Added some tests and a few build17811 replays

Author: alexhanh

test_replays/build17811/1.SC2Replay

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+1.sc2replay
+Date played		20 Feb 2011 22:44:48
+Duration 			32:47
+Region/Realm 	EU
+Type					1v1 Melee Quick Match
+Map					  Lost Temple
+Gamespeed		  Faster
+Winner				Emperor (Team 1) .. reason: Boom quits
+Recorder      Boom
+Players (no observers)
+	Team 1
+	  Emperor Protoss
+	Team 2
+	  Boom Terran
+Messages (count=12):
+	Emperor [All]: hf
+	Boom [All]: HEYA
+	Boom [All]: gl hf
+	Boom [All]: sry for caps
+	Emperor [All]: ^^
+	Emperor [All]: noppe
+	Boom [All]: you greedy bastard
+	Boom [All]: ggg
+	Emperor [All]: WG
+	Boom [All]: wg? :)
+	Emperor [All]: wipe
+	Boom [All]: huh?
+
+	
+2.sc2replay
+Date played		21 Feb 2011 00:42:13
+Duration 			9:09
+Region/Realm 	EU
+Type					1v1 Custom
+Map					  Lost Temple
+Gamespeed		  Faster
+Winner				Boom (Team 1) .. reason: Laquendi quits
+Players (no observers)
+	Team 1
+	  Laquendi Protoss
+	Team 2
+		Boom Terran
+
+Messages (count=1):
+	Laquendi [All]: gg
+	
+	
+3.sc2replay
+Date played		25 Feb 2011 16:36:28
+Duration 			10:29
+Region/Realm 	EU
+Type					3v3 Melee Random Quick Match
+Map					  Monsoon
+Gamespeed		  Faster
+Winner				Team1, reason: all members of other team quit
+Players (no observers)
+	Team 1
+		Boom 			    Terran
+		Aspirates 		Terran
+		loropendejo 	Terran
+	Team 2
+		SNIPER 		Terran
+		Gogeta 		Random Terran
+		Foco			Terran
+Messages (count=25):
+	First msg:		loropendejo [Allies]: hi
+	Last msg:		  Aspirates [Allies]: all team goo

test_replays/build17811/2.SC2Replay

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+# Note: Chose pytest over unittest(2) because of cleaner and more lightweight syntax.
+# Run tests with "py.test"
+
+# TODO:
+#   - Performance tests to measure the effect of optimizations
+import os
+import pytest
+
+from sc2reader import Replay
+from sc2reader.exceptions import ParseError
+
+# Helper functions
+def sent_to_all(msg):
+    return msg.target == 0
+    
+def find(f, seq):
+    for item in seq:
+        if f(item): 
+            return item
+
+
+# Parsing should fail for an empty file.
+def test_empty():
+    # Todo: Are we happy with it raising a ValueError? Should it be rather ParseError or something else?
+    # Maybe a "production" mode would be nice to have, so that it simply returns a status of the parse without
+    # raising an exception.
+    with pytest.raises(ValueError):
+        Replay("test_replays/corrupted/empty.sc2replay")
+
+# Tests for build 17811 replays
+
+# TODO: Realm/region functionality is missing!
+def test_1():
+    replay = Replay("test_replays/build17811/1.sc2replay")
+
+    assert replay.date == "20 Feb 2011 22:44:48"
+    assert replay.length == (32, 47)
+    assert replay.map == "Lost Temple"
+    assert replay.build == 17811
+    assert replay.releaseString == "1.2.2.17811"
+    assert replay.speed == "Faster"
+    assert replay.type == "1v1"
+
+    assert len(replay.players) == 2
+    emperor = find(lambda player: player.name == "Emperor", replay.players)
+    assert emperor.team == 1
+    assert emperor.race == "Protoss"
+    assert emperor.recorder == False
+
+    boom = find(lambda player: player.name == "Boom", replay.players)
+    assert boom.team == 2
+    assert boom.race == "Terran"
+    assert boom.recorder == True
+
+    for player in replay.players:
+        assert player.type == "Human"
+        
+    # Because it is a 1v1 and the recording player quit, we should know the winner.
+    assert emperor.result == "Win"
+    assert boom.result == "Lost"
+
+    assert emperor.url == "http://eu.battle.net/sc2/en/profile/520049/1/Emperor/"
+    assert boom.url == "http://eu.battle.net/sc2/en/profile/1694745/1/Boom/"
+
+    assert len(replay.messages) == 12
+    assert find(lambda player: player.pid == replay.messages[0].player, replay.players).name == "Emperor"
+    assert replay.messages[0].text == "hf"
+    assert replay.messages[1].text == "HEYA"
+    assert replay.messages[2].text == "gl hf"
+    assert replay.messages[3].text == "sry for caps"
+    assert replay.messages[4].text == "^^"
+    assert replay.messages[5].text == "noppe"
+    assert replay.messages[6].text == "you greedy bastard"
+    assert replay.messages[7].text == "ggg"
+    assert replay.messages[8].text == "WG"
+    assert replay.messages[9].text == "wg? :)"
+    assert replay.messages[10].text == "wipe"
+    assert replay.messages[11].text == "huh?"
+    assert find(lambda player: player.pid == replay.messages[11].player, replay.players).name == "Boom"
+    
+    for msg in replay.messages:
+        assert sent_to_all(msg) == true