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171 lines
5.1 KiB
Crystal
171 lines
5.1 KiB
Crystal
require "../spec_helper"
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module Ameba
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private def runner(files = [__FILE__], formatter = DummyFormatter.new)
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config = Config.load
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config.formatter = formatter
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config.globs = files
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config.update_rule ErrorRule.rule_name, enabled: false
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Runner.new(config)
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end
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describe Runner do
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formatter = DummyFormatter.new
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default_severity = Severity::Refactoring
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describe "#run" do
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it "returns self" do
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runner.run.should_not be_nil
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end
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it "calls started callback" do
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runner(formatter: formatter).run
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formatter.started_sources.should_not be_nil
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end
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it "calls finished callback" do
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runner(formatter: formatter).run
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formatter.finished_sources.should_not be_nil
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end
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it "calls source_started callback" do
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runner(formatter: formatter).run
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formatter.started_source.should_not be_nil
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end
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it "calls source_finished callback" do
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runner(formatter: formatter).run
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formatter.finished_source.should_not be_nil
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end
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it "skips rule check if source is excluded" do
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path = "source.cr"
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source = Source.new "", path
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all_rules = ([] of Rule::Base).tap do |rules|
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rule = ErrorRule.new
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rule.excluded = [path]
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rules << rule
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end
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Runner.new(all_rules, [source], formatter, default_severity).run.success?.should be_true
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end
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context "invalid syntax" do
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it "reports a syntax error" do
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rules = [Rule::Lint::Syntax.new] of Rule::Base
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source = Source.new "def bad_syntax"
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Runner.new(rules, [source], formatter, default_severity).run
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source.should_not be_valid
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source.issues.first.rule.name.should eq Rule::Lint::Syntax.rule_name
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end
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it "does not run other rules" do
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rules = [Rule::Lint::Syntax.new, Rule::Style::ConstantNames.new] of Rule::Base
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source = Source.new %q(
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MyBadConstant = 1
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when my_bad_syntax
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)
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Runner.new(rules, [source], formatter, default_severity).run
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source.should_not be_valid
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source.issues.size.should eq 1
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end
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end
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context "unneeded disables" do
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it "reports an issue if such disable exists" do
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rules = [Rule::Lint::UnneededDisableDirective.new] of Rule::Base
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source = Source.new %(
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a = 1 # ameba:disable LineLength
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)
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Runner.new(rules, [source], formatter, default_severity).run
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source.should_not be_valid
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source.issues.first.rule.name.should eq Rule::Lint::UnneededDisableDirective.rule_name
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end
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end
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end
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describe "#explain" do
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io = IO::Memory.new
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it "writes nothing if sources are valid" do
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io.clear
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runner = runner(formatter: formatter).run
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runner.explain({file: "source.cr", line: 1, column: 2}, io)
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io.to_s.should be_empty
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end
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it "writes the explanation if sources are not valid and location found" do
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io.clear
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rules = [ErrorRule.new] of Rule::Base
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source = Source.new %(
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a = 1
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), "source.cr"
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runner = Runner.new(rules, [source], formatter, default_severity).run
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runner.explain({file: "source.cr", line: 1, column: 1}, io)
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io.to_s.should_not be_empty
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end
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it "writes nothing if sources are not valid and location is not found" do
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io.clear
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rules = [ErrorRule.new] of Rule::Base
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source = Source.new %(
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a = 1
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), "source.cr"
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runner = Runner.new(rules, [source], formatter, default_severity).run
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runner.explain({file: "source.cr", line: 1, column: 2}, io)
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io.to_s.should be_empty
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end
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end
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describe "#success?" do
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it "returns true if runner has not been run" do
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runner.success?.should be_true
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end
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it "returns true if all sources are valid" do
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runner.run.success?.should be_true
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end
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it "returns false if there are invalid sources" do
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rules = Rule.rules.map &.new.as(Rule::Base)
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s = Source.new %q(
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WrongConstant = 5
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)
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Runner.new(rules, [s], formatter, default_severity).run.success?.should be_false
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end
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it "depends on the level of severity" do
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rules = Rule.rules.map &.new.as(Rule::Base)
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s = Source.new %q(WrongConstant = 5)
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Runner.new(rules, [s], formatter, Severity::Error).run.success?.should be_true
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Runner.new(rules, [s], formatter, Severity::Warning).run.success?.should be_true
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Runner.new(rules, [s], formatter, Severity::Refactoring).run.success?.should be_false
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end
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it "returns false if issue is disabled" do
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rules = [NamedRule.new] of Rule::Base
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source = Source.new %(
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def foo
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bar = 1 # ameba:disable #{NamedRule.name}
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end
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)
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source.add_issue NamedRule.new, location: {2, 1},
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message: "Useless assignment"
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Runner
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.new(rules, [source], formatter, default_severity)
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.run.success?.should be_true
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end
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end
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end
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end
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