Set up CI with Azure Pipelines (#13)

* Set up CI with Azure Pipelines

[skip ci]

* Add task for testing without GMP

* Add C++ testing + no GMP on windows

* Add the Nim wrapper for GMP to Azure build

* Add Azure badge

* Fix nimble test tasks

* Workaround windows path in Azure

* Fix nim binaries path and mingw on 32-bit

* add stew test dependency

* Fix nim/nimble path

* disable GMP tests on windows

README.md

@@ -2,9 +2,9 @@
 
 [![License: Apache](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
 [![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](https://opensource.org/licenses/MIT)
-![Stability: experimental](https://img.shields.io/badge/stability-experimental-orange.svg)
+![Stability: experimental](https://img.shields.io/badge/stability-experimental-orange.svg)\
-
 [![Build Status: Travis](https://img.shields.io/travis/com/mratsim/constantine/master?label=Travis%20%28Linux%20x86_64%2FARM64,%20MacOS%20x86_64%29)](https://travis-ci.com/mratsim/constantine)
+[![Build Status: Azure](https://img.shields.io/azure-devops/build/numforge/07a2a7a5-995a-45d3-acd5-f5456fe7b04d/4?label=Azure%20%28Linux%2064-bit%2C%20Windows%2032%2F64-bit%2C%20MacOS%2064-bit%29)](https://dev.azure.com/numforge/Constantine/_build?definitionId=4&branchName=master)
 
 This library provides constant-time implementation of elliptic curve cryptography.
 

azure-pipelines.yml

@@ -0,0 +1,197 @@
+strategy:
+  maxParallel: 10
+  matrix:
+    # TODO: Linux 32-bit requires gcc -m32 setup
+
+    Windows_devel_32bit:
+      VM: 'windows-latest'
+      UCPU: i686
+      CHANNEL: devel
+      TEST_LANG: c
+    Windows_devel_64bit:
+      VM: 'windows-latest'
+      UCPU: amd64
+      CHANNEL: devel
+      TEST_LANG: c
+    Windows_cpp_devel_64bit:
+      VM: 'windows-latest'
+      UCPU: amd64
+      CHANNEL: devel
+      TEST_LANG: cpp
+    Linux_devel_64bit:
+      VM: 'ubuntu-16.04'
+      UCPU: amd64
+      CHANNEL: devel
+      TEST_LANG: c
+    Linux_cpp_devel_64bit:
+      VM: 'ubuntu-16.04'
+      UCPU: amd64
+      CHANNEL: devel
+      WEAVE_TEST_LANG: cpp
+
+    # Linux_devel_32bit:
+    #   VM: 'ubuntu-16.04'
+    #   UCPU: i686
+    #   CHANNEL: devel
+    #   TEST_LANG: c
+
+    MacOS_devel_64bit:
+      VM: 'macOS-10.14'
+      UCPU: amd64
+      CHANNEL: devel
+      TEST_LANG: c
+pool:
+  vmImage: $(VM)
+
+steps:
+  - task: CacheBeta@1
+    displayName: 'cache Nim binaries'
+    inputs:
+      key: NimBinaries | $(Agent.OS) | $(CHANNEL) | $(UCPU)
+      path: NimBinaries
+
+  - task: CacheBeta@1
+    displayName: 'cache MinGW-w64'
+    inputs:
+      key: mingwCache | 8_1_0 | $(UCPU)
+      path: mingwCache
+    condition: eq(variables['Agent.OS'], 'Windows_NT')
+
+  - powershell: |
+      Set-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem' -Name 'LongPathsEnabled' -Value 1
+    displayName: 'long path support'
+    condition: eq(variables['Agent.OS'], 'Windows_NT')
+  - bash: |
+      echo "PATH=${PATH}"
+      set -e
+      echo "Installing MinGW-w64"
+      if [[ $UCPU == "i686" ]]; then
+        MINGW_FILE="i686-8.1.0-release-posix-dwarf-rt_v6-rev0.7z"
+        MINGW_URL="https://sourceforge.net/projects/mingw-w64/files/Toolchains%20targetting%20Win32/Personal%20Builds/mingw-builds/8.1.0/threads-posix/dwarf/${MINGW_FILE}"
+        MINGW_DIR="mingw32"
+      else
+        MINGW_FILE="x86_64-8.1.0-release-posix-seh-rt_v6-rev0.7z"
+        MINGW_URL="https://sourceforge.net/projects/mingw-w64/files/Toolchains%20targetting%20Win64/Personal%20Builds/mingw-builds/8.1.0/threads-posix/seh/${MINGW_FILE}"
+        MINGW_DIR="mingw64"
+      fi
+      mkdir -p mingwCache
+      pushd mingwCache
+      if [[ ! -e "$MINGW_FILE" ]]; then
+        rm -f *.7z
+        curl -OLsS "$MINGW_URL"
+      fi
+      7z x -y -bd "$MINGW_FILE" >/dev/null
+      mkdir -p /c/custom
+      mv "$MINGW_DIR" /c/custom/
+      popd
+
+      # Workaround https://developercommunity.visualstudio.com/content/problem/891929/windows-2019-cygheap-base-mismatch-detected-git-ba.html
+      echo "##vso[task.prependpath]/usr/bin"
+      echo "##vso[task.prependpath]/mingw64/bin"
+      echo "##vso[task.setvariable variable=MINGW_DIR;]$MINGW_DIR"
+
+    displayName: 'Install dependencies (Windows)'
+    condition: eq(variables['Agent.OS'], 'Windows_NT')
+  - powershell: |
+      # export custom mingw PATH to other tasks
+      echo "##vso[task.prependpath]c:\custom\$(MINGW_DIR)\bin"
+    displayName: 'Mingw PATH (Windows)'
+    condition: eq(variables['Agent.OS'], 'Windows_NT')
+
+  - bash: |
+      echo "PATH=${PATH}"
+      export ncpu=
+      case '$(Agent.OS)' in
+      'Linux')
+        ncpu=$(nproc)
+        ;;
+      'Darwin')
+        ncpu=$(sysctl -n hw.ncpu)
+        ;;
+      'Windows_NT')
+        ncpu=$NUMBER_OF_PROCESSORS
+        ;;
+      esac
+      [[ -z "$ncpu" || $ncpu -le 0 ]] && ncpu=1
+      echo "Found ${ncpu} cores"
+      echo "##vso[task.setvariable variable=ncpu;]$ncpu"
+    displayName: 'Detecting number of cores'
+
+  - bash: |
+      echo "PATH=${PATH}"
+      gcc -v
+      export ucpu=${UCPU}
+
+      if [ "${CHANNEL}" = stable ]; then
+        BRANCH="v$(curl https://nim-lang.org/channels/stable)"
+      else
+        BRANCH="${CHANNEL}"
+      fi
+      mkdir -p NimBinaries
+      pushd NimBinaries
+      if [ ! -x "nim-${CHANNEL}/bin/nim" ]; then
+        git clone -b "${BRANCH}" https://github.com/nim-lang/nim "nim-${CHANNEL}/"
+        pushd "nim-${CHANNEL}"
+        git clone --depth 1 https://github.com/nim-lang/csources csources/
+        pushd csources
+
+        make -j $ncpu ucpu=${UCPU} CC=gcc
+        popd
+        rm -rf csources
+        bin/nim c koch
+        ./koch boot -d:release
+        ./koch tools
+      else
+        pushd "nim-${CHANNEL}"
+        git fetch origin "${BRANCH}"
+        if [[ $(git merge FETCH_HEAD | grep -c "Already up to date.") -ne 1 ]]; then
+          bin/nim c koch
+          ./koch boot -d:release
+          ./koch tools
+        fi
+      fi
+      popd # exit nim-${CHANNEL}
+      popd # exit NimBinaries
+    displayName: 'Building Nim'
+
+  - powershell: |
+      echo "##vso[task.prependpath]$pwd\NimBinaries\nim-$(CHANNEL)\bin"
+    displayName: 'Set env variable (Windows)'
+    condition: eq(variables['Agent.OS'], 'Windows_NT')
+  - bash: |
+      echo "##vso[task.prependpath]$PWD/NimBinaries/nim-${CHANNEL}/bin"
+    displayName: 'Set env variable (Posix)'
+    condition: ne(variables['Agent.OS'], 'Windows_NT')
+
+  # GMP is preinstalled on Azure
+  # - bash: |
+  #     echo "PATH=${PATH}"
+  #     sudo apt-get install libgmp-dev
+  #   displayName: 'Downloading GMP (Linux)'
+  #   condition: eq(variables['Agent.OS'], 'Linux')
+  #
+  # - bash: |
+  #     echo "PATH=${PATH}"
+  #     brew install gmp
+  #   displayName: 'Downloading GMP (MacOS)'
+  #   condition: eq(variables['Agent.OS'], 'Darwin')
+
+  - bash: |
+      echo "PATH=${PATH}"
+      nimble refresh
+      nimble install gmp stew
+    displayName: 'Installing package and testing dependencies'
+
+  - bash: |
+      echo "PATH=${PATH}"
+      export ucpu=${UCPU}
+      nimble test
+    displayName: 'Testing the package (including GMP)'
+    condition: ne(variables['Agent.OS'], 'Windows_NT')
+
+  - bash: |
+      echo "PATH=${PATH}"
+      export ucpu=${UCPU}
+      nimble test_no_gmp
+    displayName: 'Testing the package (without GMP)'
+    condition: eq(variables['Agent.OS'], 'Windows_NT')

constantine.nimble

@@ -9,18 +9,36 @@ srcDir        = "src"
 requires "nim >= 1.1.0"
 
 ### Helper functions
-proc test(fakeCurves: string, path: string, lang = "c") =
+proc test(path: string) =
   if not dirExists "build":
     mkDir "build"
-  exec "nim " & lang & fakeCurves & " --outdir:build -r --hints:off --warnings:off " & path
+  # Compilation language is controlled by WEAVE_TEST_LANG
+  var lang = "c"
+  if existsEnv"TEST_LANG":
+    lang = getEnv"TEST_LANG"
+
+  echo "\n========================================================================================"
+  echo "Running ", path
+  echo "========================================================================================"
+  exec "nim " & lang & " --verbosity:0 --outdir:build -r --hints:off --warnings:off " & path
 
 ### tasks
 task test, "Run all tests":
-  test "",                  "tests/test_primitives.nim"
+  # -d:testingCurves is configured in a *.nim.cfg for convenience
-  test "",                  "tests/test_io_bigints.nim"
+  test "tests/test_primitives.nim"
-  test "",                  "tests/test_bigints.nim"
+  test "tests/test_io_bigints.nim"
-  test "",                  "tests/test_bigints_multimod.nim"
+  test "tests/test_bigints.nim"
-  test "",                  "tests/test_bigints_vs_gmp.nim"
+  test "tests/test_bigints_multimod.nim"
-  test "",                  "tests/test_finite_fields.nim"
+  test "tests/test_bigints_vs_gmp.nim"
-  test "",                  "tests/test_finite_fields_vs_gmp.nim"
+  test "tests/test_finite_fields.nim"
-  test "",                  "tests/test_finite_fields_powinv.nim"
+  test "tests/test_finite_fields_vs_gmp.nim"
+  test "tests/test_finite_fields_powinv.nim"
+
+task test_no_gmp, "Run tests that don't require GMP":
+  # -d:testingCurves is configured in a *.nim.cfg for convenience
+  test "tests/test_primitives.nim"
+  test "tests/test_io_bigints.nim"
+  test "tests/test_bigints.nim"
+  test "tests/test_bigints_multimod.nim"
+  test "tests/test_finite_fields.nim"
+  test "tests/test_finite_fields_powinv.nim"