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context.cr
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context.cr
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require "./item"
module Spec
# Base type for `ExampleGroup`.
abstract class Context
# All the children, which can be `describe`/`context` or `it`
getter children = [] of ExampleGroup | Example
protected abstract def cli : CLI
def randomize(randomizer)
children.each do |child|
child.randomize(randomizer) if child.is_a?(ExampleGroup)
end
children.shuffle!(randomizer)
end
protected def internal_run
run_before_all_hooks
children.each &.run
run_after_all_hooks
end
protected def before_each(&block)
(@before_each ||= [] of ->) << block
end
protected def run_before_each_hooks
@before_each.try &.each &.call
end
protected def after_each(&block)
(@after_each ||= [] of ->) << block
end
protected def run_after_each_hooks
@after_each.try &.reverse_each &.call
end
protected def before_all(&block)
(@before_all ||= [] of ->) << block
end
protected def run_before_all_hooks
@before_all.try &.each &.call
end
protected def after_all(&block)
(@after_all ||= [] of ->) << block
end
protected def run_after_all_hooks
@after_all.try &.reverse_each &.call
end
protected def around_each(&block : Example::Procsy ->)
(@around_each ||= [] of Example::Procsy ->) << block
end
protected def run_around_each_hooks(procsy : Example::Procsy) : Bool
internal_run_around_each_hooks(procsy)
end
protected def internal_run_around_each_hooks(procsy : Example::Procsy) : Bool
around_each = @around_each
return false unless around_each
run_around_each_hook(around_each, procsy, 0)
true
end
protected def run_around_each_hook(around_each, procsy, index) : Nil
around_each[index].call(
if index == around_each.size - 1
# If we don't have any more hooks after this one, call the procsy
procsy
else
# Otherwise, create a procsy that will invoke the next hook
Example::Procsy.new(procsy.example) do
run_around_each_hook(around_each, procsy, index + 1)
end
end
)
end
protected def around_all(&block : ExampleGroup::Procsy ->)
(@around_all ||= [] of ExampleGroup::Procsy ->) << block
end
protected def run_around_all_hooks(procsy : ExampleGroup::Procsy) : Bool
around_all = @around_all
return false unless around_all
run_around_all_hook(around_all, procsy, 0)
true
end
protected def run_around_all_hook(around_all, procsy, index) : Nil
around_all[index].call(
if index == around_all.size - 1
# If we don't have any more hooks after this one, call the procsy
procsy
else
# Otherwise, create a procsy that will invoke the next hook
ExampleGroup::Procsy.new(procsy.example_group) do
run_around_all_hook(around_all, procsy, index + 1)
end
end
)
end
end
# :nodoc:
enum Status
Success
Fail
Error
Pending
end
# :nodoc:
record Result,
kind : Status,
description : String,
file : String,
line : Int32,
elapsed : Time::Span?,
exception : Exception?
# :nodoc:
class CLI
getter root_context : RootContext { RootContext.new(self) }
property current_context : Context { root_context }
end
# :nodoc:
#
# The root context is the main interface that the spec DSL interacts with.
class RootContext < Context
@results : Hash(Status, Array(Result))
protected getter cli : CLI
def results_for(status : Status)
@results[status]
end
def initialize(@cli : CLI)
@results = Status.values.to_h { |status| {status, [] of Result} }
end
def run
print_order_message
internal_run
end
def report(status : Status, full_description, file, line, elapsed = nil, ex = nil)
result = Result.new(status, full_description, file, line, elapsed, ex)
report_formatters result
@results[status] << result
end
def report_formatters(result)
cli.formatters.each(&.report(result))
end
def succeeded
results_for(:fail).empty? && results_for(:error).empty?
end
def finish(elapsed_time, aborted = false)
cli.formatters.each(&.finish(elapsed_time, aborted))
if cli.formatters.any?(&.should_print_summary?)
print_summary(elapsed_time, aborted)
end
end
def print_summary(elapsed_time, aborted = false)
pendings = results_for(:pending)
unless pendings.empty?
puts
puts "Pending:"
pendings.each do |pending|
puts Spec.color(" #{pending.description}", :pending)
end
end
failures = results_for(:fail)
errors = results_for(:error)
cwd = Dir.current
failures_and_errors = failures + errors
unless failures_and_errors.empty?
puts
puts "Failures:"
failures_and_errors.each_with_index do |fail, i|
if ex = fail.exception
puts
puts "#{(i + 1).to_s.rjust(3, ' ')}) #{fail.description}"
if ex.is_a?(SpecError)
source_line = Spec.read_line(ex.file, ex.line)
if source_line
puts Spec.color(" Failure/Error: #{source_line.strip}", :error)
end
end
puts
message = ex.is_a?(SpecError) ? ex.to_s : ex.inspect_with_backtrace
message.split('\n') do |line|
print " "
puts Spec.color(line, :error)
end
if ex.is_a?(SpecError)
puts
puts Spec.color(" # #{Path[ex.file].relative_to(cwd)}:#{ex.line}", :comment)
end
end
end
end
if cli.slowest
puts
results = results_for(:success) + results_for(:fail)
top_n = results.sort_by { |res| -res.elapsed.not_nil!.to_f }[0..cli.slowest.not_nil!]
top_n_time = top_n.sum &.elapsed.not_nil!.total_seconds
percent = (top_n_time * 100) / elapsed_time.total_seconds
puts "Top #{cli.slowest} slowest examples (#{top_n_time.humanize} seconds, #{percent.round(2)}% of total time):"
top_n.each do |res|
puts " #{res.description}"
res_elapsed = res.elapsed.not_nil!.total_seconds.humanize
puts " #{res_elapsed.colorize.bold} seconds #{Path[res.file].relative_to(cwd)}:#{res.line}"
end
end
puts
success = results_for(:success)
total = pendings.size + failures.size + errors.size + success.size
final_status = case
when aborted then Status::Error
when (failures.size + errors.size) > 0 then Status::Fail
when pendings.size > 0 then Status::Pending
else Status::Success
end
puts "Aborted!".colorize.red if aborted
puts "Finished in #{Spec.to_human(elapsed_time)}"
puts Spec.color("#{total} examples, #{failures.size} failures, #{errors.size} errors, #{pendings.size} pending", final_status)
puts Spec.color("Only running `focus: true`", :focus) if cli.focus?
unless failures_and_errors.empty?
puts
puts "Failed examples:"
puts
failures_and_errors.each do |fail|
print Spec.color("crystal spec #{Path[fail.file].relative_to(cwd)}:#{fail.line}", :error)
puts Spec.color(" # #{fail.description}", :comment)
end
end
print_order_message
end
def print_order_message
if randomizer_seed = cli.randomizer_seed
puts Spec.color("Randomized with seed: #{randomizer_seed}", :order)
end
end
def describe(description, file, line, end_line, focus, tags, &block)
cli.focus = true if focus
context = Spec::ExampleGroup.new(cli.current_context, description, file, line, end_line, focus, tags)
cli.current_context.children << context
old_context = cli.current_context
cli.current_context = context
begin
block.call
ensure
cli.current_context = old_context
end
end
def it(description, file, line, end_line, focus, tags, &block)
add_example(description, file, line, end_line, focus, tags, block)
end
def pending(description, file, line, end_line, focus, tags)
add_example(description, file, line, end_line, focus, tags, nil)
end
private def add_example(description, file, line, end_line, focus, tags, block)
check_nesting_spec(file, line) do
cli.focus = true if focus
cli.current_context.children <<
Example.new(cli.current_context, description, file, line, end_line, focus, tags, block)
end
end
@spec_nesting = false
def check_nesting_spec(file, line, &block)
raise NestingSpecError.new("Can't nest `it` or `pending`", file, line) if @spec_nesting
@spec_nesting = true
begin
yield
ensure
@spec_nesting = false
end
end
protected def around_all(&block : ExampleGroup::Procsy ->)
raise "Can't call `around_all` outside of a describe/context"
end
end
# Represents a `describe` or `context`.
class ExampleGroup < Context
include Item
def initialize(@parent : Context, @description : String,
@file : String, @line : Int32, @end_line : Int32,
@focus : Bool, tags)
initialize_tags(tags)
end
# :nodoc:
def cli : CLI
@parent.cli
end
# :nodoc:
def run
cli.formatters.each(&.push(self))
ran = run_around_all_hooks(ExampleGroup::Procsy.new(self) { internal_run })
ran || internal_run
cli.formatters.each(&.pop)
end
protected def report(status : Status, description, file, line, elapsed = nil, ex = nil)
parent.report status, "#{@description} #{description}", file, line, elapsed, ex
end
protected def run_before_each_hooks
@parent.run_before_each_hooks
super
end
protected def run_after_each_hooks
super
@parent.run_after_each_hooks
end
protected def run_around_each_hooks(procsy : Example::Procsy) : Bool
ran = @parent.run_around_each_hooks(Example::Procsy.new(procsy.example) do
if @around_each
# If we have around callbacks we execute them, and it will
# eventually run the example
internal_run_around_each_hooks(procsy)
else
# Otherwise we have to run the example now, because the parent
# around hooks won't run it
procsy.run
end
end)
ran || internal_run_around_each_hooks(procsy)
end
end
end
require "./example_group/procsy"