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  1. import nilmdb
  2. from nose.tools import *
  3. from nose.tools import assert_raises
  4. import distutils.version
  5. import json
  6. import itertools
  7. import os
  8. import shutil
  9. import sys
  10. import cherrypy
  11. import threading
  12. import urllib2
  13. from urllib2 import urlopen, HTTPError
  14. import Queue
  15. import cStringIO
  16. testdb = "tests/testdb"
  17. #@atexit.register
  18. #def cleanup():
  19. # os.unlink(testdb)
  20. from test_helpers import *
  21. class Test00Nilmdb(object): # named 00 so it runs first
  22. def test_NilmDB(self):
  23. recursive_unlink(testdb)
  24. with assert_raises(IOError):
  25. nilmdb.NilmDB("/nonexistant-db/foo")
  26. db = nilmdb.NilmDB(testdb)
  27. db.close()
  28. db = nilmdb.NilmDB(testdb, sync=False)
  29. db.close()
  30. # test timer, just to get coverage
  31. capture = cStringIO.StringIO()
  32. old = sys.stdout
  33. sys.stdout = capture
  34. with nilmdb.Timer("test"):
  35. nilmdb.timer.time.sleep(0.01)
  36. sys.stdout = old
  37. in_("test: ", capture.getvalue())
  38. def test_stream(self):
  39. db = nilmdb.NilmDB(testdb, sync=False)
  40. eq_(db.stream_list(), [])
  41. # Bad path
  42. with assert_raises(ValueError):
  43. db.stream_create("foo/bar/baz", "PrepData")
  44. with assert_raises(ValueError):
  45. db.stream_create("/foo", "PrepData")
  46. # Bad layout type
  47. with assert_raises(KeyError):
  48. db.stream_create("/newton/prep", "NoSuchLayout")
  49. # Bad index columns
  50. with assert_raises(KeyError):
  51. db.stream_create("/newton/prep", "PrepData", ["nonexistant"])
  52. db.stream_create("/newton/prep", "PrepData")
  53. db.stream_create("/newton/raw", "RawData")
  54. db.stream_create("/newton/zzz/rawnotch", "RawNotchedData")
  55. # Verify we got 3 streams
  56. eq_(db.stream_list(), [ ["/newton/prep", "PrepData"],
  57. ["/newton/raw", "RawData"],
  58. ["/newton/zzz/rawnotch", "RawNotchedData"]
  59. ])
  60. # Match just one type or one path
  61. eq_(db.stream_list(layout="RawData"), [ ["/newton/raw", "RawData"] ])
  62. eq_(db.stream_list(path="/newton/raw"), [ ["/newton/raw", "RawData"] ])
  63. # Verify that columns were made right
  64. eq_(len(db.h5file.getNode("/newton/prep").cols), 9)
  65. eq_(len(db.h5file.getNode("/newton/raw").cols), 7)
  66. eq_(len(db.h5file.getNode("/newton/zzz/rawnotch").cols), 10)
  67. assert(db.h5file.getNode("/newton/prep").colindexed["timestamp"])
  68. assert(not db.h5file.getNode("/newton/prep").colindexed["p1"])
  69. # Set / get metadata
  70. eq_(db.stream_get_metadata("/newton/prep"), {})
  71. eq_(db.stream_get_metadata("/newton/raw"), {})
  72. meta1 = { "description": "The Data",
  73. "v_scale": "1.234" }
  74. meta2 = { "description": "The Data" }
  75. meta3 = { "v_scale": "1.234" }
  76. db.stream_set_metadata("/newton/prep", meta1)
  77. db.stream_update_metadata("/newton/prep", {})
  78. db.stream_update_metadata("/newton/raw", meta2)
  79. db.stream_update_metadata("/newton/raw", meta3)
  80. eq_(db.stream_get_metadata("/newton/prep"), meta1)
  81. eq_(db.stream_get_metadata("/newton/raw"), meta1)
  82. db.close()
  83. class TestBlockingServer(object):
  84. def setUp(self):
  85. self.db = nilmdb.NilmDB(testdb, sync=False)
  86. def tearDown(self):
  87. self.db.close()
  88. def test_blocking_server(self):
  89. # Start web app on a custom port
  90. self.server = nilmdb.Server(self.db, host = "127.0.0.1",
  91. port = 12380, stoppable = True)
  92. # Run it
  93. event = threading.Event()
  94. def run_server():
  95. self.server.start(blocking = True, event = event)
  96. thread = threading.Thread(target = run_server)
  97. thread.start()
  98. event.wait(timeout = 2)
  99. # Send request to exit.
  100. req = urlopen("http://127.0.0.1:12380/exit/", timeout = 1)
  101. # Wait for it
  102. thread.join()
  103. def geturl(path):
  104. req = urlopen("http://127.0.0.1:12380" + path, timeout = 10)
  105. return req.read()
  106. def getjson(path):
  107. return json.loads(geturl(path))
  108. class TestServer(object):
  109. def setUp(self):
  110. # Start web app on a custom port
  111. self.db = nilmdb.NilmDB(testdb, sync=False)
  112. self.server = nilmdb.Server(self.db, host = "127.0.0.1",
  113. port = 12380, stoppable = False)
  114. self.server.start(blocking = False)
  115. def tearDown(self):
  116. # Close web app
  117. self.server.stop()
  118. self.db.close()
  119. def test_server(self):
  120. # Make sure we can't force an exit, and test other 404 errors
  121. for url in [ "/exit", "/", "/favicon.ico" ]:
  122. with assert_raises(HTTPError) as e:
  123. geturl(url)
  124. eq_(e.exception.code, 404)
  125. # Check version
  126. eq_(distutils.version.StrictVersion(getjson("/version")),
  127. distutils.version.StrictVersion(self.server.version))
  128. def test_stream_list(self):
  129. # Known streams that got populated by an earlier test (test_nilmdb)
  130. streams = getjson("/stream/list")
  131. eq_(streams, [
  132. ['/newton/prep', 'PrepData'],
  133. ['/newton/raw', 'RawData'],
  134. ['/newton/zzz/rawnotch', 'RawNotchedData'],
  135. ])
  136. streams = getjson("/stream/list?layout=RawData")
  137. eq_(streams, [['/newton/raw', 'RawData']])
  138. streams = getjson("/stream/list?layout=NoSuchLayout")
  139. eq_(streams, [])
  140. def test_stream_metadata(self):
  141. with assert_raises(HTTPError) as e:
  142. getjson("/stream/get_metadata?path=foo")
  143. eq_(e.exception.code, 404)
  144. data = getjson("/stream/get_metadata?path=/newton/prep")
  145. eq_(data, {'description': 'The Data', 'v_scale': '1.234'})
  146. data = getjson("/stream/get_metadata?path=/newton/prep"
  147. "&key=v_scale")
  148. eq_(data, {'v_scale': '1.234'})
  149. data = getjson("/stream/get_metadata?path=/newton/prep"
  150. "&key=v_scale&key=description")
  151. eq_(data, {'description': 'The Data', 'v_scale': '1.234'})
  152. data = getjson("/stream/get_metadata?path=/newton/prep"
  153. "&key=v_scale&key=foo")
  154. eq_(data, {'foo': None, 'v_scale': '1.234'})
  155. data = getjson("/stream/get_metadata?path=/newton/prep"
  156. "&key=foo")
  157. eq_(data, {'foo': None})
  158. def test_insert(self):
  159. # GET instead of POST (no body)
  160. # (actual POST test is done by client code)
  161. with assert_raises(HTTPError) as e:
  162. getjson("/stream/insert?path=/newton/prep")
  163. eq_(e.exception.code, 400)