def test_start_empty(self):
"""set_envvars() sets all values on an empty dict."""
envvars = {}
set_envvars(envvars, "w", "x", "y")
self.assertEqual(
envvars, {
"FAKE_JUJU_DATA_DIR": "w",
"FAKE_JUJU_FAILURES": "x",
"FAKE_JUJU_LOGS_DIR": "y",
})
def test_minimal_args(self):
"""set_envvars() works correctly when given minimal args."""
envvars = {}
set_envvars(envvars)
self.assertEqual(
envvars, {
"FAKE_JUJU_DATA_DIR": "",
"FAKE_JUJU_FAILURES": "",
"FAKE_JUJU_LOGS_DIR": "",
})
def test_all_args(self):
"""set_envvars() works correctly when given all args."""
envvars = {}
set_envvars(envvars, "/spam", "/spam/failures", "/eggs/logsdir")
self.assertEqual(
envvars, {
"FAKE_JUJU_DATA_DIR": "/spam",
"FAKE_JUJU_FAILURES": "/spam/failures",
"FAKE_JUJU_LOGS_DIR": "/eggs/logsdir",
})
def test_no_collisions(self):
"""set_envvars() sets all values when none are set yet."""
envvars = {"SPAM": "eggs"}
set_envvars(envvars, "w", "x", "y")
self.assertEqual(
envvars, {
"SPAM": "eggs",
"FAKE_JUJU_DATA_DIR": "w",
"FAKE_JUJU_FAILURES": "x",
"FAKE_JUJU_LOGS_DIR": "y",
})
def test_empty_to_nonempty(self):
"""set_envvars() updates empty values."""
envvars = {
"FAKE_JUJU_DATA_DIR": "",
"FAKE_JUJU_FAILURES": "",
"FAKE_JUJU_LOGS_DIR": "",
}
set_envvars(envvars, "w", "x", "y")
self.assertEqual(
envvars, {
"FAKE_JUJU_DATA_DIR": "w",
"FAKE_JUJU_FAILURES": "x",
"FAKE_JUJU_LOGS_DIR": "y",
})
def test_nonempty_to_empty(self):
"""set_envvars() with no args "unsets" existing values."""
envvars = {
"FAKE_JUJU_DATA_DIR": "w",
"FAKE_JUJU_FAILURES": "x",
"FAKE_JUJU_LOGS_DIR": "y",
}
set_envvars(envvars)
self.assertEqual(
envvars, {
"FAKE_JUJU_DATA_DIR": "",
"FAKE_JUJU_FAILURES": "",
"FAKE_JUJU_LOGS_DIR": "",
})
def test_nonempty_to_nonempty(self):
"""set_envvars() overwrites existing values."""
envvars = {
"FAKE_JUJU_DATA_DIR": "spam",
"FAKE_JUJU_FAILURES": "spam",
"FAKE_JUJU_LOGS_DIR": "ham",
}
set_envvars(envvars, "w", "x", "y")
self.assertEqual(
envvars, {
"FAKE_JUJU_DATA_DIR": "w",
"FAKE_JUJU_FAILURES": "x",
"FAKE_JUJU_LOGS_DIR": "y",
})