spec/lib/aixm/xy_spec.rb in aixm-0.2.3 vs spec/lib/aixm/xy_spec.rb in aixm-0.3.0

@@ -1,38 +1,25 @@
 require_relative '../../spec_helper'
 
 describe AIXM::XY do
-  describe :initialize do
-    it "must parse valid DD" do
-      subject = AIXM.xy(lat: 11.2233, long: 22.3344)
-      subject.lat.must_equal 11.2233
-      subject.long.must_equal 22.3344
-    end
+  subject do
+    AIXM::Factory.xy
+  end
 
-    it "must parse valid DMS N/E"  do
-      subject = AIXM.xy(lat: %q(11°22'33"N), long: %q(22°33'44"E))
-      subject.lat.must_equal 11.37583333
-      subject.long.must_equal 22.56222222
+  describe :lat= do
+    it "fails on invalid values" do
+      [91, "foobar"].wont_be_written_to subject, :lat
     end
 
-    it "must parse valid DMS S/W"  do
-      subject = AIXM.xy(lat: %q(11°22'33"S), long: %q(22°33'44"W))
-      subject.lat.must_equal(-11.37583333)
-      subject.long.must_equal(-22.56222222)
+    it "parses valid DD values" do
+      subject.tap { |s| s.lat = 11.2233 }.lat.must_equal 11.2233
     end
 
-    it "won't parse invalid latitude" do
-      -> { AIXM.xy(lat: 91, long: 22.3344) }.must_raise ArgumentError
+    it "parses valid DMS values"  do
+      subject.tap { |s| s.lat = %q(11°22'33"N) }.lat.must_equal(11.37583333)
+      subject.tap { |s| s.lat = %q(11°22'33"S) }.lat.must_equal(-11.37583333)
     end
-
-    it "won't parse invalid longitude" do
-      -> { AIXM.xy(lat: 11.2233, long: 181) }.must_raise ArgumentError
-    end
-
-    it "won't parse invalid DMS" do
-      -> { AIXM.xy(lat: "foo", long: "bar") }.must_raise ArgumentError
-    end
   end
 
   describe :lat do
     context "north" do
       subject do
@@ -46,11 +33,11 @@
       it "must format AIXM correctly" do
         subject.lat(:aixm).must_equal %q(010724.24N)
       end
 
       it "must format OFM correctly" do
-        subject.lat(:ofm).must_equal '1.12340000N'
+        subject.lat(:ofmx).must_equal '01.12340000N'
       end
     end
 
     context "south" do
       subject do
@@ -64,15 +51,30 @@
       it "must format AIXM correctly" do
         subject.lat(:aixm).must_equal %q(010724.24S)
       end
 
       it "must format OFM correctly" do
-        subject.lat(:ofm).must_equal '1.12340000S'
+        subject.lat(:ofmx).must_equal '01.12340000S'
       end
     end
   end
 
+  describe :long= do
+    it "fails on invalid values" do
+      [181, "foobar"].wont_be_written_to subject, :lat
+    end
+
+    it "parses valid DD values" do
+      subject.tap { |s| s.long = 22.3344 }.long.must_equal 22.3344
+    end
+
+    it "parses valid DMS values"  do
+      subject.tap { |s| s.long = %q(22°33'44"E) }.long.must_equal(22.56222222)
+      subject.tap { |s| s.long = %q(22°33'44"W) }.long.must_equal(-22.56222222)
+    end
+  end
+
   describe :long do
     context "east" do
       subject do
         AIXM.xy(lat: 0, long: 1.1234)
       end
@@ -84,11 +86,11 @@
       it "must format AIXM correctly" do
         subject.long(:aixm).must_equal %q(0010724.24E)
       end
 
       it "must format OFM correctly" do
-        subject.long(:ofm).must_equal '1.12340000E'
+        subject.long(:ofmx).must_equal '001.12340000E'
       end
     end
 
     context "west" do
       subject do
@@ -102,21 +104,15 @@
       it "must format AIXM correctly" do
         subject.long(:aixm).must_equal %q(0010724.24W)
       end
 
       it "must format OFM correctly" do
-        subject.long(:ofm).must_equal '1.12340000W'
+        subject.long(:ofmx).must_equal '001.12340000W'
       end
     end
   end
 
-  describe :to_digest do
-    it "must return digest of payload" do
-      AIXM::Factory.xy.to_digest.must_equal 783044788
-    end
-  end
-
   describe :== do
     it "recognizes objects with identical latitude and longitude as equal" do
       a = AIXM.xy(lat: "112233N", long: "0223344E")
       b = AIXM.xy(lat: 11.37583333, long: 22.56222222)
       a.must_equal b
@@ -130,8 +126,23 @@
 
     it "recognizes objects of different class as unequal" do
       a = AIXM.xy(lat: "112233.44N", long: "0223344.55E")
       b = :oggy
       a.wont_equal b
+    end
+  end
+
+  describe :distance do
+    subject do
+      AIXM.xy(lat: %q(44°00'07.63"N), long: %q(004°45'07.81"E))
+    end
+
+    it "calculates the distance between the same point as zero" do
+      subject.distance(subject).must_equal 0
+    end
+
+    it "calculates the distance between two points correctly in meters" do
+      other = AIXM.xy(lat: %q(43°59'25.31"N), long: %q(004°45'23.24"E))
+      subject.distance(other).must_equal 1351
     end
   end
 end