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49 changes: 30 additions & 19 deletions tests/test_docker_ip.py
Original file line number Diff line number Diff line change
Expand Up @@ -4,33 +4,44 @@
import mock
import pytest

import pytest_docker
from pytest_docker import docker_ip

IP_FIXTURE_NAME = docker_ip.__name__

def test_docker_ip_native():
environ = {}
with mock.patch('os.environ', environ):
assert docker_ip() == '127.0.0.1'

def test_docker_ip_native(monkeypatch, testdir):
monkeypatch.setenv('DOCKER_HOST', '')

def test_docker_ip_remote():
environ = {
'DOCKER_HOST': 'tcp://1.2.3.4:2376',
}
with mock.patch('os.environ', environ):
assert docker_ip() == '1.2.3.4'
testdir.makepyfile("""
def test_docker_ip(docker_ip):
assert docker_ip == '127.0.0.1'
""")

result = testdir.runpytest()
result.assert_outcomes(passed=1)

@pytest.mark.parametrize('docker_host', [
'http://1.2.3.4:2376',
])
def test_docker_ip_remote_invalid(docker_host):
environ = {
'DOCKER_HOST': docker_host,
}
with mock.patch('os.environ', environ):

def test_docker_ip_remote(testdir, monkeypatch):
monkeypatch.setenv('DOCKER_HOST', 'tcp://1.2.3.4:2376')

testdir.makepyfile("""
def test_docker_ip(docker_ip):
assert docker_ip == '1.2.3.4'
""")

result = testdir.runpytest()
result.assert_outcomes(passed=1)


def test_docker_ip_remote_invalid(monkeypatch, testdir):
monkeypatch.setenv('DOCKER_HOST', 'http://1.2.3.4:2376')

testdir.makepyfile("""
def test_docker_ip_invalid(request):
with pytest.raises(ValueError) as exc:
print(docker_ip())
request.getfixturevalue(IP_FIXTURE_NAME)
assert str(exc.value) == (
'Invalid value for DOCKER_HOST: "%s".' % (docker_host,)
)
""")