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authorDaniel Baumann <daniel.baumann@progress-linux.org>2021-07-02 20:40:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2021-07-02 20:40:30 +0000
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Adding upstream version 1.12.upstream/1.12
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+nvmetests
+=========
+
+ This contains NVMe unit tests framework. The purpose of this framework
+ to use nvme cli and test various supported commands and scenarios for
+ NVMe device.
+
+ In current implementation this framework uses nvme cli to
+ interact with underlying controller/namespace.
+
+1. Common Package Dependencies
+------------------------------
+
+ 1. Python(>= 2.7.5 or >= 3.3)
+ 2. nose(http://nose.readthedocs.io/en/latest/)
+ 3. nose2(Installation guide http://nose2.readthedocs.io/)
+ 4. pep8(https://pypi.python.org/pypi/setuptools-pep8)
+ 5. flake8(https://pypi.python.org/pypi/flake8)
+ 6. pylint(https://www.pylint.org/)
+ 7. Epydoc(http://epydoc.sourceforge.net/)
+ 8. nvme-cli(https://github.com/linux-nvme/nvme-cli.git)
+
+ Python package management system pip can be used to install most of the
+ listed packages(https://pip.pypa.io/en/stable/installing/) :-
+ $ pip install nose nose2 pep8 flake8 pylint epydoc
+
+2. Overview
+-----------
+
+ This framework follows simple class hierarchy. Each test file contains
+ one test. Each test is direct subclass or indirect subclass of TestNVMe
+ class which represents one testcase. To write a new testcase one can copy
+ existing template "nvme_simple_template_test.py" and start adding new
+ testcase specific functionality. For detailed information please look into
+ section 3.
+
+ For more information about tests, class hierarchy and code please refer :-
+
+ 1. Documentation :- html/
+ 2. Class Index :- html/index.html
+ 3. Class Hierarchy :- html/class-tree.html
+
+ For each testcase it will create log directory mentioned in
+ configuration file. This directory will be used for a temporary files
+ and storing execution logs of each testcases. Current implementation stores
+ stdout and stderr for each testcase under log directory, e.g. :-
+
+ $ tree nvmetests/
+ nvmetests/
+ ├── TestNVMeAttachDetachNSCmd
+ │   ├── stderr.log
+ │   └── stdout.log
+ ├── TestNVMeFlushCmd
+ │   ├── stderr.log
+ │   └── stdout.log
+ └── TestNVMeFormatCmd
+ ├── stderr.log
+ └── stdout.log
+ .
+ .
+ .
+
+3. Walk-Through Example for writing a new testcase
+--------------------------------------------------
+ 1. Copy simple test template file from current directory
+ with appropriate name, replace "simple_template" with testcase name
+ in new file name. Update config.json if necessary.
+ 2. Write a testcase main function, make sure its name is starting with
+ test_*.
+ 3. Based on the requirement one can inherit TestNVMe or TestNVMeIO
+ class.
+ 4. Write test precondition code into __init__. Make sure you are calling
+ super class __init__.
+ 5. Write test post condition code into __del__. Make sure you are calling
+ super class __del__.
+ 6. Before writing a new function have a look into TestNVMe to see if it
+ can be reused.
+ 7. Once testcase is ready make sure :-
+ a. Run pep8, flake8, pylint on the testcase and fix errors/warnings.
+ -Example "$ make static_check" will run pep8, flake8 and pylint on
+ all the python files in current directory.
+ b. Execute make doc to generate the documentation.
+ -Example "$ make doc" will create and update existing
+ documentation.
+
+4. Running testcases with framework
+-----------------------------------
+ 1. Running single testcase with nose2 :-
+ $ nose2 --verbose nvme_writezeros_test
+ $ nose2 --verbose nvme_read_write_test
+
+ 2. Running all the testcases with Makefile :-
+ $ make run