ci: switch from travis to github actions (#7)

also test on php from 7.0 to 7.4

.github/workflows/integrate.yaml

@@ -0,0 +1,117 @@
+# https://docs.github.com/en/actions
+
+name: "Integrate"
+
+on:
+  pull_request: null
+  push:
+    branches:
+      - "master"
+
+env:
+  PHP_EXTENSIONS: "curl, dom, json, simplexml, tokenizer, xmlwriter"
+
+jobs:
+  static-code-analysis:
+    name: "Static Code Analysis"
+
+    runs-on: "ubuntu-latest"
+
+    strategy:
+      matrix:
+        php-version:
+          - "7.3"
+
+        dependencies:
+          - "locked"
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v2.3.4"
+
+      - name: "Install PHP with extensions"
+        uses: "shivammathur/setup-php@2.10.0"
+        with:
+          coverage: "none"
+          extensions: "${{ env.PHP_EXTENSIONS }}"
+          php-version: "${{ matrix.php-version }}"
+          tools: "composer:v1"
+
+      - name: "Install ${{ matrix.dependencies }} dependencies with composer"
+        uses: "ramsey/composer-install@1.3.0"
+        with:
+          dependency-versions: "${{ matrix.dependencies }}"
+
+      - name: "Create cache directory for vimeo/psalm"
+        run: "mkdir -p build/psalm"
+
+      - name: "Cache cache directory for vimeo/psalm"
+        uses: "actions/cache@v2.1.4"
+        with:
+          path: "build/psalm"
+          key: "php-${{ matrix.php-version }}-psalm-${{ github.sha }}"
+          restore-keys: "php-${{ matrix.php-version }}-psalm-"
+
+      - name: "Run vimeo/psalm"
+        run: "bin/psalm --config=psalm.xml --diff --show-info=false --stats --threads=4"
+
+  tests:
+    name: "Tests"
+
+    runs-on: "ubuntu-latest"
+
+    strategy:
+      matrix:
+        php-version:
+          - "7.0"
+          - "7.1"
+          - "7.2"
+          - "7.3"
+          - "7.4"
+
+        dependencies:
+          - "lowest"
+          - "locked"
+          - "highest"
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v2.3.4"
+
+      - name: "Install PHP with extensions"
+        uses: "shivammathur/setup-php@2.10.0"
+        with:
+          coverage: "xdebug"
+          extensions: "${{ env.PHP_EXTENSIONS }}"
+          php-version: "${{ matrix.php-version }}"
+          tools: "composer:v1"
+
+      - name: "Install ${{ matrix.dependencies }} dependencies with composer"
+        uses: "ramsey/composer-install@1.3.0"
+        with:
+          dependency-versions: "${{ matrix.dependencies }}"
+
+      - name: "Run specification tests phpspec/phpspec"
+        run: "bin/phpspec run --config=phpspec.yml"
+
+      - name: "Collect the test coverage report using php-coveralls/php-coveralls"
+        env:
+          COVERALLS_REPO_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+          COVERALLS_PARALLEL: true
+          COVERALLS_FLAG_NAME: "${{ github.job }}-PHP-${{ matrix.php-version }} ${{ matrix.dependencies }}"
+        run: "bin/php-coveralls -v"
+
+  code-coverage:
+    name: "Code Coverage"
+
+    needs:
+      - "tests"
+
+    runs-on: "ubuntu-latest"
+
+    steps:
+      - name: "Send code coverage report to Coveralls"
+        uses: "coverallsapp/github-action@v1.1.2"
+        with:
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+          parallel-finished: true

.gitignore

@@ -1,2 +1,3 @@
+/build/
 vendor
 bin

composer.json

@@ -21,13 +21,13 @@
         }
     ],
     "require": {
-        "prewk/result": "*",
+        "prewk/result": ">= 1.2.0",
         "php": ">=7.0"
     },
     "require-dev": {
-        "phpspec/phpspec": "^3.2",
-        "leanphp/phpspec-code-coverage": "^3.1",
-        "satooshi/php-coveralls": "^1.0",
-        "vimeo/psalm": "^3.2"
+        "phpspec/phpspec": "^3.4.3",
+        "leanphp/phpspec-code-coverage": "^3.1.1",
+        "php-coveralls/php-coveralls": "^2.4.3",
+        "vimeo/psalm": "^3.2.12"
     }
 }