Add functions for getting and comparing balances to integration tests

integrationtests/common.sh

@@ -13,6 +13,7 @@ function setup_config() {
     # TODO "taler-merchant-httpd -v" should not return an error
     [[ "$(taler-merchant-httpd -v)" =~ "taler-merchant-httpd v" ]] || exit_skip " MISSING"
     echo " FOUND"
+    bc -v >/dev/null </dev/null || exit_error "Please install bc"
 
     trap shutdown_services EXIT
 
@@ -149,6 +150,26 @@ function wait_for_service() {
     done
 }
 
+function get_balance() {
+    taler-wallet-cli --wallet-db="$WALLET_DB" balance 2>>"$LOG"
+}
+
+function assert_less_than() {
+    AMOUNT_1=${1//TESTKUDOS:/}
+    AMOUNT_2=${2//TESTKUDOS:/}
+    if (($(echo "$AMOUNT_1 >= $AMOUNT_2" | bc -l))); then
+        exit_error "$1 is not lower than $2"
+    fi
+}
+
+function assert_greater_than() {
+    AMOUNT_1=${1//TESTKUDOS:/}
+    AMOUNT_2=${2//TESTKUDOS:/}
+    if (($(echo "$AMOUNT_1 <= $AMOUNT_2" | bc -l))); then
+        exit_error "$1 is not greater than $2"
+    fi
+}
+
 function shutdown_services() {
     echo "Shutting down services"
     jobs -p | xargs --no-run-if-empty kill || true
@@ -171,7 +192,7 @@ function exit_skip() {
 }
 
 function exit_error() {
-    echo "\033[0;31mError: $1\033[0m"
+    echo -e "\033[0;31mError: $1\033[0m"
     exit 1
 }
 

integrationtests/test-double-link.sh

@@ -7,13 +7,13 @@ normal_start_and_wait  "double-link"
 echo "Getting pay taler:// Uri"
 PAY_URI=$(taler-wallet-cli testing gen-pay-uri -m "$MERCHANT_URL" -k sandbox -a "TESTKUDOS:1" -s "foo" | grep -E -o 'taler://.*')
 echo "Trying to pay without balance"
-taler-wallet-cli --wallet-db=$WALLET_DB --no-throttle handle-uri --yes "$PAY_URI" 2>&1 | grep -q "insufficient balance" || exit_error "not reporting insufficient balance"
+taler-wallet-cli --wallet-db="$WALLET_DB" --no-throttle handle-uri --yes "$PAY_URI" 2>&1 | grep -q "insufficient balance" || exit_error "not reporting insufficient balance"
 echo "Withdrawing"
-taler-wallet-cli --wallet-db=$WALLET_DB --no-throttle testing withdraw -e "$EXCHANGE_URL" -b "$BANK_URL" -a "TESTKUDOS:10" > /dev/null
+taler-wallet-cli --wallet-db="$WALLET_DB" --no-throttle testing withdraw -e "$EXCHANGE_URL" -b "$BANK_URL" -a "TESTKUDOS:10" > /dev/null
 echo "Trying to pay again, should work this time"
-taler-wallet-cli --wallet-db=$WALLET_DB --no-throttle handle-uri --yes "$PAY_URI" > /dev/null
+taler-wallet-cli --wallet-db="$WALLET_DB" --no-throttle handle-uri --yes "$PAY_URI" > /dev/null
 echo "Trying to pay what was paid already should throw error"
-taler-wallet-cli --wallet-db=$WALLET_DB --no-throttle handle-uri --yes "$PAY_URI" 2>&1 | grep -q "already paid" || exit_error "not reporting already paid"
+taler-wallet-cli --wallet-db="$WALLET_DB" --no-throttle handle-uri --yes "$PAY_URI" 2>&1 | grep -q "already paid" || exit_error "not reporting already paid"
 echo "Already paid properly detected"
 
 exit_success

integrationtests/test-double-spend.sh

@@ -10,12 +10,10 @@ taler-wallet-cli --wallet-db="$WALLET_DB" --no-throttle testing withdraw -e "$EX
 cp "$WALLET_DB" "$WALLET_DB.bak"
 echo "Spend all the money"
 taler-wallet-cli --wallet-db="$WALLET_DB" testing test-pay -m "$MERCHANT_URL" -k sandbox -a "TESTKUDOS:9.5" -s "foo"
-echo "New balance:"
+echo "New balance: $(get_balance)"
-taler-wallet-cli --wallet-db="$WALLET_DB" balance
 # Restore old wallet database
 mv "$WALLET_DB.bak" "$WALLET_DB"
-echo "Balance after getting old coins back:"
+echo "Balance after getting old coins back: $(get_balance)"
-taler-wallet-cli --wallet-db="$WALLET_DB" balance
 echo "Try to double-spend"
 # TODO this should probably fail more gracefully
 # "exchange_reply: { hint: 'insufficient funds', code: 1200 }

integrationtests/test-refund.sh

@@ -6,18 +6,21 @@ normal_start_and_wait "refund"
 
 echo "Withdraw TESTKUDOS"
 taler-wallet-cli --wallet-db="$WALLET_DB" --no-throttle testing withdraw -e "$EXCHANGE_URL" -b "$BANK_URL" -a "TESTKUDOS:10" >>"$LOG" 2>>"$LOG"
-echo -n "Balance after withdrawal: "
+BALANCE_1=$(get_balance)
-taler-wallet-cli --wallet-db="$WALLET_DB" balance 2>>"$LOG"
+echo "Balance after withdrawal: $BALANCE_1"
 REFUND_URI=$(taler-wallet-cli --wallet-db="$WALLET_DB" --no-throttle testing gen-refund-uri \
     -m "$MERCHANT_URL" -k sandbox \
     -s "first refund" -a "TESTKUDOS:8" -r "TESTKUDOS:2" 2>>"$LOG" | grep -E -m 1 -o "taler://refund.*insecure=1")
-echo -n "Balance after payment: "
+BALANCE_2=$(get_balance)
+echo "Balance after payment: $BALANCE_2"
+assert_less_than "$BALANCE_2" "$BALANCE_1"
 taler-wallet-cli --wallet-db="$WALLET_DB" balance 2>>"$LOG"
 echo "Handling refund: $REFUND_URI"
 taler-wallet-cli --wallet-db="$WALLET_DB" --no-throttle handle-uri "$REFUND_URI" 2>"$LOG"
 taler-wallet-cli --wallet-db="$WALLET_DB" run-until-done 2>>"$LOG" >>"$LOG"
-echo -n "Balance after first refund: "
+BALANCE_3=$(get_balance)
-taler-wallet-cli --wallet-db="$WALLET_DB" balance 2>>"$LOG"
+echo "Balance after first refund: $BALANCE_3"
+assert_greater_than "$BALANCE_3" "$BALANCE_2"
 # TODO how to test second refund for same purchase?
 
 exit_success

integrationtests/test-retries.sh

@@ -8,8 +8,8 @@ normal_start_and_wait "retries"
 
 echo "Withdraw TESTKUDOS"
 taler-wallet-cli --wallet-db="$WALLET_DB" --no-throttle testing withdraw -e "$EXCHANGE_URL" -b "$BANK_URL" -a "TESTKUDOS:10" 2>>"$LOG" >>"$LOG"
-echo -n "Balance after withdrawal: "
+BALANCE_1=$(get_balance)
-taler-wallet-cli --wallet-db="$WALLET_DB" balance 2>>"$LOG"
+echo "Balance after withdrawal: $BALANCE_1"
 echo "Getting pay taler:// Uri"
 PAY_URI=$(taler-wallet-cli testing gen-pay-uri -m "$MERCHANT_URL" -k sandbox -a "TESTKUDOS:1" -s "foo" | grep -E -o 'taler://.*')
 echo "Trying to pay with exchange down, will fail"
@@ -23,8 +23,9 @@ echo -n "Wait for exchange to start"
 wait_for_service "$EXCHANGE_URL"
 echo "Retrying operations with exchange up"
 taler-wallet-cli --wallet-db="$WALLET_DB" run-until-done 2>>"$LOG" >>"$LOG"
-echo -n "Balance after re-tried payment: "
+BALANCE_2=$(get_balance)
-taler-wallet-cli --wallet-db="$WALLET_DB" balance 2>>"$LOG"
+echo "Balance after re-tried payment: $BALANCE_2"
+assert_less_than "$BALANCE_2" "$BALANCE_1"
 
 echo "Getting pay taler:// Uri"
 PAY_URI=$(taler-wallet-cli testing gen-pay-uri -m "$MERCHANT_URL" -k sandbox -a "TESTKUDOS:1" -s "foo" | grep -E -o 'taler://.*')
@@ -39,7 +40,8 @@ echo -n "Wait for merchant to start"
 wait_for_service "$MERCHANT_URL"
 echo "Retrying payment with merchant up"
 taler-wallet-cli --wallet-db="$WALLET_DB" --no-throttle handle-uri --yes "$PAY_URI" 2>>"$LOG" >>"$LOG"
-echo -n "Balance after re-tried payment: "
+BALANCE_3=$(get_balance)
-taler-wallet-cli --wallet-db="$WALLET_DB" balance 2>>"$LOG"
+echo "Balance after re-tried payment: $BALANCE_3"
+assert_less_than "$BALANCE_3" "$BALANCE_2"
 
 exit_success