From 8120fe7d5d3770d20380497a23eff103c342833e Mon Sep 17 00:00:00 2001
From: mmetc <92726601+mmetc@users.noreply.github.com>
Date: Thu, 10 Mar 2022 13:59:10 +0100
Subject: [PATCH] fix for /usr/bin/wc on freebsd (#1338)

* fix for /usr/bin/wc on freebsd
* check for python3 in bats-test
---
 tests/README.md            | 7 ++++++-
 tests/bats/70_plugins.bats | 2 ++
 tests/run-tests            | 4 ++++
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/tests/README.md b/tests/README.md
index 194f542de..1f00523e6 100644
--- a/tests/README.md
+++ b/tests/README.md
@@ -279,7 +279,12 @@ it with `run jq <(output)` you can only do it once, because the second time it
 will read the output of the `jq` command. But you can construct a list of all
 the values you want and check them all in a single step.
 
-See `lib/setup_file.sh` for other tricks we employ.
+Note that `<(output)` is substituted with the file name of a file descriptor,
+so `mycmd <(output)` can become `mycmd /dev/fd/23`, `mycmd /tmp//sh-np.hpc7Zs`
+or `mycmd /proc/self/fd/38` depending on the platform. To have it fed to
+standard input, use `< <(output)`.
+
+See the `lib/*.sh` and `bats/*.bats` files for other tricks we employ.
 
 ## file operations
 
diff --git a/tests/bats/70_plugins.bats b/tests/bats/70_plugins.bats
index 7adeed10c..6ba989975 100644
--- a/tests/bats/70_plugins.bats
+++ b/tests/bats/70_plugins.bats
@@ -54,6 +54,8 @@ setup() {
 
 @test "$FILE expected 1 log line from http server" {
     run -0 wc -l <"${MOCK_OUT}"
+    # wc can pad with spaces on some platforms
+    run -0 tr -d ' ' < <(output)
     assert_output 1
 }
 
diff --git a/tests/run-tests b/tests/run-tests
index d759fa210..0cd094623 100755
--- a/tests/run-tests
+++ b/tests/run-tests
@@ -15,6 +15,10 @@ TEST_DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
 
 
 check_requirements() {
+    if ! command -v python3 >/dev/null; then
+        die "missing required program 'python3'"
+    fi
+
     if ! command -v nc >/dev/null; then
         die "missing required program 'nc' (package 'netcat-openbsd')"
     fi