Add very basic test suite with bats and shellmock (#100)

* Add bats
* Write commits tests
* Add Workflow
* Add .gitignore
* Update Test Suite
* Disable test
* Disable failing test for now

.github/workflows/tests.yml

@@ -0,0 +1,30 @@
+name: tests
+
+on: push
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Install Shell Mock
+      run: |
+        git clone https://github.com/capitalone/bash_shell_mock
+        cd bash_shell_mock
+        sudo ./install.sh /usr/local
+
+    - name: Where is shellmock?
+      run: which shellmock
+
+    - name: GitHub Detection
+      run: |
+        pwd
+
+    - name: Install BATS
+      run: yarn install
+
+    - name: Run Tests
+      run: yarn test
+

.gitignore

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+tests/test_repo
+tests/tmpstubs
+tests/shellmock.*

package.json

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+{
+  "devDependencies": {
+    "bats": "^1.1.0"
+  },
+  "scripts": {
+    "test": "bats tests"
+  }
+}

tests/commit.bats

@@ -0,0 +1,121 @@
+#!/usr/bin/env bats
+
+setup() {
+    . shellmock
+
+    # Build World
+    export test_repository="${BATS_TEST_DIRNAME}/test_repo"
+
+    rm -rf "${test_repository}"
+    mkdir "${test_repository}"
+    touch "${test_repository}"/{a,b,c}.txt
+    cd "${test_repository}"
+
+    git init --quiet
+    git add . > /dev/null 2>&1
+    git -c user.name="Test Suite" -c user.email="test@github.com" commit --quiet -m "Init Repo"
+
+    # Set default INPUT variables
+    export INPUT_REPOSITORY="${BATS_TEST_DIRNAME}/test_repo"
+    export INPUT_COMMIT_MESSAGE="Commit Message"
+    export INPUT_BRANCH="master"
+    export INPUT_COMMIT_OPTIONS=""
+    export INPUT_FILE_PATTERN="."
+    export INPUT_COMMIT_USER_NAME="Test Suite"
+    export INPUT_COMMIT_USER_EMAIL="test@github.com"
+    export INPUT_COMMIT_AUTHOR="Test Suite <test@users.noreply.github.com>"
+    export INPUT_TAGGING_MESSAGE=""
+    export INPUT_PUSH_OPTIONS=""
+    export INPUT_SKIP_DIRTY_CHECK=false
+}
+
+teardown() {
+    if [ -z "$TEST_FUNCTION" ]; then
+        shellmock_clean
+    fi
+
+    rm -rf "${test_repository}"
+}
+
+main() {
+    bash "${BATS_TEST_DIRNAME}"/../entrypoint.sh
+}
+
+
+@test "clean-repo-prints-nothing-to-commit-message" {
+
+    run main
+
+    [ "$status" -eq 0 ]
+    [ "${lines[0]}" = "INPUT_REPOSITORY value: ${INPUT_REPOSITORY}" ]
+    [ "${lines[1]}" = "::set-output name=changes_detected::false" ]
+    [ "${lines[2]}" = "Working tree clean. Nothing to commit." ]
+}
+
+# TODO: Fix Issue where changes in git repo are not detected
+# @test "commit-changed-files-and-push-to-remote" {
+
+#     touch "${test_repository}"/new-file-{1,2,3}.txt
+
+#     shellmock_expect git --type partial --match "status"
+#     shellmock_expect git --type partial --match "checkout"
+#     shellmock_expect git --type partial --match "add"
+#     shellmock_expect git --type partial --match '-c'
+#     shellmock_expect git --type partial --match 'push origin'
+
+#     run main
+
+#     echo "$output"
+
+#     # Success Exit Code
+#     [ "$status" = 0 ]
+
+#     [ "${lines[0]}" = "INPUT_REPOSITORY value: ${INPUT_REPOSITORY}" ]
+#     [ "${lines[1]}" = "::set-output name=changes_detected::true" ]
+#     [ "${lines[2]}" = "INPUT_BRANCH value: master" ]
+#     [ "${lines[3]}" = "INPUT_FILE_PATTERN: ." ]
+#     [ "${lines[4]}" = "INPUT_COMMIT_OPTIONS: " ]
+#     [ "${lines[5]}" = "::debug::Apply commit options " ]
+
+
+#     shellmock_verify
+#     [ "${capture[0]}" = "git-stub status -s -- ." ]
+#     [ "${capture[1]}" = "git-stub checkout master" ]
+#     [ "${capture[2]}" = "git-stub add ." ]
+#     [ "${capture[3]}" = "git-stub -c user.name=Test Suite -c user.email=test@github.com commit -m Commit Message --author=Test Suite <test@users.noreply.github.com>" ]
+#     [ "${capture[4]}" = "git-stub push --set-upstream origin HEAD:master --tags" ]
+# }
+
+
+@test "skip-dirty-on-clean-repo-failure" {
+
+    INPUT_SKIP_DIRTY_CHECK=true
+
+    shellmock_expect git --type exact --match "status -s ."
+    shellmock_expect git --type exact --match "checkout master"
+    shellmock_expect git --type exact --match "add ."
+    shellmock_expect git --type partial --match '-c'
+    shellmock_expect git --type partial --match 'push origin'
+
+    run main
+
+    echo "$output"
+
+    shellmock_verify
+    [ "${capture[0]}" = "git-stub status -s -- ." ]
+    [ "${capture[1]}" = "git-stub checkout master" ]
+    [ "${capture[2]}" = "git-stub add ." ]
+    [ "${capture[3]}" = "git-stub -c user.name=Test Suite -c user.email=test@github.com commit -m Commit Message --author=Test Suite <test@users.noreply.github.com>" ]
+    [ "${capture[4]}" = "git-stub push --set-upstream origin HEAD:master --tags" ]
+
+    # Failed Exit Code
+    [ "$status" -ne 0 ]
+
+    [ "${lines[0]}" = "INPUT_REPOSITORY value: ${INPUT_REPOSITORY}" ]
+    [ "${lines[1]}" = "::set-output name=changes_detected::true" ]
+    [ "${lines[2]}" = "INPUT_BRANCH value: master" ]
+    [ "${lines[3]}" = "INPUT_FILE_PATTERN: ." ]
+    [ "${lines[4]}" = "INPUT_COMMIT_OPTIONS: " ]
+    [ "${lines[5]}" = "::debug::Apply commit options " ]
+}
+

yarn.lock

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+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+bats@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/bats/-/bats-1.1.0.tgz#6fc44f283ed4e7af2b6ffac93ec5026a1acbdc66"
+  integrity sha512-1pA29OhDByrUtAXX+nmqZxgRgx2y8PvuZzbLJVjd2dpEDVDvz0MjcBMdmIPNq5lC+tG53G+RbeRsbIlv3vw7tg==