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0949735210
Keep imports alphabetically sorted and their order homogeneous across Python source files. The isort project has more feature and is more active than the flake8-import-order plugin. Most issues caught were simply import ordering from the same module. Where imports were purposefully placed out of order, tag with isort:skip.
271 lines
10 KiB
Python
271 lines
10 KiB
Python
"""
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test_ext_inheritance_diagram
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Test sphinx.ext.inheritance_diagram extension.
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:copyright: Copyright 2007-2020 by the Sphinx team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import os
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import re
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import sys
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import pytest
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from sphinx.ext.inheritance_diagram import (InheritanceDiagram, InheritanceException,
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import_classes)
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@pytest.mark.sphinx(buildername="html", testroot="inheritance")
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@pytest.mark.usefixtures('if_graphviz_found')
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def test_inheritance_diagram(app, status, warning):
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# monkey-patch InheritaceDiagram.run() so we can get access to its
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# results.
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orig_run = InheritanceDiagram.run
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graphs = {}
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def new_run(self):
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result = orig_run(self)
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node = result[0]
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source = os.path.basename(node.document.current_source).replace(".rst", "")
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graphs[source] = node['graph']
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return result
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InheritanceDiagram.run = new_run
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try:
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app.builder.build_all()
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finally:
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InheritanceDiagram.run = orig_run
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assert app.statuscode == 0
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html_warnings = warning.getvalue()
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assert html_warnings == ""
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# note: it is better to split these asserts into separate test functions
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# but I can't figure out how to build only a specific .rst file
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# basic inheritance diagram showing all classes
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for cls in graphs['basic_diagram'].class_info:
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# use in b/c traversing order is different sometimes
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assert cls in [
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('dummy.test.A', 'dummy.test.A', [], None),
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('dummy.test.F', 'dummy.test.F', ['dummy.test.C'], None),
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('dummy.test.C', 'dummy.test.C', ['dummy.test.A'], None),
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('dummy.test.E', 'dummy.test.E', ['dummy.test.B'], None),
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('dummy.test.D', 'dummy.test.D', ['dummy.test.B', 'dummy.test.C'], None),
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('dummy.test.B', 'dummy.test.B', ['dummy.test.A'], None)
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]
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# inheritance diagram using :parts: 1 option
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for cls in graphs['diagram_w_parts'].class_info:
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assert cls in [
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('A', 'dummy.test.A', [], None),
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('F', 'dummy.test.F', ['C'], None),
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('C', 'dummy.test.C', ['A'], None),
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('E', 'dummy.test.E', ['B'], None),
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('D', 'dummy.test.D', ['B', 'C'], None),
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('B', 'dummy.test.B', ['A'], None)
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]
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# inheritance diagram with 1 top class
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# :top-classes: dummy.test.B
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# rendering should be
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# A
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# \
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# B C
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# / \ / \
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# E D F
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#
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for cls in graphs['diagram_w_1_top_class'].class_info:
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assert cls in [
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('dummy.test.A', 'dummy.test.A', [], None),
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('dummy.test.F', 'dummy.test.F', ['dummy.test.C'], None),
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('dummy.test.C', 'dummy.test.C', ['dummy.test.A'], None),
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('dummy.test.E', 'dummy.test.E', ['dummy.test.B'], None),
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('dummy.test.D', 'dummy.test.D', ['dummy.test.B', 'dummy.test.C'], None),
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('dummy.test.B', 'dummy.test.B', [], None)
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]
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# inheritance diagram with 2 top classes
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# :top-classes: dummy.test.B, dummy.test.C
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# Note: we're specifying separate classes, not the entire module here
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# rendering should be
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#
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# B C
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# / \ / \
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# E D F
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#
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for cls in graphs['diagram_w_2_top_classes'].class_info:
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assert cls in [
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('dummy.test.F', 'dummy.test.F', ['dummy.test.C'], None),
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('dummy.test.C', 'dummy.test.C', [], None),
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('dummy.test.E', 'dummy.test.E', ['dummy.test.B'], None),
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('dummy.test.D', 'dummy.test.D', ['dummy.test.B', 'dummy.test.C'], None),
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('dummy.test.B', 'dummy.test.B', [], None)
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]
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# inheritance diagram with 2 top classes and specifying the entire module
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# rendering should be
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#
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# A
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# B C
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# / \ / \
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# E D F
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#
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# Note: dummy.test.A is included in the graph before its descendants are even processed
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# b/c we've specified to load the entire module. The way InheritanceGraph works it is very
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# hard to exclude parent classes once after they have been included in the graph.
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# If you'd like to not show class A in the graph don't specify the entire module.
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# this is a known issue.
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for cls in graphs['diagram_module_w_2_top_classes'].class_info:
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assert cls in [
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('dummy.test.F', 'dummy.test.F', ['dummy.test.C'], None),
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('dummy.test.C', 'dummy.test.C', [], None),
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('dummy.test.E', 'dummy.test.E', ['dummy.test.B'], None),
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('dummy.test.D', 'dummy.test.D', ['dummy.test.B', 'dummy.test.C'], None),
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('dummy.test.B', 'dummy.test.B', [], None),
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('dummy.test.A', 'dummy.test.A', [], None),
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]
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# inheritance diagram involving a base class nested within another class
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for cls in graphs['diagram_w_nested_classes'].class_info:
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assert cls in [
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('dummy.test_nested.A', 'dummy.test_nested.A', [], None),
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('dummy.test_nested.C', 'dummy.test_nested.C', ['dummy.test_nested.A.B'], None),
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('dummy.test_nested.A.B', 'dummy.test_nested.A.B', [], None)
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]
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@pytest.mark.sphinx('html', testroot='ext-inheritance_diagram')
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@pytest.mark.usefixtures('if_graphviz_found')
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def test_inheritance_diagram_png_html(app, status, warning):
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app.builder.build_all()
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content = (app.outdir / 'index.html').read_text()
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pattern = ('<div class="figure align-default" id="id1">\n'
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'<div class="graphviz">'
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'<img src="_images/inheritance-\\w+.png" alt="Inheritance diagram of test.Foo" '
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'class="inheritance graphviz" /></div>\n<p class="caption">'
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'<span class="caption-text">Test Foo!</span><a class="headerlink" href="#id1" '
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'title="Permalink to this image">\xb6</a></p>')
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assert re.search(pattern, content, re.M)
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@pytest.mark.sphinx('html', testroot='ext-inheritance_diagram',
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confoverrides={'graphviz_output_format': 'svg'})
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@pytest.mark.usefixtures('if_graphviz_found')
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def test_inheritance_diagram_svg_html(app, status, warning):
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app.builder.build_all()
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content = (app.outdir / 'index.html').read_text()
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pattern = ('<div class="figure align-default" id="id1">\n'
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'<div class="graphviz">'
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'<object data="_images/inheritance-\\w+.svg" '
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'type="image/svg\\+xml" class="inheritance graphviz">\n'
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'<p class=\"warning\">Inheritance diagram of test.Foo</p>'
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'</object></div>\n<p class="caption"><span class="caption-text">'
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'Test Foo!</span><a class="headerlink" href="#id1" '
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'title="Permalink to this image">\xb6</a></p>')
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assert re.search(pattern, content, re.M)
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@pytest.mark.sphinx('latex', testroot='ext-inheritance_diagram')
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@pytest.mark.usefixtures('if_graphviz_found')
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def test_inheritance_diagram_latex(app, status, warning):
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app.builder.build_all()
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content = (app.outdir / 'python.tex').read_text()
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pattern = ('\\\\begin{figure}\\[htbp]\n\\\\centering\n\\\\capstart\n\n'
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'\\\\sphinxincludegraphics\\[\\]{inheritance-\\w+.pdf}\n'
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'\\\\caption{Test Foo!}\\\\label{\\\\detokenize{index:id1}}\\\\end{figure}')
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assert re.search(pattern, content, re.M)
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@pytest.mark.sphinx('html', testroot='ext-inheritance_diagram',
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srcdir='ext-inheritance_diagram-alias')
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@pytest.mark.usefixtures('if_graphviz_found')
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def test_inheritance_diagram_latex_alias(app, status, warning):
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app.config.inheritance_alias = {'test.Foo': 'alias.Foo'}
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app.builder.build_all()
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doc = app.env.get_and_resolve_doctree('index', app)
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aliased_graph = doc.children[0].children[3]['graph'].class_info
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assert len(aliased_graph) == 3
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assert ('test.Baz', 'test.Baz', ['test.Bar'], None) in aliased_graph
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assert ('test.Bar', 'test.Bar', ['alias.Foo'], None) in aliased_graph
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assert ('alias.Foo', 'alias.Foo', [], None) in aliased_graph
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content = (app.outdir / 'index.html').read_text()
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pattern = ('<div class="figure align-default" id="id1">\n'
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'<div class="graphviz">'
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'<img src="_images/inheritance-\\w+.png" alt="Inheritance diagram of test.Foo" '
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'class="inheritance graphviz" /></div>\n<p class="caption">'
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'<span class="caption-text">Test Foo!</span><a class="headerlink" href="#id1" '
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'title="Permalink to this image">\xb6</a></p>')
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assert re.search(pattern, content, re.M)
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def test_import_classes(rootdir):
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from sphinx.parsers import Parser, RSTParser
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from sphinx.util.i18n import CatalogInfo
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try:
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sys.path.append(rootdir / 'test-ext-inheritance_diagram')
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from example.sphinx import DummyClass
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# got exception for unknown class or module
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with pytest.raises(InheritanceException):
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import_classes('unknown', None)
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with pytest.raises(InheritanceException):
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import_classes('unknown.Unknown', None)
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# got exception InheritanceException for wrong class or module
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# not AttributeError (refs: #4019)
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with pytest.raises(InheritanceException):
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import_classes('unknown', '.')
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with pytest.raises(InheritanceException):
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import_classes('unknown.Unknown', '.')
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with pytest.raises(InheritanceException):
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import_classes('.', None)
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# a module having no classes
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classes = import_classes('sphinx', None)
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assert classes == []
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classes = import_classes('sphinx', 'foo')
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assert classes == []
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# all of classes in the module
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classes = import_classes('sphinx.parsers', None)
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assert set(classes) == {Parser, RSTParser}
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# specified class in the module
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classes = import_classes('sphinx.parsers.Parser', None)
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assert classes == [Parser]
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# specified class in current module
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classes = import_classes('Parser', 'sphinx.parsers')
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assert classes == [Parser]
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# relative module name to current module
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classes = import_classes('i18n.CatalogInfo', 'sphinx.util')
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assert classes == [CatalogInfo]
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# got exception for functions
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with pytest.raises(InheritanceException):
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import_classes('encode_uri', 'sphinx.util')
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# import submodule on current module (refs: #3164)
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classes = import_classes('sphinx', 'example')
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assert classes == [DummyClass]
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finally:
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sys.path.pop()
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