Test mirror support

#!/usr/bin/env bats

load test_helper

export RUBY_BUILD_SKIP_MIRROR=

export RUBY_BUILD_CACHE_PATH=

export RUBY_BUILD_MIRROR_URL=http://mirror.example.com

@test "package URL without checksum bypasses mirror" {

  stub md5 true

  stub curl "-*S* http://example.com/* : cat package-1.0.0.tar.gz"

  install_fixture definitions/without-checksum

  [ "$status" -eq 0 ]

  [ -x "${INSTALL_ROOT}/bin/package" ]

  unstub curl

  unstub md5

}

@test "package URL with checksum but no MD5 support bypasses mirror" {

  stub md5 false

  stub curl "-*S* http://example.com/* : cat package-1.0.0.tar.gz"

  install_fixture definitions/with-checksum

  [ "$status" -eq 0 ]

  [ -x "${INSTALL_ROOT}/bin/package" ]

  unstub curl

  unstub md5

}

@test "package URL with checksum hits mirror first" {

  local checksum="83e6d7725e20166024a1eb74cde80677"

  local mirror_url="${RUBY_BUILD_MIRROR_URL}/$checksum"

  stub md5 true "echo $checksum"

  stub curl "-*I* $mirror_url : true" "-*S* $mirror_url : cat package-1.0.0.tar.gz"

  install_fixture definitions/with-checksum

  [ "$status" -eq 0 ]

  [ -x "${INSTALL_ROOT}/bin/package" ]

  unstub curl

  unstub md5

}

@test "package is fetched from original URL if mirror download fails" {

  local checksum="83e6d7725e20166024a1eb74cde80677"

  local mirror_url="${RUBY_BUILD_MIRROR_URL}/$checksum"

  local original_url="http://example.com/packages/package-1.0.0.tar.gz"

  stub md5 true "echo $checksum"

  stub curl "-*I* $mirror_url : false" "-*S* $original_url : cat package-1.0.0.tar.gz"

  install_fixture definitions/with-checksum

  [ "$status" -eq 0 ]

  [ -x "${INSTALL_ROOT}/bin/package" ]

  unstub curl

  unstub md5

}

@test "package is fetched from original URL if mirror download checksum is invalid" {

  local checksum="83e6d7725e20166024a1eb74cde80677"

  local mirror_url="${RUBY_BUILD_MIRROR_URL}/$checksum"

  local original_url="http://example.com/packages/package-1.0.0.tar.gz"

  stub md5 true "echo invalid" "echo $checksum"

  stub curl "-*I* $mirror_url : true" "-*S* $mirror_url : cat package-1.0.0.tar.gz" "-*S* $original_url : cat package-1.0.0.tar.gz"

  install_fixture definitions/with-checksum

  [ "$status" -eq 0 ]

  [ -x "${INSTALL_ROOT}/bin/package" ]

  unstub curl

  unstub md5

}

@test "default mirror URL" {

  export RUBY_BUILD_MIRROR_URL=

  local checksum="83e6d7725e20166024a1eb74cde80677"

  stub md5 true "echo $checksum"

  stub curl "-*I* : true" "-*S* http://?*/$checksum : cat package-1.0.0.tar.gz"

  install_fixture definitions/with-checksum

  [ "$status" -eq 0 ]

  [ -x "${INSTALL_ROOT}/bin/package" ]

  unstub curl

  unstub md5

}