def testProviders(self):
provider = CLTool("context-provide", "--v2", "com.nokia.test",
"int","test.int","1",
"string","test.string","foobar",
"double","test.double","2.5",
"truth","test.truth","True")
provider.expect("Setting key: test.truth") # wait for it
provider.send("dump")
provider.expect("Wrote") # wait for it
listen = CLTool("context-listen", "test.double", "test.string", "test.int", "test.truth", "test.fake")
listen.expect([wanted("test.double", "double", "2.5"),
wanted("test.int", "int", "1"),
wanted("test.string", "QString", "\"foobar\""),
wanted("test.truth", "bool", "true")]) # wait for it
# test querying the provider(s)
listen.send("providers test.int")
self.assert_(
listen.expect("^providers: session:com.nokia.test@contextkit-dbus$"))
listen.send("providers test.fake")
self.assert_(
listen.expect("^providers:$"))
listen.wait()
provider.wait()
def testCommanderFunctionality(self):
provider = CLTool("context-provide", "--v2", "com.nokia.test", "int", "test.int", "42")
provider.send("dump")
self.assert_(provider.expect("Wrote")) # wait for it
listen = CLTool("context-listen", "test.int", "test.string")
listen.expect("Available commands") # wait for starting
commander = CLTool("context-provide", "--v2")
# check type-check
commander.send("add string test.int foobar")
commander.expect("Added key: test.int")
self.assert_(listen.expect("Type check failed for \"test.int\""),
"Type check didn't work")
# check the non-existent property
commander.send("add string test.string barfoo")
commander.expect("Added key: test.string")
self.assert_(listen.expect(wanted("test.string", "QString", "\"barfoo\"")),
"Non-existent property couldn't be commanded")
# change the type of the non-existent property
commander.send("add int test.string 42")
self.assert_(listen.expect(wanted("test.string", "int", "42")),
"Non-existent property's type couldn't be overwritten")
commander.wait()
listen.wait()
provider.wait()
def testTypes(self):
provider = CLTool("context-provide", "--v2", "com.nokia.test",
"int","test.int","1",
"string","test.string","foobar",
"double","test.double","2.5",
"truth","test.truth","True")
provider.expect("Setting key: test.truth") # wait for it
provider.send("dump")
provider.expect("Wrote") # wait for it
listen = CLTool("context-listen", "test.double", "test.string", "test.int", "test.truth", "test.fake")
listen.expect([wanted("test.double", "double", "2.5"),
wanted("test.int", "int", "1"),
wanted("test.string", "QString", "\"foobar\""),
wanted("test.truth", "bool", "true")]) # wait for it
# test querying the type of all properties
listen.send("type test.int")
self.assert_(
listen.expect("^type: INT$"))
listen.send("type test.truth")
self.assert_(
listen.expect("^type: TRUTH$"))
listen.send("type test.string")
self.assert_(
listen.expect("^type: STRING$"))
listen.send("type test.fake")
self.assert_(
listen.expect("^type:$"))
listen.wait()
provider.wait()
def testTwoProviders(self):
provider1 = CLTool("context-provide", "--v2","com.nokia.test",
"truth","test.truth","True")
provider1.expect("Setting key: test.truth") # wait for it
provider1.send("dump context-provide1.context")
provider1.expect("Wrote") # wait for it
provider2 = CLTool("context-provide", "--v2","com.nokia.test2",
"int","test.int","24")
provider2.expect("Setting key: test.int") # wait for it
provider2.send("dump context-provide2.context")
provider2.expect("Wrote") # wait for it
listen = CLTool("context-listen","test.int","test.truth")
listen.expect("Available commands") # wait for it
provider2.send("test.int = -68")
self.assert_(
listen.expect(wanted("test.int", "int", "-68")))
provider1.send("test.truth = False")
self.assert_(
listen.expect(wanted("test.truth", "bool", "false")))
listen.wait()
provider2.wait()
provider1.wait()
def testCommanderFunctionality(self):
provider = CLTool("context-provide", "--v2", "com.nokia.test", "int", "test.int", "42")
provider.send("dump")
provider.expect("Wrote") # wait for it
listen = CLTool("context-listen", "test.int")
self.assert_(listen.expect(wanted("test.int", "int", "42")),
"Bad value initially from the real provider, wanted 42")
commander = CLTool("context-provide", "--v2")
commander.send("add int test.int 4242")
commander.send("start")
commander.expect("Added") # wait for it
self.assert_(listen.expect(wanted("test.int", "int", "4242")),
"Value after commander has been started is wrong, wanted 4242")
commander.send("unset test.int")
listen.comment("commander commanded test.int to unknown")
self.assert_(listen.expect(wantedUnknown("test.int")),
"Value after commander has changed it to unknown is wrong")
commander.send("test.int = 1235")
self.assert_(listen.expect(wanted("test.int", "int", "1235")),
"Value after commander has changed it is wrong, wanted 1235")
commander.wait()
listen.comment("Commander killed")
self.assert_(listen.expect(wanted("test.int", "int", "42")),
"Value after killing the commander is wrong, wanted 42")
listen.wait()
provider.wait()
def testMultipleProviders(self):
"""
Description
This test verifies correct client behavior in the presence of
multiple providers.
Steps
1. starts up a client
2. starts two providers (X and Y) providing the same P property
3. X sets P to V1 and verifies that the client got it
4. Y sets P to V2 and likewise verifies in the client
5. Y sets P to NULL, the client verifies that P goes back to V1
6. Y sets P to V3, the client verifies P == V3
7. Y is removed from the registry, client verifies that P == V1
8. X is removed from the registry, client verifies that P == NULL
"""
client = CLTool("context-listen", "test.prop")
client.expect("Available commands")
provider_x = CLTool("context-provide", "--v2", "test.X",
"int", "test.prop", "44")
provider_x.send("dump x.context")
provider_x.expect("Wrote")
provider_y = CLTool("context-provide", "--v2", "test.Y",
"int", "test.prop", "22")
provider_y.send("dump y.context")
provider_y.expect("Wrote")
provider_x.send("test.prop = 55");
provider_x.expect("Setting key")
self.assert_(client.expect(wanted("test.prop", "int", "55")))
provider_y.send("test.prop = 77");
provider_y.expect("Setting key")
self.assert_(client.expect(wanted("test.prop", "int", "77")))
provider_y.send("unset test.prop");
provider_y.expect("Setting key")
self.assert_(client.expect(wanted("test.prop", "int", "55")))
provider_y.send("test.prop = 99");
provider_y.expect("Setting key")
self.assert_(client.expect(wanted("test.prop", "int", "99")))
provider_y.wait()
os.unlink("y.context")
self.assert_(client.expect(wanted("test.prop", "int", "55")))
provider_x.wait()
os.unlink("x.context")
self.assert_(client.expect(wantedUnknown("test.prop")))
client.wait()
def testPause(self):
"""
Description
A subscriber successively subscribes and unsubscribes from a property
Pre-conditions
Provider started via context-provide tool.
2 properties of data type int
Steps
Subscribe to a property
Subscriber receives updated value
Unsubscribe from the property
Subscriber does not receive updated value
Resubscribe to the property
Subscriber receives updated value
Post-conditions
Kill provider
References
None
"""
self.provider = CLTool("context-provide", "--v2","com.nokia.test",
"int","test.int","1")
self.provider.expect("Setting key: test.int") # wait for it
self.provider.send("dump")
self.provider.expect("Wrote") # wait for it
self.listen = CLTool("context-listen","test.int")
self.assert_(
self.listen.expect(wanted("test.int", "int", "1")))
self.provider.send("test.int = -5")
self.assert_(
self.listen.expect(wanted("test.int", "int", "-5")))
self.listen.send("unsubscribe test.int")
self.provider.send("test.int = 3")
self.assertFalse(
self.listen.expect(wanted("test.int", "int", "3"), wantdump=False))
self.listen.send("subscribe test.int")
self.assert_(
self.listen.expect(wanted("test.int", "int", "3")))
self.provider.send("test.int = 6")
self.assert_(
self.listen.expect(wanted("test.int", "int", "6")))
def testInfos(self):
"""
Description
Subscribe to 4 properties covering basic data types
Pre-conditions
Provider started via context-provide tool.
4 data types supported int, bool, double and string
Steps
Subscribe to the properties, int, bool, double, string
Assert the returned information for key, description and type
Post-conditions
Kill provider
References
None
"""
provider = CLTool("context-provide", "--v2", "com.nokia.test",
"int","test.int","1",
"string","test.string","foobar",
"double","test.double","2.5",
"truth","test.truth","True")
provider.expect("Setting key: test.truth") # wait for it
provider.send("dump")
provider.expect("Wrote") # wait for it
listen = CLTool("context-listen", "test.double", "test.string", "test.int", "test.truth")
listen.expect([wanted("test.double", "double", "2.5"),
wanted("test.int", "int", "1"),
wanted("test.string", "QString", "\"foobar\""),
wanted("test.truth", "bool", "true")]) # wait for it
listen.send("ikey test.int")
self.assert_(
listen.expect("^ikey: test.int$"),
"ikey didn't work")
listen.send("man test.truth")
self.assert_(
listen.expect("^man: A phony but very flexible property.$"),
"man didn't work")
listen.send("type test.truth")
self.assert_(
listen.expect("^type: TRUTH$"),
"type didn't work")
listen.wait()
provider.wait()
def testRapidChanges(self):
"""
Description
This test verifies that the subscriber library doesn't emit
unnecessary valueChanged signals (in spite of receiving multiple
D-Bus messages in the same main loop iteration).
Steps
1. starts up a provider with one property
2. starts a client, verifies that the value arrives
3. suspends the client (so it stops processing D-Bus messages)
4. sets new value for the property twice in the provider
5. resumes the client
6. verifies that the client receives only one valueChanged signal
"""
provider_fast = CLTool("context-provide", "--v2", "com.nokia.fast",
"int","test.fast","44")
provider_fast.expect("Setting key")
context_client = CLTool("context-listen", "test.fast")
self.assert_(context_client.expect(wanted("test.fast", "int", "44")),
"Bad value for the fast property, wanted 44")
context_client.suspend()
provider_fast.send("test.fast = 34")
provider_fast.expect("Setting key")
provider_fast.send("test.fast = 54")
provider_fast.expect("Setting key")
context_client.resume()
context_client.expect(wanted("test.fast", "int", "54"))
# the two value changes can happen very close in time, so we
# have to check that beyond the good value there are no other
# value(s)
if len(re.findall("test.fast =", context_client.last_output)) != 1:
context_client.printio()
self.assert_(False,
"expected a single valueChanged")
# not even after waiting one second
self.assertFalse(context_client.expect("test.fast =", wantdump = False, timeout=1),
"expected a single valueChanged")
context_client.wait()
provider_fast.wait()
def testTruthTypePermutations(self):
"""
Description
Subscribe to 4 properties covering basic data types
Pre-conditions
Provider started via context-provide tool.
4 data types supported int, bool, double and string
Steps
Subscribe to the properties, int, bool, double, string
Change property of type bool to False, None and True
Property value of type bool is updated to False, None and True
Post-conditions
Kill provider
References
None
"""
provider = CLTool("context-provide", "--v2", "com.nokia.test", "truth", "test.truth", "False")
provider.expect("Setting key: test.truth") # wait for it
provider.send("dump")
provider.expect("Wrote") # wait for it
provider.send("test.truth = False")
provider.expect("Setting") # wait for it
listen = CLTool("context-listen", "test.truth")
self.assert_(
listen.expect(wanted("test.truth", "bool", "false")),
"setting to false didn't work")
provider.send("unset test.truth")
self.assert_(
listen.expect(wantedUnknown("test.truth")),
"setting to unknown didn't work")
provider.send("test.truth = True")
self.assert_(
listen.expect(wanted("test.truth", "bool", "true")),
"setting to true didn't work")
listen.wait()
provider.wait()
def testAllDataTypes(self):
"""
Description
Subscribe to 4 properties covering basic data types
Pre-conditions
Provider started via context-provide tool.
4 data types supported int, bool, double and string
Steps
Subscribe to the properties, int, bool, double, string
Properties values
Post-conditions
Kill provider
References
None
"""
provider = CLTool("context-provide", "--v2", "com.nokia.test",
"int","test.int","1",
"string","test.string","foobar",
"double","test.double","2.5",
"truth","test.truth","True")
provider.expect("Setting key: test.truth") # wait for it
provider.send("dump")
provider.expect("Wrote") # wait for it
listen = CLTool("context-listen", "test.double", "test.string", "test.int", "test.truth")
self.assert_(
listen.expect([wanted("test.double", "double", "2.5"),
wanted("test.int", "int", "1"),
wanted("test.string", "QString", "\"foobar\""),
wanted("test.truth", "bool", "true")]),
"Actual key values pairs do not match expected")
listen.wait()
provider.wait()
def testNoCommanding(self):
# CONTEXT_COMMANDING is not set
del os.environ['CONTEXT_COMMANDING']
provider = CLTool("context-provide", "--v2", "contextkit.test", "int", "test.int", "42")
provider.send("dump")
provider.expect("Wrote") # wait for it
commander = CLTool("context-provide", "--v2")
commander.send("add int test.int 4242")
commander.send("start")
commander.expect("Added") # wait for it
os.environ["CONTEXT_CLI_IGNORE_COMMANDER"] = ""
listen = CLTool("context-listen", "test.int")
self.assert_(listen.expect(wanted("test.int", "int", "42")),
"Provider provided value is wrong")
listen.wait()
commander.wait()
provider.wait()
def testWaitForSubscribe(self):
"""
Description
Subscriber blocks until WaitForSubsciption returns
Pre-conditions
Provider started via context-provide tool.
1 data type supported int
Steps
Delete the property test.int
Delay the provider
Subscribe to the property test.int
Subscriber blocks until the subscription is complete
Post-conditions
Kill provider
References
None
"""
self.provider = CLTool("context-provide", "--v2","com.nokia.test",
"int","test.int","1")
self.provider.expect("Setting key: test.int") # wait for it
self.provider.send("dump")
self.provider.expect("Wrote") # wait for it
self.provider.send("sleep 3")
self.provider.expect("Sleep") # wait for it
self.listen = CLTool("context-listen")
self.listen.send("new test.int")
self.listen.send("waitforsubscription test.int")
expected = [wanted("test.int", "int", "1"),
"^wait finished for test.int$"]
# I don't get it quickly
self.assertFalse(
self.listen.expect(expected, wantdump=False, timeout=1))
# but get it after a while
self.assert_(self.listen.expect(expected))
def testValueChanged(self):
"""
Description
4 subscribers instantiate multiple properties of 4 basic data types
Pre-conditions
Provider started via context-provide tool.
4 data types supported int, bool, double and string
Steps
Subscribe to the properties, int, bool, double, string
Values are changed successively from the provider
Subscribers receive updated values
Post-conditions
Kill provider
References
None
"""
client1_expected = [wanted("test.double", "double", "2.5"),
wanted("test.int", "int", "1"),
wanted("test.string", "QString", "\"foobar\""),
wanted("test.truth", "bool", "true")]
client2_expected = [wanted("test.double", "double", "2.5"),
wanted("test.int", "int", "1")]
client3_expected = [wanted("test.int", "int", "1"),
wanted("test.string", "QString", "\"foobar\""),
wanted("test.truth", "bool", "true")]
client4_expected = [wanted("test.double", "double", "2.5"),
wanted("test.int", "int", "1"),
wanted("test.string", "QString", "\"foobar\"")]
self.assert_(self.context_client1.expect(client1_expected), "Actual key values pairs do not match expected")
self.assert_(self.context_client2.expect(client2_expected), "Actual key values pairs do not match expected")
self.assert_(self.context_client3.expect(client3_expected), "Actual key values pairs do not match expected")
self.assert_(self.context_client4.expect(client4_expected), "Actual key values pairs do not match expected")
self.flexiprovider.send("test.double = -5.3")
client1_expected = wanted("test.double", "double", "-5.3")
client2_expected = wanted("test.double", "double", "-5.3")
client4_expected = wanted("test.double", "double", "-5.3")
self.assert_(self.context_client1.expect(client1_expected), "Actual key values pairs do not match expected")
self.assert_(self.context_client2.expect(client2_expected), "Actual key values pairs do not match expected")
self.assert_(self.context_client4.expect(client4_expected), "Actual key values pairs do not match expected")
self.context_client3.send("type test.truth")
client3_expected = "^type: TRUTH$"
self.assert_(self.context_client3.expect(client3_expected), "Actual key values pairs do not match expected")
self.flexiprovider.send("unset test.truth")
client1_expected = wantedUnknown("test.truth")
client3_expected = wantedUnknown("test.truth")
self.assert_(self.context_client1.expect(client1_expected), "Actual key values pairs do not match expected")
self.assert_(self.context_client3.expect(client3_expected), "Actual key values pairs do not match expected")
def testInitialSubscription(self):
"""
Description
4 subscribers instantiate multiple properties of 4 basic data types
Pre-conditions
Provider started via context-provide tool.
4 data types supported int, bool, double and string
Steps
Subscribe to the properties, int, bool, double, string
Subscribers receive initial values from provider
Post-conditions
Kill provider
References
None
"""
client1_expected = [wanted("test.double", "double", "2.5"),
wanted("test.int", "int", "1"),
wanted("test.string", "QString", "\"foobar\""),
wanted("test.truth", "bool", "true")]
client2_expected = [wanted("test.double", "double", "2.5"),
wanted("test.int", "int", "1")]
client3_expected = [wanted("test.int", "int", "1"),
wanted("test.string", "QString", "\"foobar\""),
wanted("test.truth", "bool", "true")]
client4_expected = [wanted("test.double", "double", "2.5"),
wanted("test.int", "int", "1"),
wanted("test.string", "QString", "\"foobar\"")]
self.assert_(self.context_client1.expect(client1_expected), "Actual key values pairs do not match expected")
self.assert_(self.context_client2.expect(client2_expected), "Actual key values pairs do not match expected")
self.assert_(self.context_client3.expect(client3_expected), "Actual key values pairs do not match expected")
self.assert_(self.context_client4.expect(client4_expected), "Actual key values pairs do not match expected")
def testValue(self):
"""
Description
Subscribe to 4 properties covering basic data types
Query the value of the property
(when it's known or unknown, with and without a default value)
Pre-conditions
Provider started via context-provide tool.
4 data types supported int, bool, double and string
Steps
Subscribe to the properties, int, bool, double, string
Change value of type int from the provider to a known value
Query the value (both with and without a default value) and assert the result
Change value of type int from the provider to unknown
Query the value (both with and without a default value) and assert the result
Post-conditions
Kill provider
References
None
"""
provider = CLTool("context-provide", "--v2", "com.nokia.test",
"int","test.int","1",
"string","test.string","foobar",
"double","test.double","2.5",
"truth","test.truth","True")
provider.send("dump")
provider.expect("Wrote") # wait for it
listen = CLTool("context-listen", "test.double", "test.string", "test.int", "test.truth")
self.assert_(
listen.expect([wanted("test.double", "double", "2.5"),
wanted("test.int", "int", "1"),
wanted("test.string", "QString", "\"foobar\""),
wanted("test.truth", "bool", "true")]),
"Actual key values pairs do not match expected")
provider.send("test.int = 100")
listen.expect(wanted("test.int", "int", "100")) # wait for it
listen.send("value test.int")
self.assert_(
listen.expect("^value: qulonglong:100$"),
"Value command returned wrong value")
listen.send("value test.int \"defaultValue\"")
self.assert_(
listen.expect("^value: qulonglong:100$"),
"Value command returned wrong value")
provider.send("unset test.int")
listen.expect("Unknown") # wait for it
listen.send("value test.int")
self.assert_(
listen.expect("^value: Unknown$"),
"Value command returned wrong value")
listen.send("value test.int \"defaultValue\"")
self.assert_(
listen.expect("^value: QString:\"defaultValue\"$"),
"Value command returned wrong value")
listen.send("key test.int")
self.assert_(
listen.expect("^key: test.int$"),
"Key command returned wrong value")
# Because of a python threading / process / CLTool
# issue, processes need to be waited for in the
# opposite order as they are started.
listen.wait()
provider.wait()
def testAsynchronicity(self):
"""
Description
This test verifies that the asynchronicity of the subscriber
library
Pre-conditions
2 Providers started with context-provide tool.
Each provider offers one property.
1 provider is delayed (3s).
Steps
Subscribe to both properties
Verify that return values are correct
Measure the time elapsed between the reception of the 2 values.
Post-conditions
Kill providers
References
None
"""
# start the client
provider_slow = CLTool("context-provide", "--v2", "com.nokia.slow",
"int","test.slow","42")
provider_slow.expect("Setting key") # wait for it
provider_fast = CLTool("context-provide", "--v2", "com.nokia.fast",
"int","test.fast","44")
provider_fast.expect("Setting key") # wait for it
context_client = CLTool("context-listen")
context_client.expect("Available commands") # wait for it
provider_slow.comment("provider_slow sleep time started at" + str(time.time()))
provider_slow.send("sleep 3")
provider_slow.expect("Sleeping") # wait for it
context_client.send("n test.slow ; n test.fast")
# check the fast property
self.assert_(context_client.expect(wanted("test.fast", "int", "44")), # timeout == 3 seconds
"Bad value for the fast property, wanted 44")
fast_time = time.time()
context_client.comment("Fast property arrived with good value at: " + str(fast_time))
# check the slow property
self.assert_(context_client.expect(wanted("test.slow", "int", "42")), # timeout == 10 seconds max, but 5 is enough usually
"Bad value for the slow property, wanted 42")
slow_time = time.time()
context_client.comment("Slow property arrived with good value at: " + str(slow_time))
if slow_time - fast_time < 1.5:
provider_slow.printio()
context_client.printio()
self.assert_(False,
"The arrival time of the fast and slow property is not far enough from each other")
# context_client.printio()
context_client.wait()
provider_fast.wait()
provider_slow.wait()
