Merge pull request #14 from DannyBen/add/auto-approve

Add auto-approval with `AUTO_APPROVE` environment variable

README.md

@@ -23,8 +23,8 @@ expected output stored in the approvals folder.
   test will pass.
 - When a new/updated approval is rejected, your tests will exit immediately
   with exit code 1.
-- When running in a CI environment (CI variable exists), or on GitHub
-  Actions (GITHUB_ACTIONS variable exists), your tests will run in
+- When running in a CI environment (`CI` variable exists), or on GitHub
+  Actions (`GITHUB_ACTIONS` variable exists), your tests will run in
   non-interactive mode - tests will fail automatically if they do not match.
 
 
@@ -131,6 +131,12 @@ approve "..."
 ```
 
 
+## Auto-approval
+
+Setting `AUTO_APPROVE=1` prior to running your tests will automatically approve
+all tests, as if the user has pressed `a` to approve each changed or new test.
+
+
 ## Compatibility
 
 approvals.bash was tested in **bash** (version 4.0 or higher) and **zsh**,

approvals.bash

@@ -87,14 +87,19 @@ user_approval() {
   local actual="$2"
   local approval_file="$3"
 
-  if [[ -v CI || -v GITHUB_ACTIONS ]]; then
+  if [[ -v CI || -v GITHUB_ACTIONS ]] && [[ -z "${AUTO_APPROVE+x}" ]]; then
     fail "$cmd"
   fi
 
-  echo
-  printf "$approval_string"
-  response=$(bash -c "read -n 1 key; echo \$key")
-  printf "\b%.s" $(seq 1 $((${#approval_string} + 1)))
+  if [[ -v AUTO_APPROVE ]]; then
+    response=a
+  else
+    echo
+    printf "$approval_string"
+    response=$(bash -c "read -n 1 key; echo \$key")
+    printf "\b%.s" $(seq 1 $((${#approval_string} + 1)))
+  fi
+
   if [[ $response =~ [Aa] ]]; then
     printf "%b\n" "$actual" >"$approval_file"
     pass "$cmd"
@@ -128,8 +133,8 @@ fail_string="  $(red FAILED)     %s"
 pass_string="  $(green approved)   %s"
 exit_success_string="$(green ▌ exit)       $(bold %s finished successfully)"
 exit_failed_string="$(red ▌ exit)       $(bold %s finished with errors)"
-new_diff_string="────┤ $(yellow new): $(bold %s)) ├────"
-changed_diff_string="────┤ $(cyan changed): $(bold %s)) ├────"
+new_diff_string="────┤ $(yellow new): $(bold %s) ├────"
+changed_diff_string="────┤ $(cyan changed): $(bold %s) ├────"
 approval_string="[A]pprove? "
 
 if diff --help | grep -- --color >/dev/null 2>&1; then

test/approvals/.gitignore

@@ -0,0 +1 @@
+ls

test/approve

@@ -22,4 +22,15 @@ context "when APPROVALS_DIR is set"
   APPROVALS_DIR=alt-approvals
 
   describe "writes approvals to a different directory"
-    approve "./sample-cli-app.sh"
+    approve "./sample-cli-app.sh"
+
+  unset APPROVALS_DIR
+
+context "when AUTO_APPROVE is set"
+  AUTO_APPROVE=1
+  rm -f approvals/ls
+
+  describe "writes approvals without prompting the user"
+    approve "ls"
+
+  unset AUTO_APPROVE