shard-ameba/spec/spec_helper.cr

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Crystal
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require "spec"
require "../src/ameba"
require "../src/ameba/spec/support"
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module Ameba
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# Dummy Rule which does nothing.
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class 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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class NamedRule < Rule::Base
properties do
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description "A rule with a custom name."
end
def self.name
"BreakingRule"
end
end
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class ErrorRule < Rule::Base
properties do
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description "Always adds an error at 1:1"
end
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def test(source)
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issue_for({1, 1}, "This rule always adds an error")
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end
end
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class ScopeRule < Rule::Base
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@[YAML::Field(ignore: true)]
getter scopes = [] of AST::Scope
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properties do
description "Internal rule to test scopes"
end
def test(source, node : Crystal::ASTNode, scope : AST::Scope)
@scopes << scope
end
end
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class FlowExpressionRule < Rule::Base
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@[YAML::Field(ignore: true)]
getter expressions = [] of AST::FlowExpression
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properties do
description "Internal rule to test flow expressions"
end
def test(source, node, flow_expression : AST::FlowExpression)
@expressions << flow_expression
end
end
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class RedundantControlExpressionRule < Rule::Base
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@[YAML::Field(ignore: true)]
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getter nodes = [] of Crystal::ASTNode
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properties do
description "Internal rule to test redundant control expressions"
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end
def test(source, node, visitor : AST::RedundantControlExpressionVisitor)
nodes << node
end
end
# A rule that always raises an error
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class RaiseRule < Rule::Base
property should_raise = false
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properties do
description "Internal rule that always raises"
end
def test(source)
should_raise && raise "something went wrong"
end
end
class PerfRule < Rule::Performance::Base
properties do
description : String = "Sample performance rule"
end
def test(source)
issue_for({1, 1}, "Poor performance")
end
end
class AtoAA < Rule::Base
include AST::Util
properties do
description "This rule is only used to test infinite loop detection"
end
def test(source, node : Crystal::ClassDef | Crystal::ModuleDef)
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return unless name = node_source(node.name, source.lines)
return unless name.includes?("A")
issue_for(node.name, message: "A to AA") do |corrector|
corrector.replace(node.name, name.sub("A", "AA"))
end
end
end
class AtoB < Rule::Base
include AST::Util
properties do
description "This rule is only used to test infinite loop detection"
end
def test(source, node : Crystal::ClassDef | Crystal::ModuleDef)
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return unless name = node_source(node.name, source.lines)
return unless name.includes?("A")
issue_for(node.name, message: "A to B") do |corrector|
corrector.replace(node.name, name.tr("A", "B"))
end
end
end
class BtoA < Rule::Base
include AST::Util
properties do
description "This rule is only used to test infinite loop detection"
end
def test(source, node : Crystal::ClassDef | Crystal::ModuleDef)
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return unless name = node_source(node.name, source.lines)
return unless name.includes?("B")
issue_for(node.name, message: "B to A") do |corrector|
corrector.replace(node.name, name.tr("B", "A"))
end
end
end
class BtoC < Rule::Base
include AST::Util
properties do
description "This rule is only used to test infinite loop detection"
end
def test(source, node : Crystal::ClassDef | Crystal::ModuleDef)
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return unless name = node_source(node.name, source.lines)
return unless name.includes?("B")
issue_for(node.name, message: "B to C") do |corrector|
corrector.replace(node.name, name.tr("B", "C"))
end
end
end
class CtoA < Rule::Base
include AST::Util
properties do
description "This rule is only used to test infinite loop detection"
end
def test(source, node : Crystal::ClassDef | Crystal::ModuleDef)
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return unless name = node_source(node.name, source.lines)
return unless name.includes?("C")
issue_for(node.name, message: "C to A") do |corrector|
corrector.replace(node.name, name.tr("C", "A"))
end
end
end
class ClassToModule < Ameba::Rule::Base
include Ameba::AST::Util
properties do
description "This rule is only used to test infinite loop detection"
end
def test(source, node : Crystal::ClassDef)
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return unless location = node.location
end_location = location.adjust(column_number: {{"class".size - 1}})
issue_for(location, end_location, message: "class to module") do |corrector|
corrector.replace(location, end_location, "module")
end
end
end
class ModuleToClass < Ameba::Rule::Base
include Ameba::AST::Util
properties do
description "This rule is only used to test infinite loop detection"
end
def test(source, node : Crystal::ModuleDef)
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return unless location = node.location
end_location = location.adjust(column_number: {{"module".size - 1}})
issue_for(location, end_location, message: "module to class") do |corrector|
corrector.replace(location, end_location, "class")
end
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
class TestNodeVisitor < Crystal::Visitor
NODES = [
Crystal::NilLiteral,
Crystal::Var,
Crystal::Assign,
Crystal::OpAssign,
Crystal::MultiAssign,
Crystal::Block,
Crystal::Macro,
Crystal::Def,
Crystal::If,
Crystal::While,
Crystal::MacroLiteral,
Crystal::Expressions,
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Crystal::ControlExpression,
]
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 as_node(source)
Crystal::Parser.new(source).parse
end
def as_nodes(source)
Ameba::TestNodeVisitor.new(as_node source)
end