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7222e82a8b
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19930 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
294 lines
12 KiB
Ruby
294 lines
12 KiB
Ruby
require 'rubygems'
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require 'minitest/unit'
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require 'rdoc/generator'
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require 'rdoc/stats'
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require 'rdoc/code_objects'
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require 'rdoc/markup/to_html_crossref'
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require 'rdoc/parser/ruby'
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require 'pathname'
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class TestRDocMarkupToHtmlCrossref < MiniTest::Unit::TestCase
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#
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# This method parses a source file and returns a Hash mapping
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# class names (Strings) to RDoc::Generator::Class instances
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# (classes), which can be used to create RDoc::Markup::ToHtmlCrossref
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# instances. The unit tests only test against classes starting with
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# Ref_, so this method only includes such classes in the Hash.
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#
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def create_class_hash
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# The relative gem would help here...
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# @source_file_name must be cleaned because rdoc does not deal
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# well with paths containing "." or "..".
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curr_file = Pathname.new(__FILE__)
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@source_file_name = curr_file.dirname + "rdoc_markup_to_html_crossref_reference.rb"
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@source_file_name = @source_file_name.cleanpath.to_s
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RDoc::TopLevel.reset
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# Reset RDoc::Generator::Method so that the method sequence number starts
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# at 1, making the method sequence numbers for the methods in the Ref_
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# predicable.
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RDoc::Generator::Method.reset
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top_level = RDoc::TopLevel.new @source_file_name
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options = RDoc::Options.new
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options.quiet = true
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# If this is false, then RDoc::Generator::Method will attempt to create
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# an HTML file containing the method source code when being instantiated,
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# which does not work in the context of this unit test.
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#
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# RDoc::Generator::Method needs to be refactored so that this does *not*
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# happen as part of instantiation.
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options.inline_source = true
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stats = RDoc::Stats.new 0
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parser = RDoc::Parser::Ruby.new(top_level,
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@source_file_name,
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IO.read(@source_file_name),
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options,
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stats)
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top_levels = []
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top_levels.push(parser.scan())
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files, classes = RDoc::Generator::Context.build_indices(top_levels, options)
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class_hash = {}
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classes.each do |klass|
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if(klass.name.include?("Ref_"))
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class_hash[klass.name] = klass
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end
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end
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return class_hash
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end
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#
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# This method uses xref to cross-reference String reference and
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# asserts that xref.convert(reference) is equal
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# to String expected_result.
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#
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def verify_convert(xref, reference, expected_result)
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# Everything converted in the tests will be within paragraph markup, so
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# add paragraph markup to the expected result.
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actual_expected_result = "<p>\n#{expected_result}\n</p>\n"
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result = xref.convert(reference)
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# RDoc::Markup::ToHtml word-wraps lines. It is tricky to predict where
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# a line will be wrapped except that it will happen on a space, so replace
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# all newlines with spaces in order to not have to worry about this.
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actual_expected_result.gsub!(/\n/, " ")
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result.gsub!(/\n/, " ")
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assert_equal actual_expected_result, result
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end
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#
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# This method verifies that xref generates no cross-reference link for
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# String reference.
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#
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def verify_no_crossref(xref, reference)
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if(reference[0, 1] == "\\") # Remove the markup suppression character
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expected_result = reference[1, reference.length() - 1]
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else
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expected_result = reference
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end
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verify_convert(xref, reference, expected_result)
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end
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#
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# This method verifies that xref generates a cross-reference link to
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# class_name (String) for String reference.
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#
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def verify_class_crossref(xref, reference, class_name)
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class_file_name = class_name.gsub(/::/, "/")
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result = "<a href=\"../classes/#{class_file_name}.html\">#{reference}</a>"
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verify_convert xref, reference, result
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end
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#
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# This method verifies that xref generates a cross-reference link to method
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# method_seq (String, e.g, "M000001") in class_name (String) for
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# String reference.
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#
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def verify_method_crossref(xref, reference, class_name, method_seq)
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class_file_name = class_name.gsub(/::/, "/")
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result = "<a href=\"../classes/#{class_file_name}.html##{method_seq}\">#{reference}</a>"
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verify_convert xref, reference, result
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end
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#
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# This method verifies that xref generates a cross-reference link to
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# file_name (String) for String reference.
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#
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def verify_file_crossref(xref, reference, file_name)
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generated_document_path = Pathname.new("../files/#{file_name.gsub(/\./, '_')}.html").cleanpath.to_s
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result = "<a href=\"#{generated_document_path}\">#{reference}</a>"
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verify_convert xref, reference, result
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end
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#
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# This method verifies that several invariant cross-references are
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# (or are not) generated.
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#
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def verify_invariant_crossrefs(xref)
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# bogus does not exist and so no cross-reference should be generated.
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verify_no_crossref xref, "bogus"
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verify_no_crossref xref, "\\bogus"
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# Ref_Class1 is in the top-level namespace, and so a cross-reference always
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# should be generated, unless markup is suppressed.
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verify_class_crossref xref, "Ref_Class1", "Ref_Class1"
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verify_no_crossref xref, "\\Ref_Class1"
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# Ref_Class2 is in the top-level namespace, and so a cross-reference always
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# should be generated for it and for its nested classes.
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verify_class_crossref xref, "Ref_Class2", "Ref_Class2"
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verify_class_crossref xref, "Ref_Class2::Ref_Class3", "Ref_Class2::Ref_Class3"
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verify_method_crossref xref, "Ref_Class2::Ref_Class3#method", "Ref_Class2::Ref_Class3", "M000001"
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verify_method_crossref xref, "Ref_Class2::Ref_Class3#method()", "Ref_Class2::Ref_Class3", "M000001"
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verify_method_crossref xref, "Ref_Class2::Ref_Class3.method()", "Ref_Class2::Ref_Class3", "M000001"
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verify_method_crossref xref, "Ref_Class2::Ref_Class3.method(*)", "Ref_Class2::Ref_Class3", "M000001"
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verify_class_crossref xref, "Ref_Class2::Ref_Class3::Helper1", "Ref_Class2::Ref_Class3::Helper1"
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verify_method_crossref xref, "Ref_Class2::Ref_Class3::Helper1#method?", "Ref_Class2::Ref_Class3::Helper1", "M000002"
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# The hyphen character is not a valid class/method separator character, so
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# rdoc just generates a class cross-reference (perhaps it should not
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# generate anything?).
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result = "<a href=\"../classes/Ref_Class2/Ref_Class3.html\">Ref_Class2::Ref_Class3</a>;method(*)"
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verify_convert xref, "Ref_Class2::Ref_Class3;method(*)", result
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# There is one Ref_Class3 nested in Ref_Class2 and one defined in the
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# top-level namespace; regardless, ::Ref_Class3 (Ref_Class3 relative
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# to the top-level namespace) always should generate a link to the
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# top-level Ref_Class3 (unless of course cross-references are suppressed).
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verify_class_crossref xref, "::Ref_Class3", "Ref_Class3"
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verify_no_crossref xref, "\\::Ref_Class3"
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verify_class_crossref xref, "::Ref_Class3::Helper1", "Ref_Class3::Helper1"
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verify_class_crossref xref, "::Ref_Class3::Helper2", "Ref_Class3::Helper2"
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#
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# Ref_Class3::Helper1 does not have method method.
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#
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verify_no_crossref xref, "::Ref_Class3::Helper1#method"
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verify_no_crossref xref, "\\::Ref_Class3::Helper1#method"
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# References to Ref_Class2 relative to the top-level namespace always should
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# generate links to Ref_Class2.
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verify_method_crossref xref, "::Ref_Class2::Ref_Class3#method", "Ref_Class2::Ref_Class3", "M000001"
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verify_method_crossref xref, "::Ref_Class2::Ref_Class3#method()", "Ref_Class2::Ref_Class3", "M000001"
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verify_method_crossref xref, "::Ref_Class2::Ref_Class3#method(*)", "Ref_Class2::Ref_Class3", "M000001"
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verify_class_crossref xref, "::Ref_Class2::Ref_Class3::Helper1", "Ref_Class2::Ref_Class3::Helper1"
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verify_no_crossref xref, "\\::Ref_Class2::Ref_Class3#method(*)"
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# Suppressing cross-references always should suppress the generation of
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# links.
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verify_no_crossref xref, "\\#method"
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verify_no_crossref xref, "\\#method()"
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verify_no_crossref xref, "\\#method(*)"
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# Links never should be generated for words solely consisting of lowercase
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# letters, because too many links would get generated by mistake (i.e., the
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# word "new" always would be a link).
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verify_no_crossref xref, "method"
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# A link always should be generated for a file name.
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verify_file_crossref xref, @source_file_name, @source_file_name
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# References should be generated correctly for a class scoped within
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# a class of the same name.
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verify_class_crossref xref, "Ref_Class4::Ref_Class4", "Ref_Class4::Ref_Class4"
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end
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def test_handle_special_CROSSREF_no_underscore
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class_hash = create_class_hash
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# Note that we instruct the ToHtmlCrossref instance to show hashes so that
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# an exception won't have to be made for words starting with a '#'.
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# I'm also not convinced that the current behavior of the rdoc code
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# is correct since, without this, it strips the leading # from all
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# words, whether or not they end up as cross-references.
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#
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# After the behavior has been sorted out, this can be changed.
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#
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# Create a variety of RDoc::Markup::ToHtmlCrossref instances, for
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# different classes, and test the cross-references generated by
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# each.
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klass = class_hash["Ref_Class1"]
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xref = RDoc::Markup::ToHtmlCrossref.new 'from_path', klass, true
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verify_invariant_crossrefs xref
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verify_class_crossref xref, "Ref_Class3", "Ref_Class3"
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verify_no_crossref xref, "Ref_Class3#method"
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verify_no_crossref xref, "#method"
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verify_class_crossref xref, "Ref_Class3::Helper1", "Ref_Class3::Helper1"
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verify_class_crossref xref, "Ref_Class3::Helper2", "Ref_Class3::Helper2"
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verify_no_crossref xref, "Helper1"
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verify_class_crossref xref, "Ref_Class4", "Ref_Class4"
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klass = class_hash["Ref_Class2"]
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xref = RDoc::Markup::ToHtmlCrossref.new 'from_path', klass, true
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verify_invariant_crossrefs xref
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verify_class_crossref xref, "Ref_Class3", "Ref_Class2::Ref_Class3"
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verify_method_crossref xref, "Ref_Class3#method", "Ref_Class2::Ref_Class3", "M000001"
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verify_no_crossref xref, "#method"
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verify_class_crossref xref, "Ref_Class3::Helper1", "Ref_Class2::Ref_Class3::Helper1"
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verify_class_crossref xref, "Ref_Class4", "Ref_Class4"
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# This one possibly is an rdoc bug...
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# Ref_Class2 has a nested Ref_Class3, but
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# Ref_Class2::Ref_Class3::Helper2 does not exist.
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# On the other hand, there is a Ref_Class3::Helper2
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# in the top-level namespace... Should rdoc stop
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# looking if it finds one class match?
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verify_no_crossref xref, "Ref_Class3::Helper2"
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verify_no_crossref xref, "Helper1"
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klass = class_hash["Ref_Class2::Ref_Class3"]
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xref = RDoc::Markup::ToHtmlCrossref.new 'from_path', klass, true
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verify_invariant_crossrefs xref
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verify_class_crossref xref, "Ref_Class3", "Ref_Class2::Ref_Class3"
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verify_method_crossref xref, "Ref_Class3#method", "Ref_Class2::Ref_Class3", "M000001"
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verify_method_crossref xref, "#method", "Ref_Class2::Ref_Class3", "M000001"
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verify_class_crossref xref, "Ref_Class3::Helper1", "Ref_Class2::Ref_Class3::Helper1"
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verify_no_crossref xref, "Ref_Class3::Helper2"
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verify_class_crossref xref, "Helper1", "Ref_Class2::Ref_Class3::Helper1"
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verify_class_crossref xref, "Ref_Class4", "Ref_Class4"
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klass = class_hash["Ref_Class3"]
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xref = RDoc::Markup::ToHtmlCrossref.new 'from_path', klass, true
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verify_invariant_crossrefs xref
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verify_class_crossref xref, "Ref_Class3", "Ref_Class3"
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verify_no_crossref xref, "Ref_Class3#method"
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verify_no_crossref xref, "#method"
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verify_class_crossref xref, "Ref_Class3::Helper1", "Ref_Class3::Helper1"
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verify_class_crossref xref, "Ref_Class3::Helper2", "Ref_Class3::Helper2"
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verify_class_crossref xref, "Helper1", "Ref_Class3::Helper1"
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verify_class_crossref xref, "Ref_Class4", "Ref_Class4"
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klass = class_hash["Ref_Class4"]
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xref = RDoc::Markup::ToHtmlCrossref.new 'from_path', klass, true
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verify_invariant_crossrefs xref
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# A Ref_Class4 reference inside a Ref_Class4 class containing a
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# Ref_Class4 class should resolve to the contained class.
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verify_class_crossref xref, "Ref_Class4", "Ref_Class4::Ref_Class4"
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klass = class_hash["Ref_Class4::Ref_Class4"]
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xref = RDoc::Markup::ToHtmlCrossref.new 'from_path', klass, true
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verify_invariant_crossrefs xref
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# A Ref_Class4 reference inside a Ref_Class4 class contained within
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# a Ref_Class4 class should resolve to the inner Ref_Class4 class.
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verify_class_crossref xref, "Ref_Class4", "Ref_Class4::Ref_Class4"
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end
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end
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MiniTest::Unit.autorun
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