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Published: Jan 11, 2019 License: Apache-2.0

README

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Test utils

Test utils provide common functions and structs for testing. It includes two structs:

  • PodmanTest: Handle the podman command and other global resources like temporary directory. It provides basic methods, like checking podman image and pod status. Test suites should create their owner test struct as a composite of PodmanTest, and their owner PodmanMakeOptions().

  • PodmanSession: Store execution session data and related methods. Such like get command output and so on. It can be used directly in the test suite, only embed it to your owner session struct if you need expend it.

Unittest for test/utils

To ensure neither tests nor utils break, There are unit-tests for each functions and structs in test/utils. When you adding functions or structs to this package, please update both unit-tests for it and this documentation.

Run unit test for test/utils

Run unit test for test/utils.

make localunit

Structure of the test utils and test suites

The test utils package is at the same level of test suites. Each test suites also have their owner common functions and structs stored in libpod_suite_test.go.

Ginkgo test framework

Ginkgo is a BDD testing framework. This allows us to use native Golang to perform our tests and there is a strong affiliation between Ginkgo and the Go test framework.

Installing dependencies

The dependencies for integration really consists of three things:

  • ginkgo binary
  • ginkgo sources
  • gomega sources

The following instructions assume your GOPATH is ~/go. Adjust as needed for your environment.

Installing ginkgo

Fetch and build ginkgo with the following command:

GOPATH=~/go go get -u github.com/onsi/ginkgo/ginkgo

Now install the ginkgo binary into your path:

install -D -m 755 "$GOPATH"/bin/ginkgo /usr/bin/

You now have a ginkgo binary and its sources in your GOPATH.

Install gomega sources

The gomega sources can be simply installed with the command:

GOPATH=~/go go get github.com/onsi/gomega/...

Integration Tests

Test suite for integration test for podman command line. It has its own structs:

  • PodmanTestIntegration: Integration test struct as a composite of PodmanTest. It set up the global options for podman command to ignore the environment influence from different test system.

  • PodmanSessionIntegration: This struct has it own methods for checking command output with given format JSON by using structs defined in inspect package.

Running the integration tests

You can run the entire suite of integration tests with the following command:

GOPATH=~/go ginkgo -v test/e2e/.

Note the trailing period on the command above. Also, -v invokes verbose mode. That switch is optional.

You can run a single file of integration tests using the go test command:

GOPATH=~/go go test -v test/e2e/libpod_suite_test.go test/e2e/config.go test/e2e/config_amd64.go test/e2e/your_test.go
Run all tests like PAPR

You can closely emulate the PAPR run for Fedora with the following command:

make integration.fedora

This will run lint, git-validation, and gofmt tests and then execute unit and integration tests as well.

Run tests in a container

In case you have issue running the tests locally on your machine, you can run them in a container:

make shell

This will run a container and give you a shell and you can follow the instructions above.

System test

System tests are used for testing the podman CLI in the context of a complete system. It requires that podman, all dependencies, and configurations are in place. The intention of system testing is to match as closely as possible with real-world user/developer use-cases and environments. The orchestration of the environments and tests is left to external tooling.

  • PodmanTestSystem: System test struct as a composite of PodmanTest. It will not add any options to the command by default. When you run system test, you can set GLOBALOPTIONS, PODMAN_SUBCMD_OPTIONS or PODMAN_BINARY in ENV to run the test suite for different test matrices.

Run system test

You can run the test with following command:

make localsystem

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