testing.sh

#!/bin/sh

# START CONFIG
USER_AGENT=''
CLIENT_ID=''
CLIENT_SECRET=''
USERNAME=''
PASSWORD=''
# END CONFIG

# DO NOT EDIT BELOW THIS LINE

#region dns
t_dns() {
  ip="$(LC_ALL=C nslookup $1 2>/dev/null | sed -nr '/Name/,+1s|Address(es)?: *||p')"
  echo "$ip"

  if [ "$ip" == "0.0.0.0" ] || [ "$ip" == "127.0.0.1" ] ; then
    return 1
  else
    return 0
  fi
}
#endregion dns

#region curl
t_curl() {
  curl -sf "$1"
}

h_curl_grant() {
  curl -sfX POST -H "Content-Type: application/x-www-form-urlencoded" \
    -u "${CLIENT_ID}:${CLIENT_SECRET}" \
    --data-ascii "api_type=json&$1" \
    'https://www.reddit.com/api/v1/access_token'
}

t_curl_grant_cc() {
  h_curl_grant "grant_type=client_credentials"
}

t_curl_grant_pw() {
  # URL encode the username and password before using
  SAFE_USERNAME=$(perl -MURI::Escape -e 'print uri_escape($ARGV[0]);' "$USERNAME")
  SAFE_PASSWORD=$(perl -MURI::Escape -e 'print uri_escape($ARGV[0]);' "$PASSWORD")

  h_curl_grant "grant_type=password&username=${SAFE_USERNAME}&password=${SAFE_PASSWORD}"
}
#endregion curl

#region npm

h_npm() {
  tmpdir="$(mktemp -d)"
  cd "$tmpdir"
  npm init -y
  npm i $1
  echo "$2" > run.js
  node run.js
  code=$?
  rm -rf "$tmpdir"
  return $code
}

#region got
h_got() {
  h_npm "got@11" "const got = require(\"got\");$($@)"
}

t_got_get() {
  h_got echo "got.get(\"$1\");"
}

h_got_grant() {
  h_got cat <<EOF
got.post("https://www.reddit.com/api/v1/access_token", {
  headers: { "user-agent": "${USER_AGENT}" },
  form: {
    api_type: "json",
    $1
  },
  username: "${CLIENT_ID}",
  password: "${CLIENT_SECRET}",
}).then(console.log);
EOF
}

t_got_grant_cc() {
  h_got_grant 'grant_type: "client_credentials"'
}

t_got_grant_pw() {
  h_got_grant "grant_type: 'password', username: '${USERNAME}', password: '${PASSWORD}'"
}
#endregion got

#region snoots
t_snoots() {
  contents=$(cat <<EOF
const {Client} = require("snoots");

const client = new Client({
  userAgent: "${USER_AGENT}",
  creds: {
    clientId: "${CLIENT_ID}",
    clientSecret: "${CLIENT_SECRET}",
  },
  auth: {
    username: "${USERNAME}",
    password: "${PASSWORD}",
  },
});

void (async () => {
  const sub = await client.subreddits.fetch("funny");
  const post = await sub.getRandomPost();
  console.log(post.title, post.author, post.score, post.id);
})();

EOF
)

  h_npm "snoots" "$contents"
}
#endregion snoots

#endregion npm

# Run a test and pretty-print the output
test() {
  MSG="$1"
  shift
  printf "\033[34m[TEST]\033[0m $MSG"

  output="$(2>&1 $@)"
  if [ "$?" -eq "0" ] ; then
    printf "\r\033[32m[ OK ]\033[0m $MSG\n"
  else
    printf "\r\033[31m[FAIL]\033[0m $MSG\n"
    echo "$output"
    echo
  fi
}

# Actually run tests

# Test dns resolution
test 'dns: reddit.com' t_dns 'reddit.com'
test 'dns: www.reddit.com' t_dns 'www.reddit.com'

# Test URLs (via cURL)
test 'curl: https://reddit.com' t_curl 'https://reddit.com'
test 'curl: https://www.reddit.com' t_curl 'https://www.reddit.com'

# Test grants (via cURL)
test 'curl: client credentials grant' t_curl_grant_cc
test 'curl: password grant' t_curl_grant_pw

# Test URLs (via got)
test 'got: https://reddit.com' t_got_get 'https://reddit.com'
test 'got: https://www.reddit.com' t_got_get 'https://www.reddit.com'

# Test grants (via got)
test 'curl: client credentials grant' t_got_grant_cc
test 'curl: password grant' t_got_grant_pw

# Test snoots
test 'snoots' t_snoots

testing2.sh

#!/bin/sh

# START CONFIG
USER_AGENT=''
CLIENT_ID=''
CLIENT_SECRET=''
USERNAME=''
PASSWORD=''
# END CONFIG

# DO NOT EDIT BELOW THIS LINE

#region curl
h_curl_grant() {
  curl -sSX POST -H "Content-Type: application/x-www-form-urlencoded" \
    -u "${CLIENT_ID}:${CLIENT_SECRET}" \
    --data-ascii "api_type=json&$1" \
    'https://www.reddit.com/api/v1/access_token'
}

t_curl_grant_cc() {
  h_curl_grant "grant_type=client_credentials"
}

t_curl_grant_pw() {
  # URL encode the username and password before using
  SAFE_USERNAME=$(perl -MURI::Escape -e 'print uri_escape($ARGV[0]);' "$USERNAME")
  SAFE_PASSWORD=$(perl -MURI::Escape -e 'print uri_escape($ARGV[0]);' "$PASSWORD")

  h_curl_grant "grant_type=password&username=${SAFE_USERNAME}&password=${SAFE_PASSWORD}"
}
#endregion curl

echo 'creds grant:'
t_curl_grant_cc

echo 'password grant:'
t_curl_grant_pw