diff --git a/test/bitbucket.bats b/test/bitbucket.bats
new file mode 100644
index 0000000..3e79150
--- /dev/null
+++ b/test/bitbucket.bats
@@ -0,0 +1,124 @@
+#!/usr/bin/env bats
+
+load "test_helper/index"
+
+##
+## Bitbucket
+##
+
+@test "bitbucket: basic" {
+  git remote set-url origin "git@bitbucket.org:paulirish/crbug-extension.git"
+  run ../git-open
+  assert_output --partial "https://bitbucket.org/paulirish/crbug-extension"
+}
+
+@test "bitbucket: non-origin remote" {
+  # https://github.com/paulirish/git-open/pull/4
+  git remote add bbclone "git@bitbucket.org:rwhitbeck/git-open.git"
+  run ../git-open "bbclone"
+  assert_output "https://bitbucket.org/rwhitbeck/git-open"
+}
+
+@test "bitbucket: open source view" {
+  # https://github.com/paulirish/git-open/pull/26
+  git remote set-url origin "https://bitbucket.org/kisom/consbri.git"
+  git checkout -B "devel"
+  run ../git-open
+  refute_output --partial "//kisom"
+  assert_output "https://bitbucket.org/kisom/consbri/src?at=devel"
+}
+
+@test "bitbucket: open source view with a slash/branch" {
+  # https://github.com/paulirish/git-open/pull/26
+  # see https://github.com/paulirish/git-open/issues/80 for feat/branchname issues
+  git remote set-url origin "https://bitbucket.org/guyzmo/git-repo.git"
+  git checkout -B "bugfix/conftest_fix"
+  run ../git-open
+  assert_output --partial "https://bitbucket.org/guyzmo/git-repo/src"
+  # BB appears to be fine with both literal or URL-encoded forward slash
+  assert_output --partial "?at=bugfix/conftest_fix"
+}
+
+@test "bitbucket: ssh:// clone urls" {
+  # https://github.com/paulirish/git-open/pull/36
+  git remote set-url origin "ssh://git@bitbucket.org/lbesson/bin.git"
+  run ../git-open
+  assert_output "https://bitbucket.org/lbesson/bin"
+}
+
+@test "bitbucket: no username@ in final url" {
+  # https://github.com/paulirish/git-open/pull/69
+  git remote set-url origin "https://trend_rand@bitbucket.org/trend_rand/test-repo.git"
+  run ../git-open
+  refute_output --partial "@"
+}
+
+@test "bitbucket: Bitbucket Server" {
+  # https://github.com/paulirish/git-open/issues/77#issuecomment-309044010
+  git remote set-url origin "https://user@mybb.domain.com/scm/ppp/rrr.git"
+  run ../git-open
+
+  # any of the following are acceptable
+  assert_output "https://mybb.domain.com/projects/ppp/repos/rrr" ||
+    assert_output "https://mybb.domain.com/projects/ppp/repos/rrr/browse/?at=master" ||
+    assert_output "https://mybb.domain.com/projects/ppp/repos/rrr/browse/?at=refs%2Fheads%2Fmaster"
+}
+
+@test "bitbucket: Bitbucket Server branch" {
+  # https://github.com/paulirish/git-open/issues/80
+  git remote set-url origin "https://user@mybb.domain.com/scm/ppp/rrr.git"
+  git checkout -B "develop"
+  run ../git-open
+
+  # The following query args work with BB Server:
+  #     at=refs%2Fheads%2Fdevelop, at=develop, at=refs/heads/develop
+  # However /src/develop does not (unlike bitbucket.org)
+  assert_output "https://mybb.domain.com/projects/ppp/repos/rrr/browse?at=develop" ||
+    assert_output "https://mybb.domain.com/projects/ppp/repos/rrr/browse?at=refs%2Fheads%2Fdevelop" ||
+    assert_output "https://mybb.domain.com/projects/ppp/repos/rrr/browse?at=refs/heads/develop"
+
+  refute_output --partial "/src/develop"
+}
+
+
+@test "bitbucket: Bitbucket Server private user repos" {
+  # https://github.com/paulirish/git-open/pull/83#issuecomment-309968538
+  git remote set-url origin "https://mybb.domain.com/scm/~first.last/rrr.git"
+  git checkout -B "develop"
+  run ../git-open
+  assert_output "https://mybb.domain.com/projects/~first.last/repos/rrr/browse?at=develop" ||
+    assert_output "https://mybb.domain.com/projects/~first.last/repos/rrr/browse?at=refs%2Fheads%2Fdevelop" ||
+    assert_output "https://mybb.domain.com/projects/~first.last/repos/rrr/browse?at=refs/heads/develop"
+
+}
+
+
+@test "bitbucket: Bitbucket Server with different root context" {
+  # https://github.com/paulirish/git-open/pull/15
+  git remote set-url origin "https://user@bitbucket.example.com/git/scm/ppp/test-repo.git"
+  run ../git-open
+  assert_output "https://bitbucket.example.com/git/projects/ppp/repos/test-repo" ||
+    assert_output "https://bitbucket.example.com/git/projects/ppp/repos/test-repo/?at=master" ||
+    assert_output "https://bitbucket.example.com/git/projects/ppp/repos/test-repo/?at=refs%2Fheads%2Fmaster"
+}
+
+
+@test "bitbucket: Bitbucket Server with different root context with multiple parts" {
+  # https://github.com/paulirish/git-open/pull/15
+  git remote set-url origin "https://user@bitbucket.example.com/really/long/root/context/scm/ppp/test-repo.git"
+  run ../git-open
+  assert_output "https://bitbucket.example.com/really/long/root/context/projects/ppp/repos/test-repo" ||
+    assert_output "https://bitbucket.example.com/really/long/root/context/projects/ppp/repos/test-repo/?at=master" ||
+    assert_output "https://bitbucket.example.com/really/long/root/context/projects/ppp/repos/test-repo/?at=refs%2Fheads%2Fmaster"
+}
+
+
+@test "bitbucket: Bitbucket Server private user repos with different root context" {
+  # https://github.com/paulirish/git-open/pull/83#issuecomment-309968538
+  git remote set-url origin "https://mybb.domain.com/root/context/scm/~first.last/rrr.git"
+  git checkout -B "develop"
+  run ../git-open
+  assert_output "https://mybb.domain.com/root/context/projects/~first.last/repos/rrr/browse?at=develop" ||
+    assert_output "https://mybb.domain.com/root/context/projects/~first.last/repos/rrr/browse?at=refs%2Fheads%2Fdevelop" ||
+    assert_output "https://mybb.domain.com/root/context/projects/~first.last/repos/rrr/browse?at=refs/heads/develop"
+}
diff --git a/test/git-open.bats b/test/git-open.bats
index 1577a67..267505b 100755
--- a/test/git-open.bats
+++ b/test/git-open.bats
@@ -1,14 +1,6 @@
 #!/usr/bin/env bats
 
-load "test_helper/bats-support/load"
-load "test_helper/bats-assert/load"
-
-foldername="sandboxrepo"
-
-setup() {
-  create_git_sandbox
-  export BROWSER=echo
-}
+load "test_helper/index"
 
 ##
 ## Test environment
@@ -47,374 +39,4 @@ setup() {
 	assert_output "http://example.com/example"
 }
 
-##
-## GitHub
-##
-
-@test "gh: basic" {
-  git remote set-url origin "git@github.com:user/repo.git"
-  git checkout -B "master"
-  run ../git-open
-  assert_output "https://github.com/user/repo"
-}
-
-@test "gh: branch" {
-  git remote set-url origin "git@github.com:user/repo.git"
-  git checkout -B "mybranch"
-  run ../git-open
-  assert_output "https://github.com/user/repo/tree/mybranch"
-}
-
-@test "gh: non-origin remote" {
-  git remote set-url origin "git@github.com:user/repo.git"
-  git remote add upstream "git@github.com:upstreamorg/repo.git"
-  run ../git-open "upstream"
-  assert_output "https://github.com/upstreamorg/repo"
-
-  git checkout -B "mybranch"
-  run ../git-open "upstream" "otherbranch"
-  assert_output "https://github.com/upstreamorg/repo/tree/otherbranch"
-}
-
-@test "gh: without git user" {
-  # https://github.com/paulirish/git-open/pull/63
-  git remote set-url origin "github.com:paulirish/git-open.git"
-  run ../git-open
-  assert_output "https://github.com/paulirish/git-open"
-}
-
-@test "gh: ssh origin" {
-  git remote set-url origin "ssh://git@github.com/user/repo"
-  run ../git-open
-  assert_output "https://github.com/user/repo"
-
-  # https://github.com/paulirish/git-open/pull/30
-  git remote set-url origin "ssh://git@github.com/user/repo.git"
-  run ../git-open
-  assert_output "https://github.com/user/repo"
-}
-
-@test "gh: git protocol origin" {
-  git remote set-url origin "git://github.com/user/repo.git"
-  git checkout -B "master"
-  run ../git-open
-  assert_output "https://github.com/user/repo"
-}
-
-@test "gh: git open --issue" {
-  # https://github.com/paulirish/git-open/pull/46
-  git remote set-url origin "github.com:paulirish/git-open.git"
-  git checkout -B "issues/#12"
-  run ../git-open "--issue"
-  assert_output "https://github.com/paulirish/git-open/issues/12"
-
-  git checkout -B "fix-issue-37"
-  run ../git-open "--issue"
-  assert_output "https://github.com/paulirish/git-open/issues/37"
-
-  git checkout -B "fix-issue-38"
-  run ../git-open "-i"
-  assert_output "https://github.com/paulirish/git-open/issues/38"
-}
-
-@test "gh: gist" {
-  git remote set-url origin "git@gist.github.com:2d84a6db1b41b4020685.git"
-  run ../git-open
-  assert_output "https://gist.github.com/2d84a6db1b41b4020685"
-}
-
-@test "basic: # and % in branch names are URL encoded" {
-  # https://github.com/paulirish/git-open/pull/24
-  git checkout -B "issue-#42"
-  run ../git-open
-  assert_output "https://github.com/paulirish/git-open/tree/issue-%2342"
-
-  git checkout -B "just-50%"
-  run ../git-open
-  assert_output "https://github.com/paulirish/git-open/tree/just-50%25"
-}
-
-@test "basic: tracked remote is default" {
-  # https://github.com/paulirish/git-open/issues/65
-
- # create a local git repo I can push to
-  remote_name="sandboxremote"
-  remote_url="git@github.com:userfork/git-open.git"
-
-  # ideally we'd set a real upstream branch, but that's not possible without
-  # pull/push'ing over the network. So we're cheating and just setting the
-  # branch.<branch>.remote config
-  # https://github.com/paulirish/git-open/pull/88#issuecomment-339813145
-  git remote add $remote_name $remote_url
-  git config --local --add branch.master.remote $remote_name
-
-  run ../git-open
-  assert_output "https://github.com/userfork/git-open"
-
-  git config --local --add branch.master.remote origin
-  run ../git-open
-  assert_output "https://github.com/paulirish/git-open"
-}
-
-@test "basic: https url can contain port" {
-  git remote set-url origin "https://github.com:99/user/repo.git"
-  run ../git-open
-  assert_output "https://github.com:99/user/repo"
-}
-
-@test "basic: ssh url has port removed from http url" {
-  git remote set-url origin "ssh://github.com:22/user/repo.git"
-  run ../git-open
-  assert_output "https://github.com/user/repo"
-}
-
-@test "basic: http url scheme is preserved" {
-  git remote set-url origin "http://github.com/user/repo.git"
-  run ../git-open
-  assert_output "http://github.com/user/repo"
-}
-
-
-##
-## Bitbucket
-##
-
-@test "bitbucket: basic" {
-  git remote set-url origin "git@bitbucket.org:paulirish/crbug-extension.git"
-  run ../git-open
-  assert_output --partial "https://bitbucket.org/paulirish/crbug-extension"
-}
-
-@test "bitbucket: non-origin remote" {
-  # https://github.com/paulirish/git-open/pull/4
-  git remote add bbclone "git@bitbucket.org:rwhitbeck/git-open.git"
-  run ../git-open "bbclone"
-  assert_output "https://bitbucket.org/rwhitbeck/git-open"
-}
-
-@test "bitbucket: open source view" {
-  # https://github.com/paulirish/git-open/pull/26
-  git remote set-url origin "https://bitbucket.org/kisom/consbri.git"
-  git checkout -B "devel"
-  run ../git-open
-  refute_output --partial "//kisom"
-  assert_output "https://bitbucket.org/kisom/consbri/src?at=devel"
-}
-
-@test "bitbucket: open source view with a slash/branch" {
-  # https://github.com/paulirish/git-open/pull/26
-  # see https://github.com/paulirish/git-open/issues/80 for feat/branchname issues
-  git remote set-url origin "https://bitbucket.org/guyzmo/git-repo.git"
-  git checkout -B "bugfix/conftest_fix"
-  run ../git-open
-  assert_output --partial "https://bitbucket.org/guyzmo/git-repo/src"
-  # BB appears to be fine with both literal or URL-encoded forward slash
-  assert_output --partial "?at=bugfix/conftest_fix"
-}
-
-@test "bitbucket: ssh:// clone urls" {
-  # https://github.com/paulirish/git-open/pull/36
-  git remote set-url origin "ssh://git@bitbucket.org/lbesson/bin.git"
-  run ../git-open
-  assert_output "https://bitbucket.org/lbesson/bin"
-}
-
-@test "bitbucket: no username@ in final url" {
-  # https://github.com/paulirish/git-open/pull/69
-  git remote set-url origin "https://trend_rand@bitbucket.org/trend_rand/test-repo.git"
-  run ../git-open
-  refute_output --partial "@"
-}
-
-@test "bitbucket: Bitbucket Server" {
-  # https://github.com/paulirish/git-open/issues/77#issuecomment-309044010
-  git remote set-url origin "https://user@mybb.domain.com/scm/ppp/rrr.git"
-  run ../git-open
-
-  # any of the following are acceptable
-  assert_output "https://mybb.domain.com/projects/ppp/repos/rrr" ||
-    assert_output "https://mybb.domain.com/projects/ppp/repos/rrr/browse/?at=master" ||
-    assert_output "https://mybb.domain.com/projects/ppp/repos/rrr/browse/?at=refs%2Fheads%2Fmaster"
-}
-
-@test "bitbucket: Bitbucket Server branch" {
-  # https://github.com/paulirish/git-open/issues/80
-  git remote set-url origin "https://user@mybb.domain.com/scm/ppp/rrr.git"
-  git checkout -B "develop"
-  run ../git-open
-
-  # The following query args work with BB Server:
-  #     at=refs%2Fheads%2Fdevelop, at=develop, at=refs/heads/develop
-  # However /src/develop does not (unlike bitbucket.org)
-  assert_output "https://mybb.domain.com/projects/ppp/repos/rrr/browse?at=develop" ||
-    assert_output "https://mybb.domain.com/projects/ppp/repos/rrr/browse?at=refs%2Fheads%2Fdevelop" ||
-    assert_output "https://mybb.domain.com/projects/ppp/repos/rrr/browse?at=refs/heads/develop"
-
-  refute_output --partial "/src/develop"
-}
-
-
-@test "bitbucket: Bitbucket Server private user repos" {
-  # https://github.com/paulirish/git-open/pull/83#issuecomment-309968538
-  git remote set-url origin "https://mybb.domain.com/scm/~first.last/rrr.git"
-  git checkout -B "develop"
-  run ../git-open
-  assert_output "https://mybb.domain.com/projects/~first.last/repos/rrr/browse?at=develop" ||
-    assert_output "https://mybb.domain.com/projects/~first.last/repos/rrr/browse?at=refs%2Fheads%2Fdevelop" ||
-    assert_output "https://mybb.domain.com/projects/~first.last/repos/rrr/browse?at=refs/heads/develop"
-
-}
-
-
-@test "bitbucket: Bitbucket Server with different root context" {
-  # https://github.com/paulirish/git-open/pull/15
-  git remote set-url origin "https://user@bitbucket.example.com/git/scm/ppp/test-repo.git"
-  run ../git-open
-  assert_output "https://bitbucket.example.com/git/projects/ppp/repos/test-repo" ||
-    assert_output "https://bitbucket.example.com/git/projects/ppp/repos/test-repo/?at=master" ||
-    assert_output "https://bitbucket.example.com/git/projects/ppp/repos/test-repo/?at=refs%2Fheads%2Fmaster"
-}
-
-
-@test "bitbucket: Bitbucket Server with different root context with multiple parts" {
-  # https://github.com/paulirish/git-open/pull/15
-  git remote set-url origin "https://user@bitbucket.example.com/really/long/root/context/scm/ppp/test-repo.git"
-  run ../git-open
-  assert_output "https://bitbucket.example.com/really/long/root/context/projects/ppp/repos/test-repo" ||
-    assert_output "https://bitbucket.example.com/really/long/root/context/projects/ppp/repos/test-repo/?at=master" ||
-    assert_output "https://bitbucket.example.com/really/long/root/context/projects/ppp/repos/test-repo/?at=refs%2Fheads%2Fmaster"
-}
-
-
-@test "bitbucket: Bitbucket Server private user repos with different root context" {
-  # https://github.com/paulirish/git-open/pull/83#issuecomment-309968538
-  git remote set-url origin "https://mybb.domain.com/root/context/scm/~first.last/rrr.git"
-  git checkout -B "develop"
-  run ../git-open
-  assert_output "https://mybb.domain.com/root/context/projects/~first.last/repos/rrr/browse?at=develop" ||
-    assert_output "https://mybb.domain.com/root/context/projects/~first.last/repos/rrr/browse?at=refs%2Fheads%2Fdevelop" ||
-    assert_output "https://mybb.domain.com/root/context/projects/~first.last/repos/rrr/browse?at=refs/heads/develop"
-}
-
-
-##
-## GitLab
-##
-
-@test "gitlab: default ssh origin style" {
-  # https://github.com/paulirish/git-open/pull/55
-  git remote set-url origin "git@gitlab.example.com:user/repo"
-  run ../git-open
-  assert_output "https://gitlab.example.com/user/repo"
-}
-
-@test "gitlab: ssh://git@ origin" {
-  # https://github.com/paulirish/git-open/pull/51
-  git remote set-url origin "ssh://git@gitlab.domain.com/user/repo"
-  run ../git-open
-  assert_output "https://gitlab.domain.com/user/repo"
-  refute_output --partial "//user"
-}
-
-@test "gitlab: separate domains" {
-  # https://github.com/paulirish/git-open/pull/56
-  git remote set-url origin "git@git.example.com:namespace/project.git"
-  git config --local --add "open.https://git.example.com.domain" "gitlab.example.com"
-  run ../git-open
-  assert_output "https://gitlab.example.com/namespace/project"
-}
-
-@test "gitlab: special domain and path" {
-  git remote set-url origin "ssh://git@git.example.com:7000/XXX/YYY.git"
-  git config --local --add "open.https://git.example.com.domain" "repo.intranet/subpath"
-  git config --local --add "open.https://git.example.com.protocol" "http"
 
-  run ../git-open
-  assert_output "http://repo.intranet/subpath/XXX/YYY"
-  refute_output --partial "https://"
-}
-
-@test "gitlab: different port" {
-  # https://github.com/paulirish/git-open/pull/76
-  git remote set-url origin "ssh://git@git.example.com:7000/XXX/YYY.git"
-  run ../git-open
-  assert_output "https://git.example.com/XXX/YYY"
-  refute_output --partial ":7000"
-
-  git remote set-url origin "https://git.example.com:7000/XXX/YYY.git"
-  run ../git-open
-  assert_output "https://git.example.com:7000/XXX/YYY"
-}
-
-##
-## Visual Studio Team Services
-##
-
-@test "vsts: https url" {
-  git remote set-url origin "https://gitopen.visualstudio.com/Project/_git/Repository"
-  run ../git-open
-  assert_output --partial "https://gitopen.visualstudio.com/Project/_git/Repository"
-}
-
-@test "vsts: ssh url" {
-  git remote add vsts_ssh "ssh://gitopen@gitopen.visualstudio.com:22/Project/_git/Repository"
-  run ../git-open "vsts_ssh"
-  assert_output "https://gitopen.visualstudio.com/Project/_git/Repository"
-}
-
-@test "vsts: on-premises tfs http url" {
-  git remote set-url origin "http://tfs.example.com:8080/Project/_git/Repository"
-  run ../git-open
-  assert_output --partial "http://tfs.example.com:8080/Project/_git/Repository"
-}
-
-@test "vsts: branch" {
-  git remote set-url origin "ssh://gitopen@gitopen.visualstudio.com:22/_git/Repository"
-  git checkout -B "mybranch"
-  run ../git-open
-  assert_output "https://gitopen.visualstudio.com/_git/Repository?version=GBmybranch"
-}
-
-@test "vsts: on-premises tfs branch" {
-  git remote set-url origin "http://tfs.example.com:8080/Project/Folder/_git/Repository"
-  git checkout -B "mybranch"
-  run ../git-open
-  assert_output "http://tfs.example.com:8080/Project/Folder/_git/Repository?version=GBmybranch"
-}
-
-@test "vsts: issue" {
-  git remote set-url origin "http://tfs.example.com:8080/Project/Folder/_git/Repository"
-  git checkout -B "bugfix-36"
-  run ../git-open "--issue"
-  assert_output "http://tfs.example.com:8080/Project/Folder/_workitems?id=36"
-}
-
-
-teardown() {
-  cd ..
-  rm -rf "$foldername"
-}
-
-# helper to create a test git sandbox that won't dirty the real repo
-function create_git_sandbox() {
-  rm -rf "$foldername"
-  mkdir "$foldername"
-  cd "$foldername"
-  # safety check. Don't muck with the git repo if we're not inside the sandbox.
-  assert_equal $(basename $PWD) "$foldername"
-
-  git init -q
-  assert [ -e "../$foldername/.git" ]
-  git config user.email "test@runner.com" && git config user.name "Test Runner"
-
-  # newer git auto-creates the origin remote
-  if ! git remote add origin "github.com:paulirish/git-open.git"; then
-    git remote set-url origin "github.com:paulirish/git-open.git"
-  fi
-
-  git checkout -B "master"
-
-  echo "ok" > readme.txt
-  git add readme.txt
-  git commit -m "add file" -q
-}
diff --git a/test/github.bats b/test/github.bats
new file mode 100644
index 0000000..dc353ea
--- /dev/null
+++ b/test/github.bats
@@ -0,0 +1,130 @@
+#!/usr/bin/env bats
+
+load "test_helper/index"
+
+##
+## GitHub
+##
+
+@test "gh: basic" {
+  git remote set-url origin "git@github.com:user/repo.git"
+  git checkout -B "master"
+  run ../git-open
+  assert_output "https://github.com/user/repo"
+}
+
+@test "gh: branch" {
+  git remote set-url origin "git@github.com:user/repo.git"
+  git checkout -B "mybranch"
+  run ../git-open
+  assert_output "https://github.com/user/repo/tree/mybranch"
+}
+
+@test "gh: non-origin remote" {
+  git remote set-url origin "git@github.com:user/repo.git"
+  git remote add upstream "git@github.com:upstreamorg/repo.git"
+  run ../git-open "upstream"
+  assert_output "https://github.com/upstreamorg/repo"
+
+  git checkout -B "mybranch"
+  run ../git-open "upstream" "otherbranch"
+  assert_output "https://github.com/upstreamorg/repo/tree/otherbranch"
+}
+
+@test "gh: without git user" {
+  # https://github.com/paulirish/git-open/pull/63
+  git remote set-url origin "github.com:paulirish/git-open.git"
+  run ../git-open
+  assert_output "https://github.com/paulirish/git-open"
+}
+
+@test "gh: ssh origin" {
+  git remote set-url origin "ssh://git@github.com/user/repo"
+  run ../git-open
+  assert_output "https://github.com/user/repo"
+
+  # https://github.com/paulirish/git-open/pull/30
+  git remote set-url origin "ssh://git@github.com/user/repo.git"
+  run ../git-open
+  assert_output "https://github.com/user/repo"
+}
+
+@test "gh: git protocol origin" {
+  git remote set-url origin "git://github.com/user/repo.git"
+  git checkout -B "master"
+  run ../git-open
+  assert_output "https://github.com/user/repo"
+}
+
+@test "gh: git open --issue" {
+  # https://github.com/paulirish/git-open/pull/46
+  git remote set-url origin "github.com:paulirish/git-open.git"
+  git checkout -B "issues/#12"
+  run ../git-open "--issue"
+  assert_output "https://github.com/paulirish/git-open/issues/12"
+
+  git checkout -B "fix-issue-37"
+  run ../git-open "--issue"
+  assert_output "https://github.com/paulirish/git-open/issues/37"
+
+  git checkout -B "fix-issue-38"
+  run ../git-open "-i"
+  assert_output "https://github.com/paulirish/git-open/issues/38"
+}
+
+@test "gh: gist" {
+  git remote set-url origin "git@gist.github.com:2d84a6db1b41b4020685.git"
+  run ../git-open
+  assert_output "https://gist.github.com/2d84a6db1b41b4020685"
+}
+
+@test "basic: # and % in branch names are URL encoded" {
+  # https://github.com/paulirish/git-open/pull/24
+  git checkout -B "issue-#42"
+  run ../git-open
+  assert_output "https://github.com/paulirish/git-open/tree/issue-%2342"
+
+  git checkout -B "just-50%"
+  run ../git-open
+  assert_output "https://github.com/paulirish/git-open/tree/just-50%25"
+}
+
+@test "basic: tracked remote is default" {
+  # https://github.com/paulirish/git-open/issues/65
+
+ # create a local git repo I can push to
+  remote_name="sandboxremote"
+  remote_url="git@github.com:userfork/git-open.git"
+
+  # ideally we'd set a real upstream branch, but that's not possible without
+  # pull/push'ing over the network. So we're cheating and just setting the
+  # branch.<branch>.remote config
+  # https://github.com/paulirish/git-open/pull/88#issuecomment-339813145
+  git remote add $remote_name $remote_url
+  git config --local --add branch.master.remote $remote_name
+
+  run ../git-open
+  assert_output "https://github.com/userfork/git-open"
+
+  git config --local --add branch.master.remote origin
+  run ../git-open
+  assert_output "https://github.com/paulirish/git-open"
+}
+
+@test "basic: https url can contain port" {
+  git remote set-url origin "https://github.com:99/user/repo.git"
+  run ../git-open
+  assert_output "https://github.com:99/user/repo"
+}
+
+@test "basic: ssh url has port removed from http url" {
+  git remote set-url origin "ssh://github.com:22/user/repo.git"
+  run ../git-open
+  assert_output "https://github.com/user/repo"
+}
+
+@test "basic: http url scheme is preserved" {
+  git remote set-url origin "http://github.com/user/repo.git"
+  run ../git-open
+  assert_output "http://github.com/user/repo"
+}
diff --git a/test/gitlab.bats b/test/gitlab.bats
new file mode 100644
index 0000000..ce99553
--- /dev/null
+++ b/test/gitlab.bats
@@ -0,0 +1,52 @@
+#!/usr/bin/env bats
+
+load "test_helper/index"
+
+##
+## GitLab
+##
+
+@test "gitlab: default ssh origin style" {
+  # https://github.com/paulirish/git-open/pull/55
+  git remote set-url origin "git@gitlab.example.com:user/repo"
+  run ../git-open
+  assert_output "https://gitlab.example.com/user/repo"
+}
+
+@test "gitlab: ssh://git@ origin" {
+  # https://github.com/paulirish/git-open/pull/51
+  git remote set-url origin "ssh://git@gitlab.domain.com/user/repo"
+  run ../git-open
+  assert_output "https://gitlab.domain.com/user/repo"
+  refute_output --partial "//user"
+}
+
+@test "gitlab: separate domains" {
+  # https://github.com/paulirish/git-open/pull/56
+  git remote set-url origin "git@git.example.com:namespace/project.git"
+  git config --local --add "open.https://git.example.com.domain" "gitlab.example.com"
+  run ../git-open
+  assert_output "https://gitlab.example.com/namespace/project"
+}
+
+@test "gitlab: special domain and path" {
+  git remote set-url origin "ssh://git@git.example.com:7000/XXX/YYY.git"
+  git config --local --add "open.https://git.example.com.domain" "repo.intranet/subpath"
+  git config --local --add "open.https://git.example.com.protocol" "http"
+
+  run ../git-open
+  assert_output "http://repo.intranet/subpath/XXX/YYY"
+  refute_output --partial "https://"
+}
+
+@test "gitlab: different port" {
+  # https://github.com/paulirish/git-open/pull/76
+  git remote set-url origin "ssh://git@git.example.com:7000/XXX/YYY.git"
+  run ../git-open
+  assert_output "https://git.example.com/XXX/YYY"
+  refute_output --partial ":7000"
+
+  git remote set-url origin "https://git.example.com:7000/XXX/YYY.git"
+  run ../git-open
+  assert_output "https://git.example.com:7000/XXX/YYY"
+}
diff --git a/test/test_helper/index.bash b/test/test_helper/index.bash
new file mode 100644
index 0000000..3176bc2
--- /dev/null
+++ b/test/test_helper/index.bash
@@ -0,0 +1,40 @@
+#!/usr/bin/env bats
+
+load "test_helper/bats-support/load"
+load "test_helper/bats-assert/load"
+
+foldername="sandboxrepo"
+
+setup() {
+  create_git_sandbox
+  export BROWSER=echo
+}
+
+teardown() {
+  cd ..
+  rm -rf "$foldername"
+}
+
+# helper to create a test git sandbox that won't dirty the real repo
+function create_git_sandbox() {
+  rm -rf "$foldername"
+  mkdir "$foldername"
+  cd "$foldername"
+  # safety check. Don't muck with the git repo if we're not inside the sandbox.
+  assert_equal $(basename $PWD) "$foldername"
+
+  git init -q
+  assert [ -e "../$foldername/.git" ]
+  git config user.email "test@runner.com" && git config user.name "Test Runner"
+
+  # newer git auto-creates the origin remote
+  if ! git remote add origin "github.com:paulirish/git-open.git"; then
+    git remote set-url origin "github.com:paulirish/git-open.git"
+  fi
+
+  git checkout -B "master"
+
+  echo "ok" > readme.txt
+  git add readme.txt
+  git commit -m "add file" -q
+}
diff --git a/test/vsts.bats b/test/vsts.bats
new file mode 100644
index 0000000..8f85e9d
--- /dev/null
+++ b/test/vsts.bats
@@ -0,0 +1,46 @@
+#!/usr/bin/env bats
+
+load "test_helper/index"
+
+##
+## Visual Studio Team Services
+##
+
+@test "vsts: https url" {
+  git remote set-url origin "https://gitopen.visualstudio.com/Project/_git/Repository"
+  run ../git-open
+  assert_output --partial "https://gitopen.visualstudio.com/Project/_git/Repository"
+}
+
+@test "vsts: ssh url" {
+  git remote add vsts_ssh "ssh://gitopen@gitopen.visualstudio.com:22/Project/_git/Repository"
+  run ../git-open "vsts_ssh"
+  assert_output "https://gitopen.visualstudio.com/Project/_git/Repository"
+}
+
+@test "vsts: on-premises tfs http url" {
+  git remote set-url origin "http://tfs.example.com:8080/Project/_git/Repository"
+  run ../git-open
+  assert_output --partial "http://tfs.example.com:8080/Project/_git/Repository"
+}
+
+@test "vsts: branch" {
+  git remote set-url origin "ssh://gitopen@gitopen.visualstudio.com:22/_git/Repository"
+  git checkout -B "mybranch"
+  run ../git-open
+  assert_output "https://gitopen.visualstudio.com/_git/Repository?version=GBmybranch"
+}
+
+@test "vsts: on-premises tfs branch" {
+  git remote set-url origin "http://tfs.example.com:8080/Project/Folder/_git/Repository"
+  git checkout -B "mybranch"
+  run ../git-open
+  assert_output "http://tfs.example.com:8080/Project/Folder/_git/Repository?version=GBmybranch"
+}
+
+@test "vsts: issue" {
+  git remote set-url origin "http://tfs.example.com:8080/Project/Folder/_git/Repository"
+  git checkout -B "bugfix-36"
+  run ../git-open "--issue"
+  assert_output "http://tfs.example.com:8080/Project/Folder/_workitems?id=36"
+}