Samuel Ortiz 07ccda3395 tests: Install CNI configuration files by default

Since we no longer fall back to the noop plugin when
CNI configuration files are missing, and since the default
sandbox_config.json test file is running without host
networking, we must install the bridge and loopback
configuration files by default for tests to pass.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

2017-04-10 17:36:34 +02:00

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OCID Integration Tests

Integration tests provide end-to-end testing of OCID.

Note that integration tests do not replace unit tests.

As a rule of thumb, code should be tested thoroughly with unit tests. Integration tests on the other hand are meant to test a specific feature end to end.

Integration tests are written in bash using the bats framework.

Running integration tests

Containerized tests

The easiest way to run integration tests is with Docker:

$ make integration

To run a single test bucket:

$ make integration TESTFLAGS="runtimeversion.bats"

On your host

To run the integration tests on your host, you will first need to setup a development environment plus bats For example:

$ cd ~/go/src/github.com
$ git clone https://github.com/sstephenson/bats.git
$ cd bats
$ ./install.sh /usr/local

You will also need to install the CNI plugins as the the default pod test template runs without host networking:

$ go get github.com/containernetworking/cni
$ cd "$GOPATH/src/github.com/containernetworking/cni"
$ git checkout -q d4bbce1865270cd2d2be558d6a23e63d314fe769
$ ./build.sh \
$ mkdir -p /opt/cni/bin \
$ cp bin/* /opt/cni/bin/

Then you can run the tests on your host:

$ sudo make localintegration

To run a single test bucket:

$ make localintegration TESTFLAGS="runtimeversion.bats"

Or you can just run them directly using bats

$ sudo bats test

Runtime selection

Tests on the host will run with runc as the default runtime. However you can select other OCI compatible runtimes by setting the RUNTIME environment variable.

For example one could use the Clear Containers runtime instead of runc:

make localintegration RUNTIME=cc-oci-runtime

Writing integration tests

[Helper functions] (https://github.com/kubernetes-incubator/ocid/blob/master/test/helpers.bash) are provided in order to facilitate writing tests.

#!/usr/bin/env bats

# This will load the helpers.
load helpers

# setup is called at the beginning of every test.
function setup() {
}

# teardown is called at the end of every test.
function teardown() {
	cleanup_test
}

@test "ocic runtimeversion" {
	start_ocid
	ocic runtimeversion
	[ "$status" -eq 0 ]
}

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