spec/unit/dependency_spec.rb in librarian-0.0.25 vs spec/unit/dependency_spec.rb in librarian-0.0.26

@@ -31,6 +31,182 @@
       end
     end
 
   end
 
+  describe "#consistent_with?" do
+    def req(s) described_class::Requirement.new(s) end
+    def self.assert_consistent(a, b)
+      /^(.+):(\d+):in `(.+)'$/ =~ caller.first
+      line = $2.to_i
+
+      title = "is consistent with #{a.inspect} and #{b.inspect}"
+      module_eval <<-CODE, __FILE__, line
+        it #{title.inspect} do
+          a, b = req(#{a.inspect}), req(#{b.inspect})
+          expect(a).to be_consistent_with(b)
+          expect(a).to_not be_inconsistent_with(b)
+          expect(b).to be_consistent_with(a)
+          expect(b).to_not be_inconsistent_with(a)
+        end
+      CODE
+    end
+    def self.refute_consistent(a, b)
+      /^(.+):(\d+):in `(.+)'$/ =~ caller.first
+      line = $2.to_i
+
+      title = "is inconsistent with #{a.inspect} and #{b.inspect}"
+      module_eval <<-CODE, __FILE__, line
+        it #{title.inspect} do
+          a, b = req(#{a.inspect}), req(#{b.inspect})
+          expect(a).to_not be_consistent_with(b)
+          expect(a).to be_inconsistent_with(b)
+          expect(b).to_not be_consistent_with(a)
+          expect(b).to be_inconsistent_with(a)
+        end
+      CODE
+    end
+
+    # = =
+    assert_consistent "3", "3"
+    refute_consistent "3", "4"
+    refute_consistent "3", "0"
+    refute_consistent "0", "3"
+
+    # = !=
+    assert_consistent "3", "!= 4"
+    assert_consistent "3", "!= 0"
+    refute_consistent "3", "!= 3"
+
+    # = >
+    assert_consistent "3", "> 2"
+    refute_consistent "3", "> 3"
+    refute_consistent "3", "> 4"
+
+    # = <
+    assert_consistent "3", "< 4"
+    refute_consistent "3", "< 3"
+    refute_consistent "3", "< 2"
+
+    # = >=
+    assert_consistent "3", ">= 2"
+    assert_consistent "3", ">= 3"
+    refute_consistent "3", ">= 4"
+
+    # = <=
+    assert_consistent "3", "<= 4"
+    assert_consistent "3", "<= 3"
+    refute_consistent "3", "<= 2"
+
+    # = ~>
+    assert_consistent "3.4.1", "~> 3.4.1"
+    assert_consistent "3.4.2", "~> 3.4.1"
+    refute_consistent "3.4",   "~> 3.4.1"
+    refute_consistent "3.5",   "~> 3.4.1"
+
+    # != !=
+    assert_consistent "!= 3", "!= 3"
+    assert_consistent "!= 3", "!= 4"
+
+    # != >
+    assert_consistent "!= 3", "> 2"
+    assert_consistent "!= 3", "> 3"
+    assert_consistent "!= 3", "> 4"
+
+    # != <
+    assert_consistent "!= 3", "< 2"
+    assert_consistent "!= 3", "< 3"
+    assert_consistent "!= 3", "< 4"
+
+    # != >=
+    assert_consistent "!= 3", ">= 2"
+    assert_consistent "!= 3", ">= 3"
+    assert_consistent "!= 3", ">= 4"
+
+    # != <=
+    assert_consistent "!= 3", "<= 2"
+    assert_consistent "!= 3", "<= 3"
+    assert_consistent "!= 3", "<= 4"
+
+    # != ~>
+    assert_consistent "!= 3.4.1", "~> 3.4.1"
+    assert_consistent "!= 3.4.2", "~> 3.4.1"
+    assert_consistent "!= 3.5",   "~> 3.4.1"
+
+    # > >
+    assert_consistent "> 3", "> 2"
+    assert_consistent "> 3", "> 3"
+    assert_consistent "> 3", "> 4"
+
+    # > <
+    assert_consistent "> 3", "< 4"
+    refute_consistent "> 3", "< 3"
+    refute_consistent "> 3", "< 2"
+
+    # > >=
+    assert_consistent "> 3", ">= 2"
+    assert_consistent "> 3", ">= 3"
+    assert_consistent "> 3", ">= 4"
+
+    # > <=
+    assert_consistent "> 3", "<= 4"
+    refute_consistent "> 3", "<= 3"
+    refute_consistent "> 3", "<= 2"
+
+    # > ~>
+    assert_consistent "> 3.3",   "~> 3.4.1"
+    assert_consistent "> 3.4.1", "~> 3.4.1"
+    assert_consistent "> 3.4.2", "~> 3.4.1"
+    refute_consistent "> 3.5",   "~> 3.4.1"
+
+    # < <
+    assert_consistent "< 3", "< 2"
+    assert_consistent "< 3", "< 3"
+    assert_consistent "< 3", "< 4"
+
+    # < >=
+    assert_consistent "< 3", ">= 2"
+    refute_consistent "< 3", ">= 3"
+    refute_consistent "< 3", ">= 4"
+
+    # < <=
+    assert_consistent "< 3", "<= 2"
+    assert_consistent "< 3", "<= 3"
+    assert_consistent "< 3", "<= 4"
+
+    # >= >=
+    assert_consistent ">= 3", ">= 2"
+    assert_consistent ">= 3", ">= 3"
+    assert_consistent ">= 3", ">= 4"
+
+    # >= <=
+    assert_consistent ">= 3", "<= 4"
+    assert_consistent ">= 3", "<= 3"
+    refute_consistent ">= 3", "<= 2"
+
+    # >= ~>
+    assert_consistent ">= 3.3",   "~> 3.4.1"
+    assert_consistent ">= 3.4.1", "~> 3.4.1"
+    assert_consistent ">= 3.4.2", "~> 3.4.1"
+    refute_consistent ">= 3.5",   "~> 3.4.1"
+
+    # <= <=
+    assert_consistent "<= 3", "<= 2"
+    assert_consistent "<= 3", "<= 3"
+    assert_consistent "<= 3", "<= 4"
+
+    # <= ~>
+    assert_consistent "<= 3.5",   "~> 3.4.1"
+    assert_consistent "<= 3.4.1", "~> 3.4.1"
+    assert_consistent "<= 3.4.2", "~> 3.4.1"
+    refute_consistent "<= 3.3",   "~> 3.4.1"
+
+    # ~> ~>
+    assert_consistent "~> 3.4.1", "~> 3.4.1"
+    assert_consistent "~> 3.4.2", "~> 3.4.1"
+    assert_consistent "~> 3.3",   "~> 3.4.1"
+    refute_consistent "~> 3.3.3", "~> 3.4.1"
+    refute_consistent "~> 3.5",   "~> 3.4.1"
+    refute_consistent "~> 3.5.4", "~> 3.4.1"
+  end
+
 end