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|
# frozen_string_literal: true
require "helper"
describe SimpleCov::Configuration do
let(:config_class) do
Class.new do
include SimpleCov::Configuration
end
end
let(:config) { config_class.new }
describe "#print_error_status" do
subject { config.print_error_status }
context "when not manually set" do
it { is_expected.to be true }
end
context "when manually set" do
before { config.print_error_status = false }
it { is_expected.to be false }
end
end
describe "#tracked_files" do
context "when configured" do
let(:glob) { "{app,lib}/**/*.rb" }
before { config.track_files(glob) }
it "returns the configured glob" do
expect(config.tracked_files).to eq glob
end
context "and configured again with nil" do
before { config.track_files(nil) }
it "returns nil" do
expect(config.tracked_files).to be_nil
end
end
end
context "when unconfigured" do
it "returns nil" do
expect(config.tracked_files).to be_nil
end
end
shared_examples "setting coverage expectations" do |coverage_setting|
after :each do
config.clear_coverage_criteria
end
it "does not warn you about your usage" do
expect(config).not_to receive(:warn)
config.public_send(coverage_setting, 100.00)
end
it "warns you about your usage" do
expect(config).to receive(:warn).with("The coverage you set for #{coverage_setting} is greater than 100%")
config.public_send(coverage_setting, 100.01)
end
it "sets the right coverage value when called with a number" do
config.public_send(coverage_setting, 80)
expect(config.public_send(coverage_setting)).to eq line: 80
end
it "sets the right coverage when called with a hash of just line" do
config.public_send(coverage_setting, {line: 85.0})
expect(config.public_send(coverage_setting)).to eq line: 85.0
end
it "sets the right coverage when called with a hash of just branch" do
config.enable_coverage :branch
config.public_send(coverage_setting, {branch: 85.0})
expect(config.public_send(coverage_setting)).to eq branch: 85.0
end
it "sets the right coverage when called with both line and branch" do
config.enable_coverage :branch
config.public_send(coverage_setting, {branch: 85.0, line: 95.4})
expect(config.public_send(coverage_setting)).to eq branch: 85.0, line: 95.4
end
it "raises when trying to set branch coverage but not enabled" do
expect do
config.public_send(coverage_setting, {branch: 42})
end.to raise_error(/branch.*disabled/i)
end
it "raises when unknown coverage criteria provided" do
expect do
config.public_send(coverage_setting, {unknown: 42})
end.to raise_error(/unsupported.*unknown/i)
end
context "when primary coverage is set" do
before(:each) do
config.enable_coverage :branch
config.primary_coverage :branch
end
it "sets the right coverage value when called with a number" do
config.public_send(coverage_setting, 80)
expect(config.public_send(coverage_setting)).to eq branch: 80
end
end
end
describe "#minimum_coverage" do
it_behaves_like "setting coverage expectations", :minimum_coverage
end
describe "#minimum_coverage_by_file" do
it_behaves_like "setting coverage expectations", :minimum_coverage_by_file
end
describe "#maximum_coverage_drop" do
it_behaves_like "setting coverage expectations", :maximum_coverage_drop
end
describe "#refuse_coverage_drop" do
after :each do
config.clear_coverage_criteria
end
it "sets the right coverage value when called with `:line`" do
config.public_send(:refuse_coverage_drop, :line)
expect(config.public_send(:maximum_coverage_drop)).to eq line: 0
end
it "sets the right coverage value when called with `:branch`" do
config.enable_coverage :branch
config.public_send(:refuse_coverage_drop, :branch)
expect(config.public_send(:maximum_coverage_drop)).to eq branch: 0
end
it "sets the right coverage value when called with `:line` and `:branch`" do
config.enable_coverage :branch
config.public_send(:refuse_coverage_drop, :line, :branch)
expect(config.public_send(:maximum_coverage_drop)).to eq line: 0, branch: 0
end
it "sets the right coverage value when called with no args" do
config.public_send(:refuse_coverage_drop)
expect(config.public_send(:maximum_coverage_drop)).to eq line: 0
end
end
describe "#coverage_criterion" do
it "defaults to line" do
expect(config.coverage_criterion).to eq :line
end
it "works fine with line" do
config.coverage_criterion :line
expect(config.coverage_criterion).to eq :line
end
it "works fine with :branch" do
config.coverage_criterion :branch
expect(config.coverage_criterion).to eq :branch
end
it "works fine setting it back and forth" do
config.coverage_criterion :branch
config.coverage_criterion :line
expect(config.coverage_criterion).to eq :line
end
it "errors out on unknown coverage" do
expect do
config.coverage_criterion :unknown
end.to raise_error(/unsupported.*unknown.*line/i)
end
end
describe "#coverage_criteria" do
it "defaults to line" do
expect(config.coverage_criteria).to contain_exactly :line
end
end
describe "#enable_coverage" do
it "can enable branch coverage" do
config.enable_coverage :branch
expect(config.coverage_criteria).to contain_exactly :line, :branch
end
it "can enable line again" do
config.enable_coverage :line
expect(config.coverage_criteria).to contain_exactly :line
end
it "can't enable arbitrary things" do
expect do
config.enable_coverage :unknown
end.to raise_error(/unsupported.*unknown.*line/i)
end
end
describe "#branch_coverage?", if: SimpleCov.branch_coverage_supported? do
it "returns true of branch coverage is being measured" do
config.enable_coverage :branch
expect(config).to be_branch_coverage
end
it "returns false for line coverage" do
config.coverage_criterion :line
expect(config).not_to be_branch_coverage
end
end
describe "#enable_for_subprocesses" do
it "returns false by default" do
expect(config.enable_for_subprocesses).to eq false
end
it "can be set to true" do
config.enable_for_subprocesses true
expect(config.enable_for_subprocesses).to eq true
end
it "can be enabled and then disabled again" do
config.enable_for_subprocesses true
config.enable_for_subprocesses false
expect(config.enable_for_subprocesses).to eq false
end
end
describe "#primary_coverage" do
context "when branch coverage is enabled" do
before(:each) { config.enable_coverage :branch }
it "can set primary coverage to branch" do
config.primary_coverage :branch
expect(config.coverage_criteria).to contain_exactly :line, :branch
expect(config.primary_coverage).to eq :branch
end
end
context "when branch coverage is not enabled" do
it "cannot set primary coverage to branch " do
expect do
config.primary_coverage :branch
end.to raise_error(/branch.*disabled/i)
end
end
it "can set primary coverage to line" do
config.primary_coverage :line
expect(config.coverage_criteria).to contain_exactly :line
expect(config.primary_coverage).to eq :line
end
it "can't set primary coverage to arbitrary things" do
expect do
config.primary_coverage :unknown
end.to raise_error(/unsupported.*unknown.*line/i)
end
end
end
end
|
