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Published: Jul 16, 2020 License: Apache-2.0

README

CRIO Integration Tests

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

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/bats-core/bats-core.git
$ cd bats
$ ./install.sh /usr/local

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

$ cd "$GOPATH/src/github.com/containernetworking"
$ git clone https://github.com/containernetworking/plugins.git
$ cd plugins
$ git checkout -q dcf7368eeab15e2affc6256f0bb1e84dd46a34de
$ ./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-runtime

Writing integration tests

Helper functions 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 "crictl runtimeversion" {
	start_crio
	crictl runtimeversion
	[ "$status" -eq 0 ]
}

Directories

Path Synopsis
mocks
cmdrunner
Package cmdrunnermock is a generated GoMock package.
Package cmdrunnermock is a generated GoMock package.
containers/image/v5
Package imagetypesmock is a generated GoMock package.
Package imagetypesmock is a generated GoMock package.
containerstorage
Package containerstoragemock is a generated GoMock package.
Package containerstoragemock is a generated GoMock package.
criostorage
Package criostoragemock is a generated GoMock package.
Package criostoragemock is a generated GoMock package.
lib
Package libconfigmock is a generated GoMock package.
Package libconfigmock is a generated GoMock package.
oci
Package ocimock is a generated GoMock package.
Package ocimock is a generated GoMock package.
ocicni
Package ocicnitypesmock is a generated GoMock package.
Package ocicnitypesmock is a generated GoMock package.
sandbox
Package sandboxmock is a generated GoMock package.
Package sandboxmock is a generated GoMock package.

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