Merge pull request #400 from liquidata-inc/tim/arg-parsing-bats

Added 2 skipped argument parsing bats tests.

bats/arg-parsing.bats

@@ -0,0 +1,51 @@
+#!/usr/bin/env bats
+load $BATS_TEST_DIRNAME/helper/common.bash
+
+setup() {
+    setup_common
+    mkdir $BATS_TMPDIR/config-test$$
+    nativevar DOLT_ROOT_PATH $BATS_TMPDIR/config-test$$ /p
+    cd $BATS_TMPDIR/dolt-repo-$$
+}
+
+teardown() {
+    teardown_common
+    rm -rf "$BATS_TMPDIR/config-test$$"
+}
+
+@test "dolt supports Nix style argument parsing" {
+    dolt checkout -b this-should-work
+    run dolt branch
+    [ $status -eq 0 ]
+    [[ "$output" =~ "this-should-work" ]] || false
+    dolt checkout master
+    dolt branch -d this-should-work
+
+    dolt checkout -b "this-should-work"
+    run dolt branch
+    [ $status -eq 0 ]
+    [[ "$output" =~ "this-should-work" ]] || false
+    dolt checkout master
+    dolt branch -d "this-should-work"
+
+    dolt checkout --b "this-should-work"
+    run dolt branch
+    [ $status -eq 0 ]
+    [[ "$output" =~ "this-should-work" ]] || false
+    dolt checkout master
+    dolt branch --d "this-should-work"
+
+    skip "Need spaces after single dash arguments"
+    dolt checkout -bthis-should-work
+    run dolt branch
+    [ $status -eq 0 ]
+    [[ "$output" =~ "this-should-work" ]] || false
+    dolt checkout master
+    dolt branch -dthis-should-work
+}
+
+@test "dolt supports chaining of modal arguments" {
+    dolt sql -q "create table test(pk int, primary key (pk))"
+    skip "Can't chain modal arguments"
+    dolt table import -fc test `batshelper 1pk5col-ints.csv`
+}