diff --git a/orcli b/orcli
index 52d5779..2bdc2bd 100755
--- a/orcli
+++ b/orcli
@@ -38,6 +38,7 @@ orcli_usage() {
   echo "  import        commands to create OpenRefine projects from files or URLs"
   echo "  list          list projects on OpenRefine server"
   echo "  info          show OpenRefine project's metadata"
+  echo "  test          run functional tests on tmp OpenRefine workspace"
   echo "  transform     apply undo/redo JSON file(s) to an OpenRefine project"
   echo "  export        commands to export data from OpenRefine projects to files"
   echo "  run           run tmp OpenRefine workspace and execute shell script(s)"
@@ -363,6 +364,44 @@ orcli_info_usage() {
   fi
 }
 
+# :command.usage
+orcli_test_usage() {
+  if [[ -n $long_usage ]]; then
+    printf "orcli test - run functional tests on tmp OpenRefine workspace\n"
+    echo
+
+  else
+    printf "orcli test - run functional tests on tmp OpenRefine workspace\n"
+    echo
+
+  fi
+
+  printf "Usage:\n"
+  printf "  orcli test [FILE...]\n"
+  printf "  orcli test --help | -h\n"
+  echo
+
+  # :command.long_usage
+  if [[ -n $long_usage ]]; then
+    printf "Options:\n"
+
+    # :command.usage_fixed_flags
+    echo "  --help, -h"
+    printf "    Show this help\n"
+    echo
+
+    # :command.usage_args
+    printf "Arguments:\n"
+
+    # :argument.usage
+    echo "  FILE..."
+    printf "    Path to one or more files\n"
+    printf "    Default: tests/*.sh\n"
+    echo
+
+  fi
+}
+
 # :command.usage
 orcli_transform_usage() {
   if [[ -n $long_usage ]]; then
@@ -880,12 +919,16 @@ send_completions() {
   echo $'      while read -r; do COMPREPLY+=( "$REPLY" ); done < <( compgen -W "$(_orcli_completions_filter "--help -h")" -- "$cur" )'
   echo $'      ;;'
   echo $''
+  echo $'    \'test\'*)'
+  echo $'      while read -r; do COMPREPLY+=( "$REPLY" ); done < <( compgen -W "$(_orcli_completions_filter "--help -h")" -- "$cur" )'
+  echo $'      ;;'
+  echo $''
   echo $'    \'run\'*)'
   echo $'      while read -r; do COMPREPLY+=( "$REPLY" ); done < <( compgen -W "$(_orcli_completions_filter "--help --interactive --memory --port --quiet -h -q")" -- "$cur" )'
   echo $'      ;;'
   echo $''
   echo $'    *)'
-  echo $'      while read -r; do COMPREPLY+=( "$REPLY" ); done < <( compgen -W "$(_orcli_completions_filter "--help --version -h -v completions export import info list run transform")" -- "$cur" )'
+  echo $'      while read -r; do COMPREPLY+=( "$REPLY" ); done < <( compgen -W "$(_orcli_completions_filter "--help --version -h -v completions export import info list run test transform")" -- "$cur" )'
   echo $'      ;;'
   echo $''
   echo $'  esac'
@@ -1004,6 +1047,84 @@ orcli_info_command() {
   echo "$projectid"
 }
 
+# :command.function
+orcli_test_command() {
+  # src/test_command.sh
+  # shellcheck shell=bash
+
+  # catch args, convert the space delimited string to an array
+  files=()
+  eval "files=(${args[file]})"
+
+  # check existence of files
+  for i in "${!files[@]}"; do
+      if ! [[ -f "${files[$i]}" ]]; then
+          error "cannot open ${files[$i]} (no such file)!"
+      fi
+  done
+
+  # locate orcli and OpenRefine
+  scriptpath=$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")
+  if [[ -x "${scriptpath}/refine" ]]; then
+      openrefine="${scriptpath}/refine"
+  else
+      error "OpenRefine's startup script (refine) not found!" "Did you put orcli in your OpenRefine app dir?"
+  fi
+
+  # create tmp directory
+  OPENREFINE_TMPDIR="$(mktemp -d)"
+  trap '{ rm -rf "$OPENREFINE_TMPDIR"; }' 0 2 3 15
+
+  # check if OpenRefine is already running
+  if curl -fs "${OPENREFINE_URL}" &>/dev/null; then
+      error "OpenRefine is already running."
+  fi
+
+  # start OpenRefine with tmp workspace and autosave period 25 hours
+  REFINE_AUTOSAVE_PERIOD=1440 $openrefine -d "$OPENREFINE_TMPDIR" -x refine.headless=true -v warn &>"$OPENREFINE_TMPDIR/openrefine.log" &
+  OPENREFINE_PID="$!"
+
+  # update trap to kill OpenRefine on error or exit
+  trap '{ rm -rf "$OPENREFINE_TMPDIR"; kill -9 "$OPENREFINE_PID"; }' 0 2 3 15
+
+  # wait until OpenRefine is running (timeout 20s)
+  if ! curl -fs --retry 20 --retry-connrefused --retry-delay 1 "${OPENREFINE_URL}/command/core/get-version" &>/dev/null; then
+      error "starting OpenRefine server failed!"
+  else
+      log "started OpenRefine with tmp workspace ${OPENREFINE_TMPDIR}"
+  fi
+
+  # execute script(s) in subshell
+  export OPENREFINE_TMPDIR OPENREFINE_URL OPENREFINE_PID
+  results=()
+  for i in "${!files[@]}"; do
+      set +e
+      bash <(
+          if ! command -v orcli &>/dev/null; then
+              echo "shopt -s expand_aliases"
+              echo "alias orcli=${scriptpath}/orcli"
+          fi
+          awk 1 "${files[$i]}"
+      ) &>"$OPENREFINE_TMPDIR/test.log"
+      results+=(${?})
+      set -e
+      if [[ "${results[$i]}" =~ [1-9] ]]; then
+          cat "$OPENREFINE_TMPDIR/test.log"
+          log "FAILED ${files[$i]} with exit code ${results[$i]}!"
+      else
+          log "PASSED ${files[$i]}"
+      fi
+  done
+
+  # summary
+  if [[ "${results[*]}" =~ [1-9] ]]; then
+      error "failed tests!"
+  else
+      log "all tests passed!"
+  fi
+
+}
+
 # :command.function
 orcli_transform_command() {
   # src/transform_command.sh
@@ -1316,6 +1437,13 @@ parse_requirements() {
     shift $#
     ;;
 
+  test )
+    action="test"
+    shift
+    orcli_test_parse_requirements "$@"
+    shift $#
+    ;;
+
   transform )
     action="transform"
     shift
@@ -1768,6 +1896,53 @@ orcli_info_parse_requirements() {
 
 }
 
+# :command.parse_requirements
+orcli_test_parse_requirements() {
+  # :command.fixed_flags_filter
+  case "${1:-}" in
+  --help | -h )
+    long_usage=yes
+    orcli_test_usage
+    exit
+    ;;
+
+  esac
+
+  # :command.command_filter
+  action="test"
+
+  # :command.parse_requirements_while
+  while [[ $# -gt 0 ]]; do
+    key="$1"
+    case "$key" in
+
+    -?* )
+      printf "invalid option: %s\n" "$key" >&2
+      exit 1
+      ;;
+
+    * )
+      # :command.parse_requirements_case
+      # :command.parse_requirements_case_repeatable
+      if [[ -z ${args[file]+x} ]]; then
+
+        args[file]="\"$1\""
+        shift
+      else
+        args[file]="${args[file]} \"$1\""
+        shift
+      fi
+
+      ;;
+
+    esac
+  done
+
+  # :command.default_assignments
+  [[ -n ${args[file]:-} ]] || args[file]="tests/*.sh"
+
+}
+
 # :command.parse_requirements
 orcli_transform_parse_requirements() {
   # :command.fixed_flags_filter
@@ -2147,6 +2322,14 @@ run() {
       orcli_info_command
     fi
 
+  elif [[ $action == "test" ]]; then
+    if [[ ${args[--help]:-} ]]; then
+      long_usage=yes
+      orcli_test_usage
+    else
+      orcli_test_command
+    fi
+
   elif [[ $action == "transform" ]]; then
     if [[ ${args[--help]:-} ]]; then
       long_usage=yes
diff --git a/src/bashly.yml b/src/bashly.yml
index dbe56ae..335e910 100644
--- a/src/bashly.yml
+++ b/src/bashly.yml
@@ -116,6 +116,14 @@ commands:
       - orcli info "duplicates"
       - orcli info 1234567890123
 
+  - name: test
+    help: run functional tests on tmp OpenRefine workspace
+    args:
+      - name: file
+        help: Path to one or more files
+        default: "tests/*.sh"
+        repeatable: true
+
   - name: transform
     help: apply undo/redo JSON file(s) to an OpenRefine project
     args:
diff --git a/src/lib/send_completions.sh b/src/lib/send_completions.sh
index dbee111..5cadb15 100644
--- a/src/lib/send_completions.sh
+++ b/src/lib/send_completions.sh
@@ -66,12 +66,16 @@ send_completions() {
   echo $'      while read -r; do COMPREPLY+=( "$REPLY" ); done < <( compgen -W "$(_orcli_completions_filter "--help -h")" -- "$cur" )'
   echo $'      ;;'
   echo $''
+  echo $'    \'test\'*)'
+  echo $'      while read -r; do COMPREPLY+=( "$REPLY" ); done < <( compgen -W "$(_orcli_completions_filter "--help -h")" -- "$cur" )'
+  echo $'      ;;'
+  echo $''
   echo $'    \'run\'*)'
   echo $'      while read -r; do COMPREPLY+=( "$REPLY" ); done < <( compgen -W "$(_orcli_completions_filter "--help --interactive --memory --port --quiet -h -q")" -- "$cur" )'
   echo $'      ;;'
   echo $''
   echo $'    *)'
-  echo $'      while read -r; do COMPREPLY+=( "$REPLY" ); done < <( compgen -W "$(_orcli_completions_filter "--help --version -h -v completions export import info list run transform")" -- "$cur" )'
+  echo $'      while read -r; do COMPREPLY+=( "$REPLY" ); done < <( compgen -W "$(_orcli_completions_filter "--help --version -h -v completions export import info list run test transform")" -- "$cur" )'
   echo $'      ;;'
   echo $''
   echo $'  esac'
diff --git a/src/test_command.sh b/src/test_command.sh
new file mode 100644
index 0000000..813d9d3
--- /dev/null
+++ b/src/test_command.sh
@@ -0,0 +1,72 @@
+# shellcheck shell=bash
+
+# catch args, convert the space delimited string to an array
+files=()
+eval "files=(${args[file]})"
+
+# check existence of files
+for i in "${!files[@]}"; do
+    if ! [[ -f "${files[$i]}" ]]; then
+        error "cannot open ${files[$i]} (no such file)!"
+    fi
+done
+
+# locate orcli and OpenRefine
+scriptpath=$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")
+if [[ -x "${scriptpath}/refine" ]]; then
+    openrefine="${scriptpath}/refine"
+else
+    error "OpenRefine's startup script (refine) not found!" "Did you put orcli in your OpenRefine app dir?"
+fi
+
+# create tmp directory
+OPENREFINE_TMPDIR="$(mktemp -d)"
+trap '{ rm -rf "$OPENREFINE_TMPDIR"; }' 0 2 3 15
+
+# check if OpenRefine is already running
+if curl -fs "${OPENREFINE_URL}" &>/dev/null; then
+    error "OpenRefine is already running."
+fi
+
+# start OpenRefine with tmp workspace and autosave period 25 hours
+REFINE_AUTOSAVE_PERIOD=1440 $openrefine -d "$OPENREFINE_TMPDIR" -x refine.headless=true -v warn &>"$OPENREFINE_TMPDIR/openrefine.log" &
+OPENREFINE_PID="$!"
+
+# update trap to kill OpenRefine on error or exit
+trap '{ rm -rf "$OPENREFINE_TMPDIR"; kill -9 "$OPENREFINE_PID"; }' 0 2 3 15
+
+# wait until OpenRefine is running (timeout 20s)
+if ! curl -fs --retry 20 --retry-connrefused --retry-delay 1 "${OPENREFINE_URL}/command/core/get-version" &>/dev/null; then
+    error "starting OpenRefine server failed!"
+else
+    log "started OpenRefine with tmp workspace ${OPENREFINE_TMPDIR}"
+fi
+
+# execute script(s) in subshell
+export OPENREFINE_TMPDIR OPENREFINE_URL OPENREFINE_PID
+results=()
+for i in "${!files[@]}"; do
+    set +e
+    bash <(
+        if ! command -v orcli &>/dev/null; then
+            echo "shopt -s expand_aliases"
+            echo "alias orcli=${scriptpath}/orcli"
+        fi
+        awk 1 "${files[$i]}"
+    ) &>"$OPENREFINE_TMPDIR/test.log"
+    results+=(${?})
+    set -e
+    if [[ "${results[$i]}" =~ [1-9] ]]; then
+        cat "$OPENREFINE_TMPDIR/test.log"
+        log "FAILED ${files[$i]} with exit code ${results[$i]}!"
+    else
+        log "PASSED ${files[$i]}"
+    fi
+done
+
+# summary
+if [[ "${results[*]}" =~ [1-9] ]]; then
+    error "failed tests!"
+else
+    log "all tests passed!"
+fi
diff --git a/tests/fail.sh b/tests/fail.sh
new file mode 100644
index 0000000..50acc94
--- /dev/null
+++ b/tests/fail.sh
@@ -0,0 +1,29 @@
+#!/bin/bash
+
+# environment
+t=import-csv
+mkdir "${OPENREFINE_TMPDIR}/${t}"
+cd "${OPENREFINE_TMPDIR}/${t}" || exit 1
+
+# data
+cat << "DATA" > "test.csv"
+a,b,c
+1,2,3
+0,0,0
+$,\,'
+DATA
+
+# assertion
+cat << "DATA" > "test.assert"
+a	b	c
+1	2	3
+0	1	0
+$	\	'
+DATA
+
+# action
+orcli import csv "test.csv"
+orcli export tsv "test csv" --output "test.output"
+
+# test
+diff -u "test.assert" "test.output"
\ No newline at end of file
diff --git a/tests/import-csv.sh b/tests/import-csv.sh
new file mode 100644
index 0000000..878a9e5
--- /dev/null
+++ b/tests/import-csv.sh
@@ -0,0 +1,29 @@
+#!/bin/bash
+
+# environment
+t=import-csv
+mkdir "${OPENREFINE_TMPDIR}/${t}"
+cd "${OPENREFINE_TMPDIR}/${t}" || exit 1
+
+# data
+cat << "DATA" > "test.csv"
+a,b,c
+1,2,3
+0,0,0
+$,\,'
+DATA
+
+# assertion
+cat << "DATA" > "test.assert"
+a	b	c
+1	2	3
+0	0	0
+$	\	'
+DATA
+
+# action
+orcli import csv "test.csv"
+orcli export tsv "test csv" --output "test.output"
+
+# test
+diff -u "test.assert" "test.output"
\ No newline at end of file