test: add bashunit

.env

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+DEFAULT_PATH=tests

.github/CONTRIBUTIONS.md

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+# Testing
+
+Tests written in [bashunit](https://bashunit.typeddevs.com/).
+
+Install vendor dependencies:
+```bash
+./install-dependencies.sh
+```
+
+Run all tests:
+```bash
+./lib/bashunit tests
+```

.github/workflows/test.yml

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+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+name: Tests
+jobs:
+  tests:
+    name: "Run tests"
+    runs-on: 'ubuntu-latest'
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: "Install dependencies"
+        run: ./install-dependencies.sh
+
+      - name: "Tests"
+        run: ./lib/bashunit

.gitignore

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+.idea/
+
+lib/bashunit

install-dependencies.sh

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+#!/bin/bash
+
+## bashunit
+curl -s https://bashunit.typeddevs.com/install.sh | bash -s -- lib 0.10.0

tests/fixtures/test_should_ignore_files_with_regex_response

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+[
+  {
+    "filename": ".editorconfig",
+    "additions": 9,
+    "deletions": 0,
+    "changes": 9
+  },
+  {
+    "filename": ".github/workflows/ci.yml",
+    "additions": 17,
+    "deletions": 0,
+    "changes": 17
+  },
+  {
+    "filename": "asdasdasd.lock",
+    "additions": 1188,
+    "deletions": 0,
+    "changes": 1188
+  },
+  {
+    "filename": "entrypoint.sh",
+    "additions": 4,
+    "deletions": 4,
+    "changes": 8
+  },
+  {
+    "filename": "src/ensure.sh",
+    "additions": 4,
+    "deletions": 4,
+    "changes": 8
+  },
+  {
+    "filename": "src/github.sh",
+    "additions": 89,
+    "deletions": 76,
+    "changes": 165
+  },
+  {
+    "filename": "src/github_actions.sh",
+    "additions": 1,
+    "deletions": 1,
+    "changes": 2
+  },
+  {
+    "filename": "src/inner.lock",
+    "additions": 1188,
+    "deletions": 0,
+    "changes": 1188
+  },
+  {
+    "filename": "src/labeler.sh",
+    "additions": 48,
+    "deletions": 48,
+    "changes": 96
+  },
+  {
+    "filename": "src/log.sh",
+    "additions": 17,
+    "deletions": 0,
+    "changes": 17
+  },
+  {
+    "filename": "src/main.sh",
+    "additions": 34,
+    "deletions": 23,
+    "changes": 57
+  },
+  {
+    "filename": "src/misc.sh",
+    "additions": 10,
+    "deletions": 14,
+    "changes": 24
+  }
+]

tests/github_test.sh

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+#!/bin/bash
+
+function set_up() {
+  source ./src/misc.sh
+  source ./src/github.sh
+}
+
+function test_should_ignore_files_with_glob() {
+  local -r pr_number=123
+  local -r files_to_ignore=("*.lock" ".editorconfig")
+  mock curl cat ./tests/fixtures/test_should_ignore_files_with_regex_response
+
+  assert_match_snapshot "$(github::calculate_total_modifications "$pr_number" "${files_to_ignore[*]}")"
+}

tests/snapshots/github_test_sh.test_should_ignore_files_with_glob.snapshot

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+394