doc: add tests catalog page

Add a new section in the LTP documentation website, where we list all
tests which are available in LTP and supporting new API.

Acked-by: Cyril Hrubis <chrubis@suse.cz>
Acked-by: Petr Vorel <pvorel@suse.cz>
Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>

Author: acerv

doc/.gitignore

@@ -1,4 +1,5 @@
 html/
 build/
 _static/syscalls.rst
+_static/tests.rst
 syscalls.tbl

doc/conf.py

@@ -5,6 +5,7 @@
 
 import os
 import re
+import json
 import socket
 import urllib.request
 import sphinx
@@ -17,6 +18,7 @@
 author = 'Linux Test Project'
 release = '1.0'
 ltp_repo = 'https://github.com/linux-test-project/ltp'
+ltp_repo_base_url = f"{ltp_repo}/tree/master"
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
@@ -25,7 +27,7 @@
     'linuxdoc.rstKernelDoc',
     'sphinxcontrib.spelling',
     'sphinx.ext.autosectionlabel',
-    'sphinx.ext.extlinks'
+    'sphinx.ext.extlinks',
 ]
 
 exclude_patterns = ["html*", '_static*']
@@ -138,7 +140,6 @@ def generate_syscalls_stats(_):
     if error:
         return
 
-    syscalls_base_url = f"{ltp_repo}/tree/master"
     text = [
         'Syscalls\n',
         '--------\n\n',
@@ -176,7 +177,7 @@ def generate_syscalls_stats(_):
             path = dirpath.replace('../', '')
             name = match.group('name')
 
-            ltp_syscalls[name] = f'{syscalls_base_url}/{path}'
+            ltp_syscalls[name] = f'{ltp_repo_base_url}/{path}'
 
     # compare kernel syscalls with LTP tested syscalls
     syscalls = {}
@@ -186,7 +187,7 @@ def generate_syscalls_stats(_):
 
         if kersc not in syscalls:
             if kersc in white_list:
-                syscalls[kersc] = f'{syscalls_base_url}/{white_list[kersc]}'
+                syscalls[kersc] = f'{ltp_repo_base_url}/{white_list[kersc]}'
                 continue
 
             syscalls[kersc] = None
@@ -256,10 +257,275 @@ def generate_syscalls_stats(_):
         stats.writelines(text)
 
 
+def _generate_tags_table(tags):
+    """
+    Generate the tags table from tags hash.
+    """
+    supported_url_ref = {
+        "linux-git": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=",
+        "linux-stable-git": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=",
+        "glibc-git": "https://sourceware.org/git/?p=glibc.git;a=commit;h=",
+        "musl-git": "https://git.musl-libc.org/cgit/musl/commit/src/linux/clone.c?id=",
+        "CVE": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-",
+    }
+
+    table = [
+        '.. list-table::',
+        '   :header-rows: 1',
+        '',
+        '   * - Tag',
+        '     - Info',
+    ]
+
+    for tag in tags:
+        tag_key = tag[0]
+        tag_val = tag[1]
+
+        tag_url = supported_url_ref.get(tag_key, None)
+        if tag_url:
+            tag_val = f'`{tag_val} <{tag_url}{tag_val}>`_'
+
+        table.extend([
+            f'   * - {tag_key}',
+            f'     - {tag_val}',
+        ])
+
+    return table
+
+
+def _generate_options_table(options):
+    """
+    Generate the options table from the options hash.
+    """
+    table = [
+        '.. list-table::',
+        '   :header-rows: 1',
+        '',
+        '   * - Option',
+        '     - Description',
+    ]
+
+    for opt in options:
+        if not isinstance(opt, list):
+            table.clear()
+            break
+
+        key = opt[0]
+        val = opt[2]
+
+        if key.endswith(':'):
+            key = key[:-1] if key.endswith(':') else key
+
+        key = f'-{key}'
+
+        table.extend([
+            f'   * - {key}',
+            f'     - {val}',
+        ])
+
+    return table
+
+
+def _generate_table_cell(key, values):
+    """
+    Generate a cell which can be multiline if value is a list.
+    """
+    cell = []
+
+    if len(values) > 1:
+        cell.extend([
+            f'   * - {key}',
+            f'     - | {values[0]}',
+        ])
+
+        for item in values[1:]:
+            cell.append(f'       | {item}')
+    else:
+        cell.extend([
+            f'   * - {key}',
+            f'     - {values[0]}',
+        ])
+
+    return cell
+
+
+def _generate_setup_table(keys):
+    """
+    Generate the table with test setup configuration.
+    """
+    exclude = [
+        # following keys are already handled
+        'options',
+        'runtime',
+        'timeout',
+        'fname',
+        'doc',
+        # following keys don't need to be shown
+        'child_needs_reinit',
+        'needs_checkpoints',
+        'forks_child',
+        'tags',
+    ]
+    my_keys = {k: v for k, v in keys.items() if k not in exclude}
+    if len(my_keys) == 0:
+        return []
+
+    table = [
+        '.. list-table::',
+        '   :header-rows: 1',
+        '',
+        '   * - Key',
+        '     - Value',
+    ]
+
+    values = []
+
+    for key, value in my_keys.items():
+        if key in exclude:
+            continue
+
+        values.clear()
+
+        if key == 'ulimit':
+            for item in value:
+                values.append(f'{item[0]} : {item[1]}')
+        elif key == 'hugepages':
+            if len(value) == 1:
+                values.append(f'{value[0]}')
+            else:
+                values.append(f'{value[0]}, {value[1]}')
+        elif key == 'filesystems':
+            for v in value:
+                for item in v:
+                    if isinstance(item, list):
+                        continue
+
+                    if item.startswith('.type'):
+                        values.append(item.replace('.type=', ''))
+        elif key == "save_restore":
+            for item in value:
+                values.append(item[0])
+        else:
+            if isinstance(value, list):
+                values.extend(value)
+            else:
+                values.append(value)
+
+        table.extend(_generate_table_cell(key, values))
+
+    return table
+
+
+def generate_test_catalog(_):
+    """
+    Generate the test catalog from ltp.json metadata file.
+    """
+    output = '_static/tests.rst'
+    metadata_file = '../metadata/ltp.json'
+    text = [
+        '.. warning::',
+        '    The following catalog has been generated using LTP metadata',
+        '    which is including only tests using the new :ref:`LTP C API`.',
+        ''
+    ]
+
+    metadata = None
+    with open(metadata_file, 'r', encoding='utf-8') as data:
+        metadata = json.load(data)
+
+    timeout_def = metadata['defaults']['timeout']
+
+    for test_name, conf in metadata['tests'].items():
+        text.extend([
+            f'{test_name}',
+            len(test_name) * '-'
+        ])
+
+        # source url location
+        test_fname = conf.get('fname', None)
+        if test_fname:
+            text.extend([
+                '',
+                f"`source <{ltp_repo_base_url}/{test_fname}>`__",
+                ''
+            ])
+
+        # test description
+        desc = conf.get('doc', None)
+        if desc:
+            desc_text = []
+            for line in desc:
+                if line.startswith("[Description]"):
+                    desc_text.append("**Description**")
+                elif line.startswith("[Algorithm]"):
+                    desc_text.append("**Algorithm**")
+                else:
+                    desc_text.append(line)
+
+            text.extend([
+                '\n'.join(desc_text),
+            ])
+
+        # timeout information
+        timeout = conf.get('timeout', None)
+        if timeout:
+            text.extend([
+                '',
+                f'Test timeout is {timeout} seconds.',
+            ])
+        else:
+            text.extend([
+                '',
+                f'Test timeout defaults is {timeout_def} seconds.',
+            ])
+
+        # runtime information
+        runtime = conf.get('runtime', None)
+        if runtime:
+            text.extend([
+                f'Maximum runtime is {runtime} seconds.',
+                ''
+            ])
+        else:
+            text.append('')
+
+        # options information
+        opts = conf.get('options', None)
+        if opts:
+            text.append('')
+            text.extend(_generate_options_table(opts))
+            text.append('')
+
+        # tags information
+        tags = conf.get('tags', None)
+        if tags:
+            text.append('')
+            text.extend(_generate_tags_table(tags))
+            text.append('')
+
+        # parse struct tst_test content
+        text.append('')
+        text.extend(_generate_setup_table(conf))
+        text.append('')
+
+        # small separator between tests
+        text.extend([
+            '',
+            '.. raw:: html',
+            '',
+            '    <hr>',
+            '',
+        ])
+
+    with open(output, 'w+', encoding='utf-8') as new_tests:
+        new_tests.write('\n'.join(text))
+
+
 def setup(app):
     """
     Setup the current documentation, using self generated data and graphics
     customizations.
     """
     app.add_css_file('custom.css')
     app.connect('builder-inited', generate_syscalls_stats)
+    app.connect('builder-inited', generate_test_catalog)

doc/index.rst

@@ -11,6 +11,7 @@
    users/setup_tests
    users/supported_systems
    users/stats
+   users/test_catalog
 
 .. toctree::
    :maxdepth: 3
@@ -54,6 +55,9 @@ For users
 :doc:`users/stats`
    Some LTP statistics
 
+:doc:`users/test_catalog`
+   The LTP test catalog
+
 For developers
 --------------
 

doc/users/test_catalog.rst

@@ -0,0 +1,7 @@
+.. SPDX-License-Identifier: GPL-2.0-or-later
+
+Test catalog
+============
+
+.. include:: ../_static/tests.rst
+