From 55336c5ec52641fe4a4abbb0cd113f68b7a3d888 Mon Sep 17 00:00:00 2001
From: Buck Evan <buck.2019@gmail.com>
Date: Tue, 10 May 2022 19:29:35 +0000
Subject: [PATCH 1/3] Better formatting for test errors.

---
 test.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test.sh b/test.sh
index 83e2e62..cc5e7c7 100755
--- a/test.sh
+++ b/test.sh
@@ -15,7 +15,7 @@ trap 'err_report' ERR
 
 cat "test/${PYTHON_VERSION}_unformatted.py" | python3 cblack.py -q - > test/${PYTHON_VERSION}_reformatted.py
 
-diff test/${PYTHON_VERSION}_expected.py test/${PYTHON_VERSION}_reformatted.py
+diff -u --color=auto test/${PYTHON_VERSION}_expected.py test/${PYTHON_VERSION}_reformatted.py
 
 echo "Test ${PYTHON_VERSION} Succeeded!"
 exit 0

From b0a17331321c9a77402e81a9fbf60981aae4a82a Mon Sep 17 00:00:00 2001
From: Buck Evan <buck.2019@gmail.com>
Date: Tue, 10 May 2022 19:30:04 +0000
Subject: [PATCH 2/3] double-check python version during test

this prevents errors when testing interactively
---
 test.sh | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/test.sh b/test.sh
index cc5e7c7..30091d8 100755
--- a/test.sh
+++ b/test.sh
@@ -13,6 +13,18 @@ err_report() {
 
 trap 'err_report' ERR
 
+PYTHON_VERSION2="$(python3 -c 'if True:
+    import sys
+    major, minor = sys.version_info[:2]
+    print(major, minor, sep=".")
+')"
+
+if [[ $PYTHON_VERSION != $PYTHON_VERSION2 ]]; then
+  echo >&2 \
+    "wrong python version! (found $PYTHON_VERSION2 expected $PYTHON_VERSION)" \
+  exit 1
+fi
+
 cat "test/${PYTHON_VERSION}_unformatted.py" | python3 cblack.py -q - > test/${PYTHON_VERSION}_reformatted.py
 
 diff -u --color=auto test/${PYTHON_VERSION}_expected.py test/${PYTHON_VERSION}_reformatted.py

From 25313258095118a889c9dcd95fe2c0c4e4e6d23a Mon Sep 17 00:00:00 2001
From: Buck Evan <buck.2019@gmail.com>
Date: Tue, 10 May 2022 19:30:30 +0000
Subject: [PATCH 3/3] set PUDB_TTY during test, to aid debugging

maybe you don't want this, but it's nice for me and won't harm anything
---
 test.sh | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/test.sh b/test.sh
index 30091d8..982cffe 100755
--- a/test.sh
+++ b/test.sh
@@ -13,6 +13,12 @@ err_report() {
 
 trap 'err_report' ERR
 
+if tty --quiet; then
+  # enable debugging with [PuDB](https://youtu.be/bJYkCWPs_UU)
+  export PUDB_TTY
+  PUDB_TTY="$(tty)"
+fi
+
 PYTHON_VERSION2="$(python3 -c 'if True:
     import sys
     major, minor = sys.version_info[:2]
@@ -27,7 +33,7 @@ fi
 
 cat "test/${PYTHON_VERSION}_unformatted.py" | python3 cblack.py -q - > test/${PYTHON_VERSION}_reformatted.py
 
-diff -u --color=auto test/${PYTHON_VERSION}_expected.py test/${PYTHON_VERSION}_reformatted.py
+diff -u --color=always test/${PYTHON_VERSION}_expected.py test/${PYTHON_VERSION}_reformatted.py
 
 echo "Test ${PYTHON_VERSION} Succeeded!"
 exit 0