Class: Probatio::Context

Inherits:
Object
  • Object
show all
Includes:
Helpers, Waiters
Defined in:
lib/probatio/assertions.rb,
lib/probatio.rb,
lib/probatio/helpers.rb,
lib/probatio/waiters.rb

Overview

probatio/assertions.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Waiters

#monow, #wait_until

Methods included from Helpers

#beep

Constructor Details

#initialize(group, test) ⇒ Context

Returns a new instance of Context.



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# File 'lib/probatio.rb', line 677

def initialize(group, test)

  @__group = group
  @__test = test

  group.context.each { |k, v| instance_variable_set(k, v) }
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args, &block) ⇒ Object

Checks whether its “_assert_something”, if that’s the case, just flags the assertion as :pending an moves on



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# File 'lib/probatio/assertions.rb', line 183

def method_missing(name, *args, &block)

  n = name.to_s

  if n.start_with?('_assert') && self.respond_to?(n[1..-1])

    Probatio.despatch(:assertion_pending, self, @__child)

    :pending

  else

    super
  end
end

Instance Attribute Details

#__group ⇒ Object (readonly)

Returns the value of attribute __group.



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# File 'lib/probatio.rb', line 674

def __group
  @__group
end

#__test ⇒ Object (readonly)

Returns the value of attribute __test.



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# File 'lib/probatio.rb', line 675

def __test
  @__test
end

Instance Method Details

#__group_name ⇒ Object 



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# File 'lib/probatio.rb', line 693

def __group_name; @__group.name; end

#__test_name ⇒ Object 



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# File 'lib/probatio.rb', line 692

def __test_name; @__test.name; end

#assert(*as) ⇒ Object

Jack of all trade assert



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# File 'lib/probatio/assertions.rb', line 201

def assert(*as)

  count = {
    rexes: 0, hashes: 0, arrays: 0, strings: 0, scalars: 0, others: 0 }

  as.each { |a|
    k =
      case a
      when Regexp then :rexes
      when Hash then :hashes
      when Array then :arrays
      when String then :strings
      else :others; end
    count[k] = count[k] + 1
    count[:scalars] += 1 if %i[ rexes strings ].include?(k) }

  if as.length == 1 && count[:hashes] == 1

    assert_hashy(*as)

  elsif as.length == 1

    assert_truthy(*as)

  elsif count[:rexes] == 1 && count[:strings] == as.length - 1

    assert_match(*as)

  #elsif count[:arrays] > 0
  #  assert_include(*as)

  else

    assert_equal(*as)
  end
end

#assert_any(*as) ⇒ Object 



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# File 'lib/probatio/assertions.rb', line 42

def assert_any(*as)

  do_assert(as, 'any') { |a| a.respond_to?(:size) && a.size > 0 }
end

#assert_empty(*as) ⇒ Object 



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# File 'lib/probatio/assertions.rb', line 47

def assert_empty(*as)

  do_assert(as, 'empty') { |a| a.respond_to?(:size) && a.size == 0 }
end

#assert_end_with(*as) ⇒ Object 



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# File 'lib/probatio/assertions.rb', line 77

def assert_end_with(*as)

  fail ArgumentError.new(
    "assert_end_with expects strings, not #{x.inspect}") \
      if as.find { |a| ! a.is_a?(String) }

  sta = as.inject { |s, a| s.length < a.length ? s : a }

  do_assert(as.filter { |a| a != sta }, 'ending with') { |a|
    a.end_with?(sta) }
end

#assert_equal(*as) ⇒ Object 



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# File 'lib/probatio/assertions.rb', line 52

def assert_equal(*as)

  do_assert(as, 'equal') { |a| a == as[0] }
end

#assert_error(*as, &block) ⇒ Object 



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# File 'lib/probatio/assertions.rb', line 128

def assert_error(*as, &block)

  block = block || as.find { |a| a.is_a?(Proc) }
  as.delete(block)

  fail ArgumentError.new("assert_error expects a block or a proc") \
    unless block

  err = nil;
    begin; block.call; rescue => err; end

  return "no error raised" unless err.is_a?(StandardError)

  s = nil

  as.each do |a|

    s ||=
      case a
      when String
        if err.message != a
          msg = err.message.sub(/\s*Did you mean\?.+/, '')
          "error message #{msg.inspect} is not #{a.inspect}"
        else
          nil
        end
      when Regexp
        ! err.message.match(a) ?
          "error message #{err.message} did not match #{a.inspect}" : nil
      when Module
        ! err.is_a?(a) ?
          "error is of class #{err.class} not #{a.name}" : nil
      else
        fail ArgumentError.new("assert_error cannot fathom #{a.inspect}")
      end
  end

  do_assert_(as) { s }
end

#assert_false(*as) ⇒ Object 



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# File 'lib/probatio/assertions.rb', line 37

def assert_false(*as)

  do_assert(as, 'false') { |a| a == false }
end

#assert_falsey(*as) ⇒ Object Also known as: assert_falsy, assert_falseish 



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# File 'lib/probatio/assertions.rb', line 25

def assert_falsey(*as)

  do_assert(as, 'falsey') { |a| ! a }
end

#assert_hashy(*as) ⇒ Object 



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# File 'lib/probatio/assertions.rb', line 114

def assert_hashy(*as)

  do_assert(as[0].to_a, 'hashy equal') { |k, v| k == v }
end

#assert_include(*as) ⇒ Object 



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# File 'lib/probatio/assertions.rb', line 89

def assert_include(*as)

  ai =
    as.index { |a| a.is_a?(Array) } ||
    fail(ArgumentError.new("assert_include found no array"))

  arr = as.delete_at(ai)

  do_assert(as, 'included') { |e| arr.include?(e) }
end

#assert_instance_of(*as) ⇒ Object Also known as: assert_is_a 



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# File 'lib/probatio/assertions.rb', line 119

def assert_instance_of(*as)

  moc = as.find { |a| a.is_a?(Module) }
  as.delete(moc)

  do_assert(as, 'instance of') { |e| e.is_a?(moc) }
end

#assert_match(*as) ⇒ Object 



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# File 'lib/probatio/assertions.rb', line 57

def assert_match(*as)

  strings, others = as.partition { |a| a.is_a?(String) }
  rex = others.find { |o| o.is_a?(Regexp) } || strings.pop

  do_assert(strings, 'matched') { |s| s.match?(rex) }
end

#assert_nil(*as) ⇒ Object

Beware: ws.any? returns false when ws == [ false ]



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# File 'lib/probatio/assertions.rb', line 9

def assert_nil(*as)

  do_assert(as, 'nil') { |a| a == nil }
end

#assert_not_error(*as, &block) ⇒ Object Also known as: assert_no_error 



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# File 'lib/probatio/assertions.rb', line 168

def assert_not_error(*as, &block)

  block = block || as.find { |a| a.is_a?(Proc) }

  err = nil;
    begin; block.call; rescue => err; end

  do_assert_([]) {
    err && "no error expected but returned #{err.class} #{err.name}" }
end

#assert_not_nil(*as) ⇒ Object 



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# File 'lib/probatio/assertions.rb', line 14

def assert_not_nil(*as)

  do_assert(as, 'not nil') { |a| a != nil }
end

#assert_size(*as) ⇒ Object Also known as: assert_count 



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# File 'lib/probatio/assertions.rb', line 100

def assert_size(*as)

  ai =
    as.index { |a| a.is_a?(Integer) && a >= 0 } ||
    fail(ArgumentError.new("assert_size found no integer >= 0"))

  sz = as.delete_at(ai)

  as = as.collect { |a| a.respond_to?(:size) ? a.size : a.class }

  do_assert(as, "size #{sz}") { |a| a == sz }
end

#assert_start_with(*as) ⇒ Object 



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# File 'lib/probatio/assertions.rb', line 65

def assert_start_with(*as)

  fail ArgumentError.new(
    "assert_start_with expects strings, not #{x.inspect}") \
      if as.find { |a| ! a.is_a?(String) }

  sta = as.inject { |s, a| s.length < a.length ? s : a }

  do_assert(as.filter { |a| a != sta }, 'starting with') { |a|
    a.start_with?(sta) }
end

#assert_true(*as) ⇒ Object 



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# File 'lib/probatio/assertions.rb', line 32

def assert_true(*as)

  do_assert(as, 'true') { |a| a == true }
end

#assert_truthy(*as) ⇒ Object Also known as: assert_trueish 



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# File 'lib/probatio/assertions.rb', line 19

def assert_truthy(*as)

  do_assert(as, 'truthy') { |a| !! a }
end

#block ⇒ Object 



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# File 'lib/probatio.rb', line 685

def block; @__block; end

#run(run_opts) ⇒ Object 



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# File 'lib/probatio.rb', line 687

def run(run_opts)

  _run(@__group.arounds + [ :do_run ], run_opts)
end