ruby - space-age

ruby/space-age/space_age_test.rb

@@ -0,0 +1,58 @@
+require 'minitest/autorun'
+require_relative 'space_age'
+
+# Common test data version: 1.1.0 8d4df79
+class SpaceAgeTest < Minitest::Test
+  # assert_in_delta will pass if the difference
+  # between the values being compared is less
+  # than the allowed delta
+  DELTA = 0.01
+
+  def test_age_on_earth
+    # skip
+    age = SpaceAge.new(1_000_000_000)
+    assert_in_delta 31.69, age.on_earth, DELTA
+  end
+
+  def test_age_on_mercury
+    # skip
+    age = SpaceAge.new(2_134_835_688)
+    assert_in_delta 280.88, age.on_mercury, DELTA
+  end
+
+  def test_age_on_venus
+    # skip
+    age = SpaceAge.new(189_839_836)
+    assert_in_delta 9.78, age.on_venus, DELTA
+  end
+
+  def test_age_on_mars
+    # skip
+    age = SpaceAge.new(2_329_871_239)
+    assert_in_delta 39.25, age.on_mars, DELTA
+  end
+
+  def test_age_on_jupiter
+    # skip
+    age = SpaceAge.new(901_876_382)
+    assert_in_delta 2.41, age.on_jupiter, DELTA
+  end
+
+  def test_age_on_saturn
+    # skip
+    age = SpaceAge.new(3_000_000_000)
+    assert_in_delta 3.23, age.on_saturn, DELTA
+  end
+
+  def test_age_on_uranus
+    # skip
+    age = SpaceAge.new(3_210_123_456)
+    assert_in_delta 1.21, age.on_uranus, DELTA
+  end
+
+  def test_age_on_neptune
+    # skip
+    age = SpaceAge.new(8_210_123_456)
+    assert_in_delta 1.58, age.on_neptune, DELTA
+  end
+end