
\end_layout
\end_inset
\end_layout
\begin_layout Subsection
The main.csh file
\end_layout
\begin_layout Standard
\begin_inset listings
inline false
status open
\begin_layout Plain Layout
#!/bin/tcsh -x
\end_layout
\begin_layout Plain Layout
\end_layout
\begin_layout Plain Layout
# run the cpu1 and cpu2 simulations in parallel.
\end_layout
\begin_layout Plain Layout
# The -j parameter tells make how many jobs it may run in parallel
\end_layout
\begin_layout Plain Layout
\end_layout
\begin_layout Plain Layout
make -j 2
\end_layout
\begin_layout Plain Layout
\end_layout
\end_inset
\end_layout
\begin_layout Section
Simple Test with Iteration
\end_layout
\begin_layout Standard
Since no jobs run after the cpu1 and cpu2 simulations inside the test there
it is possible to run this test in iterated mode.
\end_layout
\begin_layout Subsection
Update you testconfig file for iteration
\end_layout
\begin_layout Standard
\begin_inset listings
inline false
status open
\begin_layout Plain Layout
[setup]
\end_layout
\begin_layout Plain Layout
runscript main.csh
\end_layout
\begin_layout Plain Layout
\end_layout
\begin_layout Plain Layout
[items]
\end_layout
\begin_layout Plain Layout
CPU cpu1 cpu2
\end_layout
\end_inset
\end_layout
\begin_layout Subsection
Rewrite your main.csh for iteration
\end_layout
\begin_layout Standard
\begin_inset listings
inline false
status open
\begin_layout Plain Layout
#!/bin/tcsh -x
\end_layout
\begin_layout Plain Layout
\end_layout
\begin_layout Plain Layout
# run the cpu simulation but now use the environment variable $CPU
\end_layout
\begin_layout Plain Layout
# to select what cpu to run the simulation against
\end_layout
\begin_layout Plain Layout
\end_layout
\begin_layout Plain Layout
$MEGATEST -runstep run_simulation -logpro runsim.logpro "runsim $CPU"
\end_layout
\end_inset
\end_layout
\begin_layout Section
Tests with Inter-test dependencies
\end_layout
\begin_layout Standard
Sometimes a test depends on the output from a previous test or it may not
make sense to run a test is another test does not complete with status
\begin_inset Quotes eld
\end_inset
PASS
\begin_inset Quotes erd
\end_inset
.
In either of these scenarios you can use the
\begin_inset Quotes eld
\end_inset
waiton
\begin_inset Quotes erd
\end_inset
keyword in your testconfig file to indicate that this test must wait on
one or more tests to complete before being launched.
In this example there is no point in running the
\begin_inset Quotes eld
\end_inset
system
\begin_inset Quotes erd
\end_inset
test if the
\begin_inset Quotes eld
\end_inset
cpu
\begin_inset Quotes erd
\end_inset
and
\begin_inset Quotes eld
\end_inset
mem
\begin_inset Quotes erd
\end_inset
tests either do not complete or complete but with status
\begin_inset Quotes eld
\end_inset
FAIL
\begin_inset Quotes erd
\end_inset
.
\end_layout
\begin_layout Standard
\begin_inset listings
inline false
status open
\begin_layout Plain Layout
# testconfig for the "system" test
\end_layout
\begin_layout Plain Layout
[setup]
\end_layout
\begin_layout Plain Layout
runscript main.csh
\end_layout
\begin_layout Plain Layout
waiton cpu mem
\end_layout
\end_inset
\end_layout
\begin_layout Chapter
Reference
\end_layout
\begin_layout Section
Configuration file Syntax
\end_layout
\begin_layout Subsection
Sections
\end_layout
\begin_layout Standard
[section name]
\end_layout
\begin_layout Quotation
This creates a section named
\begin_inset Quotes eld
\end_inset
section name
\begin_inset Quotes erd
\end_inset
\end_layout
\begin_layout Subsection
Variables
\end_layout
\begin_layout Standard
VARX has this value
\end_layout
\begin_layout Quotation
The variable
\begin_inset Quotes eld
\end_inset
VARX
\begin_inset Quotes erd
\end_inset
will have the value
\begin_inset Quotes eld
\end_inset
has this value
\begin_inset Quotes erd
\end_inset
\end_layout
\begin_layout Subsection
Includes
\end_layout
\begin_layout Standard
[include filename]
\end_layout
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include
\begin_inset Quotes eld
\end_inset
(with the whitespace).
\end_layout
\begin_layout Subsubsection
Setting a variable by running a command
\end_layout
\begin_layout Standard
VARNAME [system ls /tmp]
\end_layout
\begin_layout Standard
The variable
\begin_inset Quotes eld
\end_inset
VARNAME
\begin_inset Quotes erd
\end_inset
will get a value created by the Unix command
\begin_inset Quotes eld
\end_inset
ls /tmp
\begin_inset Quotes erd
\end_inset
.
All lines of output from the command will be joined with a space.
\end_layout
\begin_layout Subsubsection
Notes
\end_layout
\begin_layout Itemize
Some variables are infered as lists.
Each token on the line separated by whitespace will be member of the list.
\end_layout
\begin_layout Itemize
Comments (lines starting with #) and blank lines are ignored.
\end_layout
\begin_layout Subsection
Environment variables
\end_layout
\begin_layout Standard
\begin_inset Tabular
<lyxtabular version="3" rows="9" columns="3">
<features tabularvalignment="middle">
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include
\begin_inset Quotes eld
\end_inset
(with the whitespace).
\end_layout
\begin_layout Subsection
Setting a variable by running a command
\end_layout
\begin_layout Standard
VARNAME [system ls /tmp]
\end_layout
\begin_layout Quotation
The variable
\begin_inset Quotes eld
\end_inset
VARNAME
\begin_inset Quotes erd
\end_inset
will get a value created by the Unix command
\begin_inset Quotes eld
\end_inset
ls /tmp
\begin_inset Quotes erd
\end_inset
.
All lines of output from the command will be joined with a space.
\end_layout
\begin_layout Subsection
Notes
\end_layout
\begin_layout Itemize
Some variables are infered as lists.
Each token on the line separated by whitespace will be member of the list.
\end_layout
\begin_layout Itemize
Comments (lines starting with #) and blank lines are ignored.
\end_layout
\begin_layout Section
Environment variables
\end_layout
\begin_layout Standard
\begin_inset Tabular
<lyxtabular version="3" rows="9" columns="3">
<features tabularvalignment="middle">
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</lyxtabular>
\end_inset
\end_layout
\begin_layout Subsection
Configuration files
\end_layout
\begin_layout Subsubsection
megatest.config
\end_layout
\begin_layout Standard
\begin_inset Tabular
<lyxtabular version="3" rows="9" columns="5">
<features tabularvalignment="middle">
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</lyxtabular>
\end_inset
\end_layout
\begin_layout Section
Configuration files
\end_layout
\begin_layout Subsection
megatest.config
\end_layout
\begin_layout Standard
\begin_inset Tabular
<lyxtabular version="3" rows="9" columns="5">
<features tabularvalignment="middle">
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</lyxtabular>
\end_inset
\end_layout
\begin_layout Subsubsection
runconfigs.config file
\end_layout
\begin_layout Standard
\begin_inset Tabular
<lyxtabular version="3" rows="3" columns="5">
<features tabularvalignment="middle">
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</lyxtabular>
\end_inset
\end_layout
\begin_layout Subsection
runconfigs.config file
\end_layout
\begin_layout Standard
\begin_inset Tabular
<lyxtabular version="3" rows="3" columns="5">
<features tabularvalignment="middle">
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ENCRYPTION true
\end_layout
\begin_layout Code
TESTPATH /nfs/testing/megacorp_runs
\end_layout
\begin_layout Subsection
Writing tests
\end_layout
\begin_layout Subsubsection
testconfig file
\end_layout
\begin_layout Standard
\begin_inset Tabular
<lyxtabular version="3" rows="4" columns="5">
<features tabularvalignment="middle">
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ENCRYPTION true
\end_layout
\begin_layout Code
TESTPATH /nfs/testing/megacorp_runs
\end_layout
\begin_layout Section
Writing tests
\end_layout
\begin_layout Subsection
testconfig file
\end_layout
\begin_layout Standard
\begin_inset Tabular
<lyxtabular version="3" rows="4" columns="5">
<features tabularvalignment="middle">
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