initial version

spec/semver_spec.lua

@@ -0,0 +1,58 @@
+local v = require 'semver'
+
+local function checkVersion(ver, major, minor, patch)
+  assert_equal(major, ver.major)
+  assert_equal(minor, ver.minor)
+  assert_equal(patch, ver.patch)
+end
+
+context('semver', function()
+
+  context('creation', function()
+
+    context('from numbers', function()
+      it('parses 3 numbers correctly', function()
+        checkVersion(v(1,2,3), 1,2,3)
+      end)
+
+      it('parses 2 numbers correctly', function()
+        checkVersion(v(1,2), 1,2,0)
+      end)
+
+      it('parses 1 number correctly', function()
+        checkVersion(v(1), 1,0,0)
+      end)
+    end)
+
+    describe("from strings", function()
+      test("1.2.3", function()
+        checkVersion( v'1.2.3', 1,2,3)
+      end)
+      test("10.20.123", function()
+        checkVersion( v'10.20.123', 10,20,123)
+      end)
+      test("2.0", function()
+        checkVersion( v'2.0', 2,0,0)
+      end)
+      test("5", function()
+        checkVersion( v'5', 5,0,0)
+      end)
+    end)
+
+    describe('errors', function()
+      it('throws an error if no parameters are passed', function()
+        assert_error(function() v() end)
+      end)
+      it('throws an error on an empty string', function()
+        assert_error(function() v("") end)
+      end)
+      it('throws an error with garbage at the beginning of the string', function()
+        assert_error(function() v("foobar1.2.3") end)
+      end)
+      it('throws an error with garbage at the end of the string', function()
+        assert_error(function() v("1.2.3foobar") end)
+      end)
+    end)
+
+  end)
+end)