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authorCedric Ollivier <cedric.ollivier@orange.com>2017-05-04 07:45:56 +0000
committerGerrit Code Review <gerrit@opnfv.org>2017-05-04 07:45:56 +0000
commit392cae434cce5dcf5a5e8dedc18b2791e3dd8e94 (patch)
treea775f30b4d38e3f0fc1b882b839436de080d9a7b /docs
parent5b1e1ab1b8e177960246effd6280cd7fc9a603aa (diff)
parentcc584596a43af40db096015105d44e63c55cafbb (diff)
Merge "Publish framework presentation"
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+<html>
+<head>
+<title>OPNFV Functest Framework</title>
+<meta name="author" content="Cédric Ollivier">
+<meta name="viewport"
+ content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
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+document.getElementsByTagName( 'head' )[0].appendChild( link );
+</script>
+</head>
+<body>
+ <div class="reveal">
+ <div class="slides">
+ <section data-markdown="framework.md" data-separator="^\n\n\n"
+ data-separator-vertical="^\n\n" data-separator-notes="^Note:"></section>
+ </div>
+ </div>
+ <script src="../reveal.js/lib/js/head.min.js"></script>
+ <script src="../reveal.js/js/reveal.js"></script>
+ <script>
+ Reveal.initialize({
+ dependencies : [ {
+ src : '../reveal.js/plugin/markdown/marked.js',
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+ return !!document.querySelector('[data-markdown]');
+ }
+ }, {
+ src : '../reveal.js/plugin/markdown/markdown.js',
+ condition : function() {
+ return !!document.querySelector('[data-markdown]');
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diff --git a/docs/com/pres/framework/framework.md b/docs/com/pres/framework/framework.md
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+# Functest Framework
+
+created by [Cédric Ollivier](mailto:cedric.ollivier@orange.com)
+
+2017/04/24
+
+Note:
+
+- Functest integrates lots of heteregeounous testcases:
+ - python vs bash
+ - internal vs external
+- it aims to benefit from object programming
+ - to define common operations
+ - to avoid conditional instructions regarding the testcases
+ - to avoid duplicating code
+ - to ease the integration of third-party testcases (written in Bash or Python)
+
+
+
+## Quick overview
+
+
+### Functest function calls
+
+- **CI** calls *run_tests.py* (please see [jenkins jobs](https://gerrit.opnfv.org/gerrit/gitweb?p=releng.git;a=tree;f=jjb/functest))
+- *run_tests.py* parses *functest/ci/testcases.yaml* to:
+ - check which testcase(s) must be run
+ - execute the common operations on every testcase (run, push its results to db...)
+<!-- .element: class="fragment highlight-red"-->
+ - return the right status code to **CI**
+
+
+### Our target
+
+- limit run_tests.py instructions by defining:
+ - the basic testcase attritutes
+ - all common operations
+ - the status codes expected
+- avoid duplicating codes between testcases
+- ease the developpement of third-party testcases (aka features)
+
+
+
+## class TestCase
+
+base model for single test case
+
+
+### instance attributes
+
+- project_name (default: 'functest')
+- case_name
+- criteria
+- start_time
+- stop_time
+- details
+
+
+### methods
+
+| Method | Purpose |
+|-------------------|--------------------------------------------|
+| run(**kwargs) | run the test case |
+| check_criteria() | interpret the results of the test case |
+| push_to_db() | push the results of the test case to the DB|
+
+
+### run(**kwargs)
+
+- the subclasses must override the default implementation which is false on purpose
+- the new implementation must set the following attributes to push the results to DB:
+ - criteria
+ - start_time
+ - stop_time
+
+
+### class attributes
+
+| Status code | Returned when |
+|--------------------|---------------------|
+| EX_OK | everything is OK |
+| EX_RUN_ERROR | run() failed |
+| EX_TESTCASE_FAILED | results are false |
+| EX_PUSH_TO_DB_ERROR| push_to_db() failed |
+
+
+### run_tests.py
+
+```python
+module = importlib.import_module(run_dict['module'])
+cls = getattr(module, run_dict['class'])
+test_dict = ft_utils.get_dict_by_test(test_name)
+test_case = cls(**test_dict)
+try:
+ kwargs = run_dict['args']
+ result = test_case.run(**kwargs)
+except KeyError:
+ result = test_case.run()
+if result == testcase.TestCase.EX_OK:
+ if GlobalVariables.REPORT_FLAG:
+ test_case.push_to_db()
+ result = test_case.check_criteria()
+```
+
+
+
+## Your first test case
+
+
+### first.py
+
+```python
+#!/usr/bin/env python
+
+import time
+
+from functest.core import testcase
+
+class Test(testcase.TestCase):
+
+ def run(self, **kwargs):
+ self.start_time = time.time()
+ print "Hello World"
+ self.criteria = 'PASS'
+ self.stop_time = time.time()
+ return testcase.TestCase.EX_OK
+```
+
+
+### functest/ci/testcases.yaml
+
+```yaml
+case_name: first
+project_name: functest
+criteria: 'status == "PASS"'
+blocking: true
+clean_flag: false
+description: ''
+dependencies:
+ installer: ''
+ scenario: ''
+run:
+ module: 'first'
+ class: 'Test'
+```
+
+
+
+## class Feature
+bases: TestCase
+
+base model for single feature
+
+
+### methods
+
+| Method | Purpose |
+|-------------------|---------------------------|
+| run(**kwargs) | run the feature |
+| execute(**kwargs) | execute the Python method |
+
+
+### run(**kwargs)
+
+- allows executing any Python method by calling execute()
+- sets the following attributes required to push the results to DB:
+ - criteria
+ - start_time
+ - stop_time
+- doesn't fulfill details when pushing the results to the DB.
+
+
+### execute(**kwargs)
+
+- the subclasses must override the default implementation which is false on purpose
+- the new implementation must return 0 if success or anything else if failure.
+
+
+
+## Your second test case
+
+
+### second.py
+
+```python
+#!/usr/bin/env python
+
+from functest.core import feature
+
+class Test(feature.Feature):
+
+ def execute(self, **kwargs):
+ print "Hello World"
+ return 0
+```
+
+
+### functest/ci/testcases.yaml
+
+```yaml
+case_name: second
+project_name: functest
+criteria: 'status == "PASS"'
+blocking: true
+clean_flag: false
+description: ''
+dependencies:
+ installer: ''
+ scenario: ''
+run:
+ module: 'second'
+ class: 'Test'
+```
+
+
+
+## class BashFeature
+bases: Feature
+
+class designed to run any bash command
+
+
+### execute(**kwargs)
+
+execute the cmd passed as arg.
+
+
+
+## Your third test case
+
+
+### functest/ci/testcases.yaml
+
+```
+case_name: third
+project_name: functest
+criteria: 'status == "PASS"'
+blocking: true
+clean_flag: false
+description: ''
+dependencies:
+ installer: ''
+ scenario: ''
+run:
+ module: 'functest.core.feature'
+ class: 'BashFeature'
+ args:
+ cmd: 'echo Hello World; exit 0'
+```
+
+
+
+## Euphrates
+
+
+### Next actions
+
+- __to finish VNF abstraction (coverage + pylint)__
+- to publish doc API
+- to manage criteria as written in testcases.yaml
+
+Please see [Functest Euphrates page](https://wiki.opnfv.org/display/functest/Functest+Euphrates+page) for more details
+
+
+
+## Thank You!