From 0247081067cb7b35a343551c72b9e0e9ae3342c8 Mon Sep 17 00:00:00 2001
From: Will Smythe <wismythe@microsoft.com>
Date: Thu, 20 Dec 2018 08:43:55 -0500
Subject: [PATCH 1/6] Initial Azure Pipelines support (Linux, Windows, and
 macOS)

---
 .azure-pipelines-steps.yml | 44 ++++++++++++++++++++++++++++++++++++++
 .azure-pipelines.yml       | 38 ++++++++++++++++++++++++++++++++
 e2e/Utils.js               |  2 +-
 e2e/runJest.js             |  4 ++--
 4 files changed, 85 insertions(+), 3 deletions(-)
 create mode 100644 .azure-pipelines-steps.yml
 create mode 100644 .azure-pipelines.yml

diff --git a/.azure-pipelines-steps.yml b/.azure-pipelines-steps.yml
new file mode 100644
index 000000000000..a97cb478cb1e
--- /dev/null
+++ b/.azure-pipelines-steps.yml
@@ -0,0 +1,44 @@
+#
+# CI build and test steps. See azure-pipelines.yml for job details.
+# 
+
+steps:
+- checkout: self
+
+# Ensure Node.js 10 is active
+- task: NodeTool@0
+  inputs:
+    versionSpec: '10.x'
+  displayName: 'Use Node.js 10'
+
+# Ensure Python 2.7 is active
+- task: UsePythonVersion@0
+  inputs:
+    versionSpec: '2.7'
+  displayName: 'Use Python 2.7'
+
+# Workaround to move repo source files into a "jest" folder (see azure-pipelines.yml for details)
+- script: |
+    cd /
+    mv $(Build.Repository.LocalPath) $(JEST_DIR)
+    mkdir $(Build.Repository.LocalPath)
+  displayName: 'Move source into jest folder'
+
+# Run yarn to install dependencies and build
+- script: yarn
+  workingDirectory: $(JEST_DIR)
+  displayName: 'Install dependencies and build'
+
+# Run test-ci-partial
+- script: yarn run test-ci-partial
+  workingDirectory: $(JEST_DIR)
+  displayName: 'Run tests'
+
+# Publish CI test results
+- task: PublishTestResults@2
+  inputs:
+    testResultsFiles: '**/reports/junit/*.xml'
+    searchFolder: $(JEST_DIR)
+    testRunTitle: 'CI Tests $(Agent.OS)'
+  displayName: 'Publish test results'
+  condition: succeededOrFailed()
diff --git a/.azure-pipelines.yml b/.azure-pipelines.yml
new file mode 100644
index 000000000000..11596dedbb81
--- /dev/null
+++ b/.azure-pipelines.yml
@@ -0,0 +1,38 @@
+#
+# Azure Pipelines CI configuration for Linux, Windows, and macOS.
+#
+
+jobs:
+- job: Linux
+  pool:
+    vmImage: ubuntu-16.04  
+  steps:
+  - template: .azure-pipelines-steps.yml
+
+- job: Windows  
+  pool:
+    vmImage: vs2017-win2016  
+  steps:
+  - script: git config --global core.autocrlf false
+    displayName: 'Clone with LF preserved'
+  
+  - script: choco install hg
+    displayName: 'Install Mercurial'
+  
+  - template: .azure-pipelines-steps.yml
+
+- job: macOS
+  pool:
+    vmImage: macos-10.13
+  steps:
+  - script: brew install mercurial
+    displayName: 'Install Mercurial'    
+
+  - template: .azure-pipelines-steps.yml
+
+variables:
+  # Ensures output produced by Jest for certain tests includes ANSI escape characters (needed to match snapshots)
+  FORCE_COLOR: 1
+  # Default checkout directory is "s", but inline snapshot tests will fail due to assumption that Jest is running under a "jest" folder
+  # (see packages/jest-message-util/src/index.js PATH_JEST_PACKAGES)
+  JEST_DIR: $(Agent.BuildDirectory)/jest
\ No newline at end of file
diff --git a/e2e/Utils.js b/e2e/Utils.js
index c99ae907ce33..47dca4e0360b 100644
--- a/e2e/Utils.js
+++ b/e2e/Utils.js
@@ -137,7 +137,7 @@ export const createEmptyPackage = (
 };
 
 export const extractSummary = (stdout: string) => {
-  const match = stdout.match(
+  const match = stdout.replace(/(?:\\[rn])+/g, '\n').match(
     /Test Suites:.*\nTests.*\nSnapshots.*\nTime.*(\nRan all test suites)*.*\n*$/gm,
   );
   if (!match) {
diff --git a/e2e/runJest.js b/e2e/runJest.js
index 9095e9a54a39..3c49bfc8b383 100644
--- a/e2e/runJest.js
+++ b/e2e/runJest.js
@@ -31,7 +31,7 @@ export default function runJest(
   args?: Array<string>,
   options: RunJestOptions = {},
 ) {
-  const isRelative = dir[0] !== '/';
+  const isRelative = !path.isAbsolute(dir);
 
   if (isRelative) {
     dir = path.resolve(__dirname, dir);
@@ -101,7 +101,7 @@ export const until = async function(
   text: string,
   options: RunJestOptions = {},
 ) {
-  const isRelative = dir[0] !== '/';
+  const isRelative = !path.isAbsolute(dir);
 
   if (isRelative) {
     dir = path.resolve(__dirname, dir);

From cbd61db6a4acdb1341e3cc68a3a707e77754ea6f Mon Sep 17 00:00:00 2001
From: Kayla Ngan <kangan@microsoft.com>
Date: Thu, 27 Dec 2018 10:46:46 -0500
Subject: [PATCH 2/6] Update CHANGELOG.md

---
 CHANGELOG.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 110188111a8c..75e8894b3e4a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -154,6 +154,7 @@
 - `[docs]` Add `testPathIgnorePatterns` in CLI documentation ([#7440](https://github.com/facebook/jest/pull/7440))
 - `[docs]` Removed misleading text about `describe()` grouping together tests into a test suite ([#7434](https://github.com/facebook/jest/pull/7434))
 - `[*]` Replace as many `Object.assign` with object spread as possible
+- `[ci]` Initial support for Azure Pipelines ([#7556](https://github.com/facebook/jest/pull/7556))
 
 ### Performance
 

From d378294dd8923a3cf55873da2395266197f980e9 Mon Sep 17 00:00:00 2001
From: Will Smythe <wismythe@microsoft.com>
Date: Mon, 7 Jan 2019 11:28:47 -0500
Subject: [PATCH 3/6] Get tests to pass on Azure Pipelines

---
 .azure-pipelines.yml | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/.azure-pipelines.yml b/.azure-pipelines.yml
index 11596dedbb81..5b560a96707b 100644
--- a/.azure-pipelines.yml
+++ b/.azure-pipelines.yml
@@ -5,20 +5,20 @@
 jobs:
 - job: Linux
   pool:
-    vmImage: ubuntu-16.04  
+    vmImage: ubuntu-16.04
   steps:
   - template: .azure-pipelines-steps.yml
 
-- job: Windows  
+- job: Windows
   pool:
-    vmImage: vs2017-win2016  
+    vmImage: vs2017-win2016
+  variables:
+    VSTS_OVERWRITE_TEMP: true
   steps:
-  - script: git config --global core.autocrlf false
-    displayName: 'Clone with LF preserved'
-  
-  - script: choco install hg
-    displayName: 'Install Mercurial'
-  
+  - script: |
+      git config --global core.autocrlf false
+      git config --global core.symlinks true
+    displayName: 'Preserve LF endings and symbolic links on check out'
   - template: .azure-pipelines-steps.yml
 
 - job: macOS
@@ -26,8 +26,7 @@ jobs:
     vmImage: macos-10.13
   steps:
   - script: brew install mercurial
-    displayName: 'Install Mercurial'    
-
+    displayName: 'Install Mercurial'
   - template: .azure-pipelines-steps.yml
 
 variables:
@@ -35,4 +34,5 @@ variables:
   FORCE_COLOR: 1
   # Default checkout directory is "s", but inline snapshot tests will fail due to assumption that Jest is running under a "jest" folder
   # (see packages/jest-message-util/src/index.js PATH_JEST_PACKAGES)
-  JEST_DIR: $(Agent.BuildDirectory)/jest
\ No newline at end of file
+  JEST_DIR: $(Agent.BuildDirectory)/jest
+  CI: true

From c41ae05199f23b659938bb868cbfc77794e2f2d7 Mon Sep 17 00:00:00 2001
From: Will Smythe <wismythe@microsoft.com>
Date: Thu, 10 Jan 2019 08:09:53 -0500
Subject: [PATCH 4/6] Drop unnecessary VSTS_OVERWRITE_TEMP and fix failing
 tests. See #7598

---
 .azure-pipelines.yml                          | 4 +---
 e2e/Utils.js                                  | 8 +++++---
 e2e/__tests__/hasteMapSize.test.js            | 3 ++-
 packages/jest-cli/src/SearchSource.js         | 1 +
 packages/jest-config/src/getCacheDirectory.js | 9 +++++++--
 5 files changed, 16 insertions(+), 9 deletions(-)

diff --git a/.azure-pipelines.yml b/.azure-pipelines.yml
index 5b560a96707b..f87035abb706 100644
--- a/.azure-pipelines.yml
+++ b/.azure-pipelines.yml
@@ -12,8 +12,6 @@ jobs:
 - job: Windows
   pool:
     vmImage: vs2017-win2016
-  variables:
-    VSTS_OVERWRITE_TEMP: true
   steps:
   - script: |
       git config --global core.autocrlf false
@@ -25,7 +23,7 @@ jobs:
   pool:
     vmImage: macos-10.13
   steps:
-  - script: brew install mercurial
+  - script: HOMEBREW_NO_AUTO_UPDATE=1 brew install mercurial
     displayName: 'Install Mercurial'
   - template: .azure-pipelines-steps.yml
 
diff --git a/e2e/Utils.js b/e2e/Utils.js
index 47dca4e0360b..5588bb9d235e 100644
--- a/e2e/Utils.js
+++ b/e2e/Utils.js
@@ -137,9 +137,11 @@ export const createEmptyPackage = (
 };
 
 export const extractSummary = (stdout: string) => {
-  const match = stdout.replace(/(?:\\[rn])+/g, '\n').match(
-    /Test Suites:.*\nTests.*\nSnapshots.*\nTime.*(\nRan all test suites)*.*\n*$/gm,
-  );
+  const match = stdout
+    .replace(/(?:\\[rn])+/g, '\n')
+    .match(
+      /Test Suites:.*\nTests.*\nSnapshots.*\nTime.*(\nRan all test suites)*.*\n*$/gm,
+    );
   if (!match) {
     throw new Error(
       `
diff --git a/e2e/__tests__/hasteMapSize.test.js b/e2e/__tests__/hasteMapSize.test.js
index 8daf564d28d2..160bf08e0db6 100644
--- a/e2e/__tests__/hasteMapSize.test.js
+++ b/e2e/__tests__/hasteMapSize.test.js
@@ -13,8 +13,9 @@ import os from 'os';
 import path from 'path';
 import HasteMap from 'jest-haste-map';
 import {cleanup, writeFiles} from '../Utils';
+import {sync as realpath} from 'realpath-native';
 
-const DIR = path.resolve(os.tmpdir(), 'haste_map_size');
+const DIR = path.resolve(realpath(os.tmpdir()), 'haste_map_size');
 
 beforeEach(() => {
   cleanup(DIR);
diff --git a/packages/jest-cli/src/SearchSource.js b/packages/jest-cli/src/SearchSource.js
index 1744ef00bb2a..e3420ebe104c 100644
--- a/packages/jest-cli/src/SearchSource.js
+++ b/packages/jest-cli/src/SearchSource.js
@@ -19,6 +19,7 @@ import testPathPatternToRegExp from './testPathPatternToRegexp';
 import {escapePathForRegex} from 'jest-regex-util';
 import {replaceRootDirInPath} from 'jest-config';
 import {buildSnapshotResolver} from 'jest-snapshot';
+import {sync as realpath} from 'realpath-native';
 
 type SearchResult = {|
   noSCM?: boolean,
diff --git a/packages/jest-config/src/getCacheDirectory.js b/packages/jest-config/src/getCacheDirectory.js
index 36bae7092d15..7298a15a5465 100644
--- a/packages/jest-config/src/getCacheDirectory.js
+++ b/packages/jest-config/src/getCacheDirectory.js
@@ -10,15 +10,20 @@
 const path = require('path');
 const os = require('os');
 
+import {sync as realpath} from 'realpath-native';
+
 const getCacheDirectory = () => {
   const {getuid} = process;
   if (getuid == null) {
-    return path.join(os.tmpdir(), 'jest');
+    return path.join(realpath(os.tmpdir()), 'jest');
   }
   // On some platforms tmpdir() is `/tmp`, causing conflicts between different
   // users and permission issues. Adding an additional subdivision by UID can
   // help.
-  return path.join(os.tmpdir(), 'jest_' + getuid.call(process).toString(36));
+  return path.join(
+    realpath(os.tmpdir()),
+    'jest_' + getuid.call(process).toString(36),
+  );
 };
 
 export default getCacheDirectory;

From abf9347c2d830ddbf436f4a79eef8ff6e00997b5 Mon Sep 17 00:00:00 2001
From: Will Smythe <wismythe@microsoft.com>
Date: Fri, 11 Jan 2019 08:21:01 -0500
Subject: [PATCH 5/6] Comment cleanup; fix lint failure in
 packages/jest-cli/src/SearchSource.js

---
 .azure-pipelines-steps.yml |  5 +++--
 .azure-pipelines.yml       | 12 ++++++++----
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/.azure-pipelines-steps.yml b/.azure-pipelines-steps.yml
index a97cb478cb1e..5c170b1a2412 100644
--- a/.azure-pipelines-steps.yml
+++ b/.azure-pipelines-steps.yml
@@ -1,7 +1,8 @@
 #
-# CI build and test steps. See azure-pipelines.yml for job details.
+# Steps for building and testing Jest. See jobs defined in .azure-pipelines.yml
 # 
 
+# Clones the repo
 steps:
 - checkout: self
 
@@ -17,7 +18,7 @@ steps:
     versionSpec: '2.7'
   displayName: 'Use Python 2.7'
 
-# Workaround to move repo source files into a "jest" folder (see azure-pipelines.yml for details)
+# Workaround to move source files under a "jest" folder (see .azure-pipelines.yml for details)
 - script: |
     cd /
     mv $(Build.Repository.LocalPath) $(JEST_DIR)
diff --git a/.azure-pipelines.yml b/.azure-pipelines.yml
index f87035abb706..75a8d7b00508 100644
--- a/.azure-pipelines.yml
+++ b/.azure-pipelines.yml
@@ -1,5 +1,5 @@
 #
-# Azure Pipelines CI configuration for Linux, Windows, and macOS.
+# Azure Pipelines configuration for building and testing Jest on Linux, Windows, and macOS.
 #
 
 jobs:
@@ -23,14 +23,18 @@ jobs:
   pool:
     vmImage: macos-10.13
   steps:
+  # This step can be removed once Mercurial gets installed on the macOS image. See https://github.com/Microsoft/azure-pipelines-image-generation/issues/604
   - script: HOMEBREW_NO_AUTO_UPDATE=1 brew install mercurial
     displayName: 'Install Mercurial'
   - template: .azure-pipelines-steps.yml
 
 variables:
-  # Ensures output produced by Jest for certain tests includes ANSI escape characters (needed to match snapshots)
+  # Used by chalk. Ensures output from Jest includes ANSI escape characters that are needed to match test snapshots.
   FORCE_COLOR: 1
-  # Default checkout directory is "s", but inline snapshot tests will fail due to assumption that Jest is running under a "jest" folder
-  # (see packages/jest-message-util/src/index.js PATH_JEST_PACKAGES)
+
+  # By default, Azure Pipelines clones to an "s" directory, which causes tests to fail due to assumption of Jest being run from a "jest" directory.
+  # See packages/jest-message-util/src/index.js PATH_JEST_PACKAGES for more details.
   JEST_DIR: $(Agent.BuildDirectory)/jest
+  
+  # Ensures the handful of tests that should be skipped during CI are
   CI: true

From dcafcfd36a2819c035c937f4d98764b8ea32456a Mon Sep 17 00:00:00 2001
From: Will Smythe <wismythe@microsoft.com>
Date: Mon, 14 Jan 2019 15:00:12 -0500
Subject: [PATCH 6/6] Undo change to SearchSource.js due to #7146; address
 other feedback

---
 packages/jest-cli/src/SearchSource.js         |  1 -
 packages/jest-config/src/getCacheDirectory.js | 15 +++++++--------
 2 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/packages/jest-cli/src/SearchSource.js b/packages/jest-cli/src/SearchSource.js
index e3420ebe104c..1744ef00bb2a 100644
--- a/packages/jest-cli/src/SearchSource.js
+++ b/packages/jest-cli/src/SearchSource.js
@@ -19,7 +19,6 @@ import testPathPatternToRegExp from './testPathPatternToRegexp';
 import {escapePathForRegex} from 'jest-regex-util';
 import {replaceRootDirInPath} from 'jest-config';
 import {buildSnapshotResolver} from 'jest-snapshot';
-import {sync as realpath} from 'realpath-native';
 
 type SearchResult = {|
   noSCM?: boolean,
diff --git a/packages/jest-config/src/getCacheDirectory.js b/packages/jest-config/src/getCacheDirectory.js
index 7298a15a5465..587d9c21fdb6 100644
--- a/packages/jest-config/src/getCacheDirectory.js
+++ b/packages/jest-config/src/getCacheDirectory.js
@@ -14,16 +14,15 @@ import {sync as realpath} from 'realpath-native';
 
 const getCacheDirectory = () => {
   const {getuid} = process;
+  const tmpdir = path.join(realpath(os.tmpdir()), 'jest');
   if (getuid == null) {
-    return path.join(realpath(os.tmpdir()), 'jest');
+    return tmpdir;
+  } else {
+    // On some platforms tmpdir() is `/tmp`, causing conflicts between different
+    // users and permission issues. Adding an additional subdivision by UID can
+    // help.
+    return `${tmpdir}_${getuid.call(process).toString(36)}`;
   }
-  // On some platforms tmpdir() is `/tmp`, causing conflicts between different
-  // users and permission issues. Adding an additional subdivision by UID can
-  // help.
-  return path.join(
-    realpath(os.tmpdir()),
-    'jest_' + getuid.call(process).toString(36),
-  );
 };
 
 export default getCacheDirectory;