Fix tests for Windows and add Azure Pipelines for cross platform CI

.gitattributes

@@ -0,0 +1,4 @@
+# Make sure baseline files have consistent line endings
+*.txt text eol=lf
+*.snap text eol=lf
+*.debug-check text eol=lf

azure-pipelines-tests.yml

@@ -0,0 +1,19 @@
+steps:
+- task: NodeTool@0
+  inputs:
+    versionSpec: '$(node_version)'
+  displayName: 'Install Node.js'
+
+- script: npm install -g yarn
+  displayName: 'Get yarn'
+
+- script: yarn install
+  displayName: 'yarn install'
+
+- script: yarn test
+  displayName: 'Test'
+
+- task: PublishTestResults@2
+  inputs:
+    testResultsFiles: '**/junit.xml'
+  condition: succeededOrFailed()

azure-pipelines.yml

@@ -0,0 +1,109 @@
+trigger:
+- master
+- releases/*
+
+jobs:
+
+# Build and test on Windows
+- job: Test_Windows
+  displayName: Tests on Windows Node8
+  pool:
+    vmImage: vs2017-win2016
+  variables:
+    node_version: 8.x
+    report_summaries: true
+  steps:
+  - template: azure-pipelines-tests.yml
+
+# Build and test on macOS
+- job: Test_macOS
+  displayName: Tests on macOS Node8
+  pool:
+    vmImage: macos-10.13
+  variables:
+    node_version: 8.x
+    report_summaries: true
+  steps:
+  - template: azure-pipelines-tests.yml
+
+# Test on Linux
+- job: Test_Linux
+  displayName: Run tests
+  pool:
+    vmImage: 'Ubuntu 16.04'
+  strategy:
+    matrix:
+      Node8:
+        node_version: '8.x'
+      Node11:
+        node_version: '11.x'
+  variables:
+    report_summaries: true
+  steps:
+  - template: azure-pipelines-tests.yml
+
+# Test production bundle on Linux using Node 4
+- job: Prod_Linux
+  displayName: Test production bundle on Linux
+  pool:
+    vmImage: 'Ubuntu 16.04'
+  strategy:
+    matrix:
+      Node4:
+        node_version: '4.x'
+      Node9:
+        node_version: '9.x'
+  steps:
+  - task: NodeTool@0
+    inputs:
+      versionSpec: '11.x'
+    displayName: 'Install Node.js'
+
+  - script: npm install -g yarn
+    displayName: 'Get yarn'
+
+  - script: yarn install
+    displayName: 'yarn install'
+
+  - script: yarn check-deps
+    displayName: 'Check dependencies'
+
+  - script: yarn build
+    displayName: 'Build'
+
+  - task: NodeTool@0
+    inputs:
+      versionSpec: '$(node_version)'
+    displayName: 'Use Node.js $(node_version)'
+
+  - script: npm install -g yarn@1.5
+    displayName: 'Get yarn compatible with node 4'
+    condition: eq(variables['node_version'], '4.x')
+
+  - script: node ./scripts/test-dist.js
+    displayName: 'Test'
+
+  - task: PublishTestResults@2
+    inputs:
+      testResultsFiles: '**/junit.xml'
+    condition: and(variables['report_summaries'], succeededOrFailed())
+
+# Lint checks on Linux
+- job: Lint_linux
+  displayName: Lint (Linux)
+  pool:
+    vmImage: 'Ubuntu 16.04'
+  steps:
+  - task: NodeTool@0
+    inputs:
+      versionSpec: '8.x'
+    displayName: 'Install Node.js'
+
+  - script: yarn install
+    displayName: 'yarn install'
+
+  - script: yarn lint
+    displayName: 'Lint code'
+
+  - script: yarn lint-docs
+    displayName: 'Lint docs'

jest.config.js

@@ -17,9 +17,13 @@ module.exports = {
     "jest-snapshot-serializer-ansi"
   ],
   testRegex: "jsfmt\\.spec\\.js$|__tests__/.*\\.js$",
-  testPathIgnorePatterns: ["tests/new_react", "tests/more_react"].concat(
-    isOldNode ? requiresPrettierInternals : []
-  ),
+  testPathIgnorePatterns: ["tests/new_react", "tests/more_react"]
+    .concat(isOldNode ? requiresPrettierInternals : [])
+    .concat(
+      require("os").EOL == "\n"
+        ? ["tests_integration/__tests__/eol-crlf.js"]
+        : ["tests_integration/__tests__/eol-lf.js"]
+    ),
   collectCoverage: ENABLE_COVERAGE,
   collectCoverageFrom: ["src/**/*.js", "index.js", "!<rootDir>/node_modules/"],
   coveragePathIgnorePatterns: [

tests_integration/__tests__/__snapshots__/config-resolution.js.snap

@@ -3,17 +3,7 @@
 exports[`CLI overrides take precedence (stderr) 1`] = `""`;
 
 exports[`CLI overrides take precedence (stdout) 1`] = `
-"function f() {/*CR*/	console.log(/*CR*/		\\"line endings should be CR\\"/*CR*/	)/*CR*/}/*CR*/function f() {/*CR*/
-	console.log(/*CR*/
-		\\"line endings should be CRLF\\"/*CR*/
-	)/*CR*/
-}/*CR*/
-function f() {
-	console.log(
-		\\"line endings should be LF\\"
-	)
-}
-function f() {
+"function f() {
 	console.log(
 		\\"should have tab width 8\\"
 	)
@@ -50,6 +40,8 @@ function js() {
 \\"use strict\\";
 
 module.exports = {
+        endOfLine:
+                \\"lf\\",
         tabWidth: 8
 };
 function noConfigJs() {
@@ -124,13 +116,7 @@ exports[`resolves configuration file with --find-config-path file (write) 1`] =
 exports[`resolves configuration from external files (stderr) 1`] = `""`;
 
 exports[`resolves configuration from external files (stdout) 1`] = `
-"function f() {/*CR*/	console.log(\\"line endings should be CR\\")/*CR*/}/*CR*/function f() {/*CR*/
-	console.log(\\"line endings should be CRLF\\")/*CR*/
-}/*CR*/
-function f() {
-	console.log(\\"line endings should be LF\\")
-}
-function f() {
+"function f() {
 	console.log(\\"should have tab width 8\\")
 }
 function f() {
@@ -153,6 +139,7 @@ function js() {
 \\"use strict\\";
 
 module.exports = {
+        endOfLine: \\"lf\\",
         tabWidth: 8
 };
 function noConfigJs() {

tests_integration/__tests__/__snapshots__/eol-crlf.js.snap

@@ -0,0 +1,62 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Has correct default Windows line endings (stderr) 1`] = `""`;
+
+exports[`Has correct default Windows line endings (stdout) 1`] = `
+"function f() {
+	console.log(\\"should have tab width 8\\")
+}
+function f() {
+  console.log(\\"should have space width 2\\")
+}
+function f() {
+        console.log(\\"should have space width 8\\")
+}
+function f() {
+  console.log(
+    \\"should have space width 2 despite ../.editorconfig specifying 8, because ./.hg is present\\"
+  )
+}
+console.log(\\"jest/__best-tests__/file.js should have semi\\");/*CR*/
+console.log(\\"jest/Component.js should not have semi\\")/*CR*/
+console.log(\\"jest/Component.test.js should have semi\\");/*CR*/
+function js() {
+        console.log(\\"js/file.js should have tab width 8 (1 if CLI)\\");
+}
+\\"use strict\\";
+
+module.exports = {
+        endOfLine: \\"lf\\",
+        tabWidth: 8
+};
+function noConfigJs() {
+  console.log(\\"no-config/file.js should have no semicolons\\")
+}
+function packageJs() {/*CR*/
+   console.log(\\"package/file.js should have tab width 3\\");/*CR*/
+}/*CR*/
+function rcJson() {/*CR*/
+  console.log.apply(null, [/*CR*/
+    'rc-json/file.js',/*CR*/
+    'should have trailing comma',/*CR*/
+    'and single quotes',/*CR*/
+  ]);/*CR*/
+}/*CR*/
+function rcToml() {/*CR*/
+  console.log.apply(null, [/*CR*/
+    'rc-toml/file.js',/*CR*/
+    'should have trailing comma',/*CR*/
+    'and single quotes',/*CR*/
+  ]);/*CR*/
+}/*CR*/
+function rcYaml() {/*CR*/
+  console.log.apply(null, [/*CR*/
+    'rc-yaml/file.js',/*CR*/
+    'should have trailing comma',/*CR*/
+    'and single quotes',/*CR*/
+  ]);/*CR*/
+}/*CR*/
+"
+`;
+
+exports[`Has correct default Windows line endings (write) 1`] = `Array []`;

tests_integration/__tests__/__snapshots__/eol-lf.js.snap

@@ -0,0 +1,62 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Has correct default Unix line endings (stderr) 1`] = `""`;
+
+exports[`Has correct default Unix line endings (stdout) 1`] = `
+"function f() {
+	console.log(\\"should have tab width 8\\")
+}
+function f() {
+  console.log(\\"should have space width 2\\")
+}
+function f() {
+        console.log(\\"should have space width 8\\")
+}
+function f() {
+  console.log(
+    \\"should have space width 2 despite ../.editorconfig specifying 8, because ./.hg is present\\"
+  )
+}
+console.log(\\"jest/__best-tests__/file.js should have semi\\");
+console.log(\\"jest/Component.js should not have semi\\")
+console.log(\\"jest/Component.test.js should have semi\\");
+function js() {
+        console.log(\\"js/file.js should have tab width 8 (1 if CLI)\\");
+}
+\\"use strict\\";
+
+module.exports = {
+        endOfLine: \\"lf\\",
+        tabWidth: 8
+};
+function noConfigJs() {
+  console.log(\\"no-config/file.js should have no semicolons\\")
+}
+function packageJs() {
+   console.log(\\"package/file.js should have tab width 3\\");
+}
+function rcJson() {
+  console.log.apply(null, [
+    'rc-json/file.js',
+    'should have trailing comma',
+    'and single quotes',
+  ]);
+}
+function rcToml() {
+  console.log.apply(null, [
+    'rc-toml/file.js',
+    'should have trailing comma',
+    'and single quotes',
+  ]);
+}
+function rcYaml() {
+  console.log.apply(null, [
+    'rc-yaml/file.js',
+    'should have trailing comma',
+    'and single quotes',
+  ]);
+}
+"
+`;
+
+exports[`Has correct default Unix line endings (write) 1`] = `Array []`;