Update for Swift 5.3 and macOS Big Sur

.github/workflows/ci.yml

@@ -7,31 +7,86 @@ on:
     branches: [main]
 
 jobs:
-  macos:
-    runs-on: macos-10.15
+  macos_big_sur:
+    runs-on: macos-11.0
+
+    strategy:
+      matrix:
+        xcode:
+          - "12.2" # Swift 5.3
+
+    name: "macOS Big Sur (Xcode ${{ matrix.xcode }})"
 
     steps:
       - name: Checkout
         uses: actions/checkout@v1
+      - uses: actions/cache@v2
+        with:
+          path: .build
+          key: ${{ runner.os }}-spm-xcode-${{ matrix.xcode }}-${{ hashFiles('**/Package.resolved') }}
+          restore-keys: |
+            ${{ runner.os }}-spm-xcode-${{ matrix.xcode }}-
       - name: Build and Test
-        run: swift test
+        run: |
+          swift test
         env:
-          DEVELOPER_DIR: /Applications/Xcode_12.app/Contents/Developer
+          DEVELOPER_DIR: /Applications/Xcode_${{ matrix.xcode }}.app/Contents/Developer
+      - name: Install and Run
+        run: |
+          make install
+          swift-highlight 'print("Hello, world!")'
 
-  linux:
-    runs-on: ubuntu-latest
+  macos_catalina:
+    runs-on: macos-10.15
 
-    container:
-      image: swift:5.3
+    strategy:
+      matrix:
+        xcode:
+          - "12" # Swift 5.3
+
+    name: "macOS Catalina (Xcode ${{ matrix.xcode }})"
 
     steps:
       - name: Checkout
         uses: actions/checkout@v1
       - uses: actions/cache@v2
         with:
           path: .build
-          key: ${{ runner.os }}-spm-${{ hashFiles('**/Package.resolved') }}
+          key: ${{ runner.os }}-spm-xcode-${{ matrix.xcode }}-${{ hashFiles('**/Package.resolved') }}
           restore-keys: |
-            ${{ runner.os }}-spm-
+            ${{ runner.os }}-spm-xcode-${{ matrix.xcode }}-
+      - name: Build and Test
+        run: |
+          swift test
+        env:
+          DEVELOPER_DIR: /Applications/Xcode_${{ matrix.xcode }}.app/Contents/Developer
+      - name: Install and Run
+        run: |
+          make install
+          swift-highlight 'print("Hello, world!")'
+        env:
+          DEVELOPER_DIR: /Applications/Xcode_${{ matrix.xcode }}.app/Contents/Developer
+
+  linux:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        swift:
+          - "5.3"
+
+    name: "Ubuntu Linux (Swift ${{ matrix.swift }})"
+
+    container:
+      image: swift:${{ matrix.swift }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v1
       - name: Build and Test
-        run: swift test
+        run: |
+          swift test --enable-test-discovery
+      - name: Install and Run
+        run: |
+          make install
+          swift-highlight 'print("Hello, world!")'

Makefile

@@ -11,29 +11,20 @@ SOURCES = $(wildcard $(srcdir)/**/*.swift)
 
 .DEFAULT_GOAL = all
 
-.PHONY: all
-all: swift-syntax-highlight
-
-swift-syntax-highlight: $(SOURCES)
+swift-highlight: $(SOURCES)
 	@swift build \
 		-c release \
 		--disable-sandbox \
 		--build-path "$(BUILDDIR)"
 
 .PHONY: install
-install: swift-syntax-highlight
-	@install -d "$(bindir)" "$(libdir)"
-	@install "$(BUILDDIR)/release/swift-syntax-highlight" "$(bindir)"
-	@install "$(BUILDDIR)/release/libSwiftSyntax.dylib" "$(libdir)"
-	@install_name_tool -change \
-		"$(BUILDDIR)/x86_64-apple-macosx10.10/release/libSwiftSyntax.dylib" \
-		"$(libdir)/libSwiftSyntax.dylib" \
-		"$(bindir)/swift-syntax-highlight"
+install: swift-highlight
+	@install -d "$(bindir)"
+	@install "$(wildcard $(BUILDDIR)/**/release/swift-highlight)" "$(bindir)"
 
 .PHONY: uninstall
 uninstall:
-	@rm -rf "$(bindir)/swift-syntax-highlight"
-	@rm -rf "$(libdir)/libSwiftSyntax.dylib"
+	@rm -rf "$(bindir)/swift-highlight"
 
 .PHONY: clean
 distclean:

Package.swift

@@ -5,6 +5,9 @@ import PackageDescription
 
 let package = Package(
     name: "SwiftSyntaxHighlighter",
+    platforms: [
+        .macOS(.v10_13)
+    ],
     products: [
         .library(
             name: "SwiftSyntaxHighlighter",

Tests/LinuxMain.swift

@@ -1,8 +1 @@
-import XCTest
-
-import SwiftSyntaxHighlighterTests
-
-var tests = [XCTestCaseEntry]()
-tests += SwiftSyntaxHighlighterTests.__allTests()
-
-XCTMain(tests)
+fatalError("Use `swift test --enable-test-discovery` to run tests")

Tests/SwiftSyntaxHighlighterTests/CommandTests.swift

@@ -1,22 +1,21 @@
 import XCTest
 import class Foundation.Bundle
 
-fileprivate let source = #"""
-let greeting = "Hello, world!"
-"""#
+#if os(macOS)
+final class CommandTests: XCTestCase {
+    let source = #"""
+    let greeting = "Hello, world!"
+    """#
 
-fileprivate let expectedOutput = #"""
-<pre class="highlight"><code><span class="keyword">let</span> <span class="variable">greeting</span> = <span class="string literal">&quot;</span><span class="string literal">Hello, world!</span><span class="string literal">&quot;</span></code></pre>
-"""#
+    let expectedOutput = #"""
+    <pre class="highlight"><code><span class="keyword">let</span> <span class="variable">greeting</span> = <span class="string literal">&quot;</span><span class="string literal">Hello, world!</span><span class="string literal">&quot;</span></code></pre>
+    """#
 
-fileprivate let expectedPygmentsOutput = #"""
-<pre class="highlight"><code><span class="kd">let</span><span class="w"> </span><span class="n">greeting</span><span class="w"> </span><span class="p">=</span><span class="w"> </span><span class="p">&quot;</span><span class="s2">Hello, world!</span><span class="p">&quot;</span></code></pre>
-"""#
+    let expectedPygmentsOutput = #"""
+    <pre class="highlight"><code><span class="kd">let</span><span class="w"> </span><span class="n">greeting</span><span class="w"> </span><span class="p">=</span><span class="w"> </span><span class="p">&quot;</span><span class="s2">Hello, world!</span><span class="p">&quot;</span></code></pre>
+    """#
 
-final class CommandTests: XCTestCase {
     func testHighlightArguments() throws {
-        guard #available(macOS 10.13, *) else { return }
-
         do {
             let output = try runCommand(arguments: source, "--scheme", "xcode")
             XCTAssertEqual(output, expectedOutput)
@@ -39,8 +38,6 @@ final class CommandTests: XCTestCase {
     }
 
     func testHighlightStandardInput() throws {
-        guard #available(macOS 10.13, *) else { return }
-
         do {
             let output = try runCommand(standardInput: source)
             XCTAssertEqual(output, expectedOutput)
@@ -57,7 +54,6 @@ final class CommandTests: XCTestCase {
         }
     }
 
-    @available(macOS 10.13, *)
     private func runCommand(arguments: String..., standardInput: String = "") throws -> String? {
         let process = Process()
         process.executableURL = executable
@@ -91,7 +87,6 @@ final class CommandTests: XCTestCase {
         return productsDirectory.appendingPathComponent("swift-highlight")
     }
 
-    /// Returns path to the built products directory.
     private var productsDirectory: URL {
       #if os(macOS)
         for bundle in Bundle.allBundles where bundle.bundlePath.hasSuffix(".xctest") {
@@ -103,3 +98,4 @@ final class CommandTests: XCTestCase {
       #endif
     }
 }
+#endif