Merge pull request #18 from wtsi-hgi/feature/testing

Adds tests

.travis.yml

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+---
+
+sudo: required
+
+services:
+  - docker
+
+install:
+  - docker build -t test-runner -f Dockerfile.test .
+
+script:
+  - docker run --rm -t -v $PWD:/ansible-conda test-runner

Dockerfile.test

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+FROM ubuntu
+
+ENV DATA_DIRECTORY=/ansible-conda
+
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
+        python \
+        python-pip \
+        python-apt \
+        python-dev \
+        build-essential \
+        git \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN pip install setuptools wheel
+RUN pip install ansible==2.3.2.0
+
+ADD tests/requirements.yml /tmp/requirements.yml
+RUN ansible-galaxy install -r /tmp/requirements.yml
+
+ADD tests/requirements.txt /tmp/requirements.txt
+RUN pip install -r /tmp/requirements.txt
+
+VOLUME "${DATA_DIRECTORY}"
+
+CMD ansible-galaxy install -r "${DATA_DIRECTORY}/tests/requirements.yml" \
+        && pip install -r "${DATA_DIRECTORY}/tests/requirements.txt" \
+        && ansible-playbook -vvv -e ansible_python_interpreter=$(which python) -c local "${DATA_DIRECTORY}/tests/site.yml"

tests/defaults/main.yml

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+---
+
+conda_tests_python_version: 2
+conda_tests_anaconda_version: 4.4.0
+conda_tests_anaconda_installation_location: /tmp/install/anaconda
+conda_tests_conda_executable: "{{ conda_tests_anaconda_installation_location }}/bin/conda"

tests/library/conda.py

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+../../conda.py

tests/meta/main.yml

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+---
+
+dependencies:
+  - role: anaconda
+    vars:
+      anaconda_python_ver: "{{ conda_tests_python_version }}"
+      anaconda_ver: "{{ conda_tests_anaconda_version }}"
+      anaconda_pkg_update: no
+      anaconda_parent_dir: "{{ conda_tests_anaconda_installation_location | dirname }}"
+      anaconda_link_subdir: "{{ conda_tests_anaconda_installation_location | basename }}"

tests/requirements.txt

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+jmespath

tests/requirements.yml

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+---
+
+- name: anaconda
+  src: https://github.com/wtsi-hgi/ansible-anaconda.git
+  version: 60ac57016facaf8658437ca4700f4037b60be42e

tests/site.retry

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+localhost

tests/site.yml

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+---
+
+- hosts: localhost
+  roles:
+    - ../

tests/tasks/install.yml

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+---
+
+- name: install apt prerequisites
+  apt:
+    name: python-pip
+
+- name: install Python prerequisites
+  pip:
+    name: jmespath

tests/tasks/main.yml

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+---
+
+- include: install.yml
+- include: tear-down.yml
+
+- block:
+    - include: test-install-latest.yml
+  always:
+    - include: tear-down.yml
+
+- block:
+    - include: test-install-fixed-version.yml
+  always:
+    - include: tear-down.yml
+
+- block:
+    - include: test-upgrade.yml
+  always:
+    - include: tear-down.yml
+
+- block:
+    - include: test-downgrade.yml
+  always:
+    - include: tear-down.yml

tests/tasks/set-install-facts.yml

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+---
+
+- name: find installed Conda matching packages
+  shell: "{{ conda_tests_conda_executable }} search --json ^{{ conda_tests_install_example }}$"
+  no_log: True
+  register: installed_raw
+
+- name: filter output
+  set_fact:
+    installed: "{{ (installed_raw.stdout | from_json | json_query('%s[?installed]' % conda_tests_install_example)) }}"
+
+- name: ensure expected environment
+  assert:
+    that: installed | length <= 1
+
+- name: set install facts
+  set_fact:
+    example_package:
+      installed: "{{ installed | length != 0 }}"
+      version: "{{ installed[0].version if installed | length > 0 else False }}"

tests/tasks/tear-down.yml

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+---
+
+- name: uninstall package via Conda
+  conda:
+    name: "{{ conda_tests_install_example }}"
+    state: absent
+    executable: "{{ conda_tests_conda_executable }}"
+
+- include: set-install-facts.yml
+
+- name: verify package not installed
+  assert:
+    that: not example_package.installed

tests/tasks/test-downgrade.yml

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+---
+
+- name: install latest package via conda
+  conda:
+    name: "{{ conda_tests_install_example }}"
+    state: latest
+    executable: "{{ conda_tests_conda_executable }}"
+
+- name: install old package via conda
+  conda:
+    name: "{{ conda_tests_install_example }}"
+    version: "{{ conda_tests_old_version }}"
+    state: present
+    executable: "{{ conda_tests_conda_executable }}"
+  register: second_install
+
+- include: set-install-facts.yml
+
+- name: verify installed
+  assert:
+    that: second_install.changed
+    that: example_package.installed
+    that: example_package.version | version_compare(conda_tests_old_version, '=')

tests/tasks/test-install-fixed-version.yml

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+---
+
+- name: install package via conda
+  conda:
+    name: "{{ conda_tests_install_example }}"
+    version: "{{ conda_tests_old_version }}"
+    state: present
+    executable: "{{ conda_tests_conda_executable }}"
+  register: first_install
+
+- include: set-install-facts.yml
+
+- name: verify installed
+  assert:
+    that: first_install.changed
+    that: example_package.installed
+    that: example_package.version | version_compare(conda_tests_old_version, '=')
+
+- name: install package via conda (again)
+  conda:
+    name: "{{ conda_tests_install_example }}"
+    version: "{{ conda_tests_old_version }}"
+    state: present
+    executable: "{{ conda_tests_conda_executable }}"
+  register: second_install
+
+- name: verify idempotence
+  assert:
+    that: not second_install.changed

tests/tasks/test-install-latest.yml

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+---
+
+- name: install package via conda
+  conda:
+    name: "{{ conda_tests_install_example }}"
+    state: latest
+    executable: "{{ conda_tests_conda_executable }}"
+  register: first_install
+
+- include: set-install-facts.yml
+
+- name: verify installed
+  assert:
+    that: first_install.changed
+    that: example_package.installed
+    that: example_package.version | version_compare(conda_tests_minimum_latest_version, '>=')
+
+- name: install package via conda (again)
+  conda:
+    name: "{{ conda_tests_install_example }}"
+    state: latest
+    executable: "{{ conda_tests_conda_executable }}"
+  register: second_install
+
+- name: verify idempotence
+  assert:
+    that: not second_install.changed

tests/tasks/test-upgrade.yml

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+---
+
+- name: install old package via conda
+  conda:
+    name: "{{ conda_tests_install_example }}"
+    version: "{{ conda_tests_old_version }}"
+    state: present
+    executable: "{{ conda_tests_conda_executable }}"
+
+- name: install latest package via conda
+  conda:
+    name: "{{ conda_tests_install_example }}"
+    state: latest
+    executable: "{{ conda_tests_conda_executable }}"
+  register: second_install
+
+- include: set-install-facts.yml
+
+- name: verify installed
+  assert:
+    that: second_install.changed
+    that: example_package.installed
+    that: example_package.version | version_compare(conda_tests_minimum_latest_version, '>=')

tests/vars/main.yml

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+---
+
+# XXX: better to hit local package repository with dummy package
+conda_tests_install_example: translationstring
+conda_tests_minimum_latest_version: "1.3"
+conda_tests_old_version: "1.1"