shard-ameba/spec/spec_helper.cr

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Crystal
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require "spec"
require "../src/ameba"
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module Ameba
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struct DummyRule < Rule::Base
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properties do
description : String = "Dummy rule that does nothing."
end
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def test(source)
end
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end
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struct NamedRule < Rule::Base
properties do
description : String = "A rule with a custom name."
end
def test(source)
end
def self.name
"BreakingRule"
end
end
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struct ErrorRule < Rule::Base
def test(source)
source.error self, 1, 1, "This rule always adds an error"
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end
end
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struct ScopeRule < Rule::Base
getter scopes = [] of AST::Scope
def test(source)
end
def test(source, node : Crystal::ASTNode, scope : AST::Scope)
@scopes << scope
end
end
class DummyFormatter < Formatter::BaseFormatter
property started_sources : Array(Source)?
property finished_sources : Array(Source)?
property started_source : Source?
property finished_source : Source?
def started(sources)
@started_sources = sources
end
def source_finished(source : Source)
@started_source = source
end
def source_started(source : Source)
@finished_source = source
end
def finished(sources)
@finished_sources = sources
end
end
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struct BeValidExpectation
def match(source)
source.valid?
end
def failure_message(source)
String.build do |str|
str << "Source expected to be valid, but there are errors:\n\n"
source.errors.reject(&.disabled?).each do |e|
str << " * #{e.rule.name}: #{e.message}\n"
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end
end
end
def negative_failure_message(source)
"Source expected to be invalid, but it is valid."
end
end
class TestNodeVisitor < Crystal::Visitor
NODES = [
Crystal::Var,
Crystal::Assign,
Crystal::OpAssign,
Crystal::MultiAssign,
Crystal::Block,
Crystal::Def,
Crystal::If,
Crystal::While,
Crystal::MacroLiteral,
]
def initialize(node)
node.accept self
end
def visit(node : Crystal::ASTNode)
true
end
{% for node in NODES %}
{{getter_name = node.stringify.split("::").last.underscore + "_nodes"}}
getter {{getter_name.id}} = [] of {{node}}
def visit(node : {{node}})
{{getter_name.id}} << node
true
end
{% end %}
end
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end
def be_valid
Ameba::BeValidExpectation.new
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end
def as_node(source)
Crystal::Parser.new(source).parse
end
def as_nodes(source)
Ameba::TestNodeVisitor.new(as_node source)
end