dolt/bats/git-dolt.bats

#!/usr/bin/env bats

REMOTE=http://localhost:50051/test-org/test-repo

setup() { 
	if [ -z "$BATS_TMPDIR" ]; then
		export BATS_TMPDIR=$HOME/batstmp/
		mkdir $BATS_TMPDIR
	fi

	export PATH=$PATH:$GOPATH/bin
	export NOMS_VERSION_NEXT=1
	cd $BATS_TMPDIR
	mkdir remotes-$$
	echo remotesrv log available here $BATS_TMPDIR/remotes-$$/remotesrv.log
	remotesrv --http-port 1234 --dir ./remotes-$$ &> ./remotes-$$/remotesrv.log 3>&- &
	mkdir dolt-repo-$$
	cd dolt-repo-$$
	dolt init
	dolt remote add test-remote $REMOTE
	dolt push test-remote master
	export DOLT_HEAD_COMMIT=`get_head_commit`
}

teardown() {
	rm -rf $BATS_TMPDIR/{git,dolt}-repo-$$
	pkill -2 remotesrv
	rm -rf $BATS_TMPDIR/remotes-$$
}

@test "git dolt install sets up a smudge filter in the current git repository" {
	init_git_repo
	run git dolt install
	[ "$status" -eq 0 ]
	[[ "${lines[0]}" =~ "Installed git-dolt smudge filter" ]] || false
	[[ "${lines[1]}" =~ "commit the changes to .gitattributes" ]] || false

	run cat .gitattributes
	[ "${lines[0]}" = "*.git-dolt filter=git-dolt" ]

	run cat .git/config
	len=${#lines[@]}
	[ "${lines[len-2]}" = "[filter \"git-dolt\"]" ]
	[[ "${lines[len-1]}" =~ "smudge = git-dolt-smudge" ]] || false
}

@test "git dolt install works in subdirectories of the git repository" {
	init_git_repo
	mkdir -p deeply/nested/directory
	pushd deeply/nested/directory
	run git dolt install
	[ "$status" -eq 0 ]

	popd
	run cat .gitattributes
	[ "${lines[0]}" = "*.git-dolt filter=git-dolt" ]

	run cat .git/config
	len=${#lines[@]}
	[ "${lines[len-2]}" = "[filter \"git-dolt\"]" ]
	[[ "${lines[len-1]}" =~ "smudge = git-dolt-smudge" ]] || false
}

@test "git dolt install fails with a helpful error when executed outside of a git repo" {
	run git dolt install
	[ "$status" -eq 1 ]
	[[ "$output" =~ "couldn't find a .git directory" ]] || false
}

@test "git dolt link takes a remote url (and an optional revspec and destination directory), clones the repo, and outputs a pointer file" {
	init_git_repo
	run git dolt link $REMOTE
	[ "$status" -eq 0 ]
	# Ensure it reports the resolved revision
	[[ "$output" =~ "revision $DOLT_HEAD_COMMIT" ]] || false
	# Ensure it reports the pointer filename
	[[ "$output" =~ "test-repo.git-dolt" ]] || false
	# Ensure it reports the addition to .gitignore
	[[ "$output" =~ "test-repo added to .gitignore" ]] || false
	[ -d test-repo ]

	run cat test-repo.git-dolt
	[[ "${lines[0]}" =~ ^version\ [0-9]+\.[0-9]+\.[0-9]+$ ]] || false
	[ "${lines[1]}" = "remote $REMOTE" ]
	[ "${lines[2]}" = "revision $DOLT_HEAD_COMMIT" ]

	run cat .gitignore
	[[ "${lines[0]}" =~ "test-repo" ]] || false
}

@test "git dolt's smudge filter automatically clones dolt repositories referenced in checked out git-dolt pointer files" {
	init_git_repo
	git dolt install
	git dolt link $REMOTE
	git add .
	git commit -m "set up git-dolt integration"
	rm -rf test-repo test-repo.git-dolt

	run git checkout -- test-repo.git-dolt
	[[ "$output" =~ "Found git-dolt pointer file" ]] || false
	[[ "$output" =~ "Cloning remote $REMOTE" ]] || false
	[ -d test-repo ]

	cd test-repo
	[ `get_head_commit` = "$DOLT_HEAD_COMMIT" ]
}

@test "git dolt fetch takes the name of a git-dolt pointer file and clones the repo to the specified revision if it doesn't exist" {
	init_git_repo
	create_test_pointer

	run git dolt fetch test-repo
	[ "$status" -eq 0 ]
	[[ "$output" =~ "Dolt repository cloned from remote $REMOTE to directory test-repo at revision $DOLT_HEAD_COMMIT" ]] || false
	[ -d test-repo ]

	cd test-repo
	[ `get_head_commit` = "$DOLT_HEAD_COMMIT" ]
}

@test "git dolt update updates the specified pointer file to the specified revision" {
	dolt table create -s=$BATS_TEST_DIRNAME/helper/1pk5col-ints.schema test
	dolt add test
	dolt commit -m "test commit"
	export NEW_DOLT_HEAD_COMMIT=`get_head_commit`

	init_git_repo
	create_test_pointer
	run git dolt update test-repo $NEW_DOLT_HEAD_COMMIT

	[ "$status" -eq 0 ]
	[ "${lines[0]}" = "Updated pointer file test-repo.git-dolt to revision $NEW_DOLT_HEAD_COMMIT. You should git commit this change." ]

	run cat test-repo.git-dolt
	[[ "${lines[0]}" =~ ^version\ [0-9]+\.[0-9]+\.[0-9]+$ ]] || false
	[ "${lines[1]}" = "remote $REMOTE" ]
	[ "${lines[2]}" = "revision $NEW_DOLT_HEAD_COMMIT" ]
}

@test "git dolt fails helpfully when dolt is not installed" {
	mkdir TMP_PATH
	pushd TMP_PATH
	which git | xargs ln -sf
	which git-dolt | xargs ln -sf
	popd
	PATH=`pwd`/TMP_PATH run git dolt
	rm -rf TMP_PATH
	[ "$status" -eq 1 ]
	[[ "$output" =~ "It looks like Dolt is not installed on your system" ]] || false
}

@test "git dolt errors on unknown commands" {
	run git dolt nonsense
	[ "$status" -eq 1 ]
	[[ "$output" =~ "Unknown command" ]] || false
}

@test "git dolt prints usage information with no arguments" {
	run git dolt
	[[ "$output" =~ Usage ]] || false
}

init_git_repo() {
	mkdir ../git-repo-$$
	cd ../git-repo-$$
	git init
	git config user.email "foo@bar.com"
	git config user.name "Foo User"
}

create_test_pointer() {
	cat <<EOF > test-repo.git-dolt
version 0.0.0
remote $REMOTE
revision $DOLT_HEAD_COMMIT
EOF
}

get_head_commit() {
	dolt log -n 1 | grep -m 1 commit | cut -c 8-
}