def test_config_file_with_invalid_java_max_mem_setting(self):
"""
An invalid (i.e. non-integer) java.max_mem setting in the config file
is ignored.
"""
self.prepare_config("java", {"max_mem": "NO MEMORY FOR *!#*&(^ JAVA"})
self.assertEqual(java.DEFAULT_JVM_MAX_MEM, java.get_jvm_max_mem())
def test_jvm_maxmem_without_maxmem_environ_var_but_with_param(self):
"""
If the OQ_JVM_MAXMEM environment variable is not set and the `max_mem`
parameter is passed its value should be used to determine the maximum.
"""
self.assertTrue(os.environ.get("OQ_JVM_MAXMEM") is None)
self.assertEqual(1111, java.get_jvm_max_mem(1111))
def test_jvm_maxmem_without_maxmem_environ_var_but_with_param(self):
"""
If the OQ_JVM_MAXMEM environment variable is not set and the `max_mem`
parameter is passed its value should be used to determine the maximum.
"""
self.assertTrue(os.environ.get("OQ_JVM_MAXMEM") is None)
self.assertEqual(1111, java.get_jvm_max_mem(1111))
def test_config_file_but_no_java_max_mem_setting(self):
"""
In the absence of the java.max_mem setting in the config file the
default value is used.
"""
self.prepare_config("java")
self.assertEqual(java.DEFAULT_JVM_MAX_MEM, java.get_jvm_max_mem())
def test_jvm_maxmem_passed_param_trumps_environ_var(self):
"""
If both the OQ_JVM_MAXMEM environment variable as well as the `max_mem`
parameter are present the latter wins.
"""
os.environ["OQ_JVM_MAXMEM"] = "2222"
self.assertEqual("2222", os.environ.get("OQ_JVM_MAXMEM"))
self.assertEqual(1111, java.get_jvm_max_mem(1111))
def test_jvm_maxmem_environ_var_honoured_without_param(self):
"""
The value of the OQ_JVM_MAXMEM environment variable is honoured
when no `max_mem` parameter is passed.
"""
os.environ["OQ_JVM_MAXMEM"] = "2222"
self.assertEqual("2222", os.environ.get("OQ_JVM_MAXMEM"))
self.assertEqual(2222, java.get_jvm_max_mem(None))
def test_jvm_maxmem_with_no_environ_var_and_no_param(self):
"""
If the OQ_JVM_MAXMEM environment variable is not set and the `max_mem`
parameter is not passed the default value should be used to determine
the maximum.
"""
self.assertTrue(os.environ.get("OQ_JVM_MAXMEM") is None)
self.assertEqual(java.DEFAULT_JVM_MAX_MEM, java.get_jvm_max_mem(None))
def test_jvm_maxmem_passed_param_trumps_environ_var(self):
"""
If both the OQ_JVM_MAXMEM environment variable as well as the `max_mem`
parameter are present the latter wins.
"""
os.environ["OQ_JVM_MAXMEM"] = "2222"
self.assertEqual("2222", os.environ.get("OQ_JVM_MAXMEM"))
self.assertEqual(1111, java.get_jvm_max_mem(1111))
def test_jvm_maxmem_environ_var_honoured_without_param(self):
"""
The value of the OQ_JVM_MAXMEM environment variable is honoured
when no `max_mem` parameter is passed.
"""
os.environ["OQ_JVM_MAXMEM"] = "2222"
self.assertEqual("2222", os.environ.get("OQ_JVM_MAXMEM"))
self.assertEqual(2222, java.get_jvm_max_mem(None))
def test_jvm_maxmem_with_no_environ_var_and_no_param(self):
"""
If the OQ_JVM_MAXMEM environment variable is not set and the `max_mem`
parameter is not passed the default value should be used to determine
the maximum.
"""
self.assertTrue(os.environ.get("OQ_JVM_MAXMEM") is None)
self.assertEqual(java.DEFAULT_JVM_MAX_MEM, java.get_jvm_max_mem(None))
def test_environment_var_overrides_config(self):
"""
The value of the `OQ_JVM_MAXMEM` environment variable (if set)
overrides the configuration file setting.
"""
max_mem = 654
os.environ["OQ_JVM_MAXMEM"] = str(max_mem)
self.prepare_config("java", {"max_mem": max_mem - 99})
self.assertEqual(max_mem, java.get_jvm_max_mem())
def test_default_value(self):
"""
In the absence of any other `max_mem` source get_jvm_max_mem() will
return a default value (768 MB).
"""
self.assertEqual(java.DEFAULT_JVM_MAX_MEM, java.get_jvm_max_mem())
def test_config_file_is_used(self):
"""get_jvm_max_mem() will make use of the config file when needed."""
max_mem = 321
self.prepare_config("java", {"max_mem": max_mem})
self.assertEqual(max_mem, java.get_jvm_max_mem())
