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convert more tests to specs
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@olbrich
olbrich committed Feb 3, 2012
1 parent 31a7f07 commit 9c38316
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Showing 2 changed files with 21 additions and 150 deletions.
17 changes: 16 additions & 1 deletion spec/ruby-units/unit_spec.rb
View file
Expand Up @@ -444,6 +444,22 @@
expect {Unit("\n")}.to raise_error(ArgumentError,"No Unit Specified")
end

specify "no double slashes" do
expect {Unit("3 s/s/ft")}.to raise_error(ArgumentError,/Unit not recognized/)
end

specify "no pipes or commas" do
expect {Unit("3 s**2|,s**2")}.to raise_error(ArgumentError,/Unit not recognized/)
end

specify "no multiple spaces" do
expect {Unit("3 s**2 4s s**2")}.to raise_error(ArgumentError,/Unit not recognized/)
end

specify "no exponentiation of numbers" do
expect {Unit("3 s 5^6")}.to raise_error(ArgumentError,/Unit not recognized/)
end

specify "no strings that don't specify a valid unit" do
expect {Unit("random string")}.to raise_error(ArgumentError,"'random string' Unit not recognized")
end
Expand Down Expand Up @@ -1275,4 +1291,3 @@
end

end

154 changes: 5 additions & 149 deletions test/test_ruby-units.rb
View file
Expand Up @@ -109,93 +109,13 @@ def test_create_from_array
def test_signature #"1 m s deg K kg A mol cd byte rad
unit1 = Unit.new("1 m*s*degK*kg*A*mol*cd*byte*rad*dollar")
assert_equal unit1.signature, (0..9).inject(0) {|product, n| product + 20**n}
end

def test_inverse
unit1 = Unit.new("1 m")
unit2 = Unit.new("1 1/m")
assert_equal unit2, unit1.inverse
assert_raises((ZeroDivisionError)) { 0.unit.inverse }
end

def test_exponentiate_positive
unit1 = Unit.new("1 mm")
unit2 = Unit.new("1 mm^2")
assert_nothing_raised {
assert_equal unit2, unit1**2
}
end

def test_exponentiate_float
unit1 = Unit.new("1 mm")
assert_raise(ArgumentError) {unit1**2.5}
end

def test_exponentiate_negative
unit1 = Unit.new("1 m")
unit2 = Unit.new("1 m^-2")
assert_nothing_raised {
assert_equal unit2, unit1**-2
}
assert_raises(ZeroDivisionError) {
"0 mm".unit**-1
}
end

def test_exponentiate_zero
unit1 = Unit.new("10 mm")
unit2 = Unit.new("1")
assert_nothing_raised {
assert_equal unit2, unit1**0
}
assert_equal 1, "0 mm".unit**0
end

def test_abs
unit1 = Unit.new("-1 mm")
assert_equal "1 mm".unit, unit1.abs
end

def test_ceil
unit1 = Unit.new("1.1 mm")
unit2 = Unit.new("2 mm")
assert_equal unit2, unit1.ceil
assert_equal(('1 mm'.unit / '1 mm'.unit).ceil, 1)
assert_equal("11 kg*m".unit, ("1003 kg*m".unit / 100).ceil)
end

def test_floor
unit1 = Unit.new("1.1 mm")
unit2 = Unit.new("1 mm")
assert_equal unit2, unit1.floor
assert_equal(('1 mm'.unit / '1 mm'.unit).floor, 1)
end

end

def test_to_int
assert_raises(RuntimeError) {Unit.new("1.1 mm").to_i}
assert_nothing_raised {Unit.new(10.5).to_i}
end

def test_truncate
unit1 = Unit.new("1.1 mm")
unit2 = Unit.new("1 mm")
assert_equal unit2, unit1.truncate
assert_equal((unit1/unit2).truncate, 1)
end

def test_round
unit1 = Unit.new("1.1 mm")
unit2 = Unit.new("1 mm")
assert_equal unit2, unit1.round
assert_equal((unit1/unit2).round, 1)
end

def test_equality
unit1 = Unit.new("1 cm")
unit2 = Unit.new("10 mm")
assert unit1 == unit2
end

def test_temperature_conversions
assert_raises(ArgumentError) { '-1 tempK'.unit}
assert_raises(ArgumentError) { '-1 tempR'.unit}
Expand Down Expand Up @@ -305,28 +225,7 @@ def test_inspect
assert_equal "1 mm", unit1.inspect
assert_not_equal "1.0 mm", unit1.inspect(:dump)
end

def test_to_f
assert_equal 1, 1.unit.to_f
assert_raises(RuntimeError) {
assert_equal 1, "1 mm".unit.to_f
}
end

def test_exponentiate_float2
assert_equal "2 m".unit, "4 m^2".unit**(0.5)
assert_raises(ArgumentError) { "1 mm".unit**(2/3)}
assert_raises(ArgumentError) { "1 mm".unit**("A")}

end

def test_range
a = Unit "1 mm"
b = Unit "3 mm"
c = (a..b).to_a
assert_equal ["1 mm".unit, "2 mm".unit, "3 mm".unit], c
end


def test_scientific
a = Unit "1e6 cells"
assert_equal 1e6, a.scalar
Expand All @@ -340,10 +239,6 @@ def test_uncertain
end
end

def test_format
assert_equal "%0.2f" % "1 mm".unit, "1.00 mm"
end

def test_bad_units
assert_raises(ArgumentError) { '1 doohickey / thingamabob'.unit}
assert_raises(ArgumentError) { '1 minimeter'.unit}
Expand All @@ -352,12 +247,7 @@ def test_bad_units
def test_currency
assert_nothing_raised {"$1".unit}
end

def test_kind
a = "1 mm".unit
assert_equal a.kind, :length
end


def test_percent
assert_nothing_raised {
"1 percent".unit
Expand All @@ -371,41 +261,13 @@ def test_percent
assert_in_delta '50 ml'.unit.scalar, c.scalar, 0.0001
end

def test_parse
assert_nothing_raised { "1 1/m".unit }
assert_raises(ArgumentError) { "3 s/s/ft".unit }
assert_raises(ArgumentError) { "3 s**2|,s**2".unit }
assert_raises(ArgumentError) { "3 s**2 4s s**2".unit }
assert_raises(ArgumentError) { "3 s 5^6".unit }
assert_raises(ArgumentError) { "".unit }
assert_raises(ArgumentError) { " ".unit }
assert_raises(ArgumentError) { "\t".unit }
assert_raises(ArgumentError) { "\t\t".unit }
assert_raises(ArgumentError) { "\n".unit }
end

def test_inline_conversions
assert_equal "60 s".unit, Unit.parse("1 min to seconds")
assert_equal "60 s".unit, Unit.parse("1 min as seconds")
assert_equal "60 s".unit, Unit.parse("1 min in seconds")
end

def test_time_conversions
today = Time.now
assert_equal today,@april_fools
last_century = today - '150 years'.unit
assert_equal last_century.to_date, DateTime.parse('1856-04-01')
end

def test_coercion
assert_nothing_raised { 1.0 * '1 mm'.unit}
assert_nothing_raised { '1 mm'.unit * 1.0}
end

def test_zero
assert_nothing_raised { Unit.new(0) }
end

def test_divide_results_in_unitless
a = '10 mg/ml'.unit
b = '10 mg/ml'.unit
Expand All @@ -418,13 +280,7 @@ def test_parse_durations
assert_equal "1:30:30".unit, "1.5 hour".unit + '30 sec'.unit
assert_equal "1:30:30,200".unit, "1.5 hour".unit + '30 sec'.unit + '200 usec'.unit
end

def test_coercion_2
a = Dummy.new
b = '1 mm'.unit
assert_equal '2 mm'.unit, b + a
end


def test_create_with_other_unit
a = '1 g'.unit
b = 0.unit(a)
Expand Down

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