From 989de484d7338edf951e1cb17bad70eb00add8d8 Mon Sep 17 00:00:00 2001
From: Kenneth Reitz <me@kennethreitz.org>
Date: Tue, 6 Mar 2018 08:50:11 -0500
Subject: [PATCH] better test script

Signed-off-by: Kenneth Reitz <me@kennethreitz.org>
---
 run-tests.sh | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/run-tests.sh b/run-tests.sh
index 511e2252..a0771d1b 100755
--- a/run-tests.sh
+++ b/run-tests.sh
@@ -33,17 +33,32 @@ else
 		diskutil erasevolume HFS+ 'RAMDisk' $(hdiutil attach -nomount ram://8388608)
 	fi
 
-
 	RAM_DISK="/Volumes/RAMDisk"
 	export RAM_DISK
 
-	pipenv install --dev
+	if [[ ! -d "$RAM_DISK/.venv" ]]; then
+		echo "Creating a new venv on RAM Disk…"
+		python3 -m venv "$RAM_DISK/.venv"
+	fi
+
+	echo "Instaling Pipenv…"
+	"$RAM_DISK/.venv/bin/pip" install -e "$(pwd)" --upgrade-strategy=only-if-needed
+
+	# If the lockfile hasn't changed, skip installs.
+	if [[ $(openssl dgst -sha256 Pipfile.lock) != $(cat "$RAM_DISK/.venv/Pipfile.lock.sha256") ]]; then
+		"$RAM_DISK/.venv/bin/pipenv" install --dev
+
+		# Hash the lockfile, to skip intalls next time.
+		openssl dgst -sha256 Pipfile.lock > $RAM_DISK/.venv/Pipfile.lock.sha256"
+	fi
+
+
 fi
 
 if [[ "$TAP_OUTPUT" ]]; then
 	echo "$ pipenv run time pytest -v -n auto tests -m \"$TEST_SUITE\" --tap-stream | tee report.tap"
-	pipenv run time pytest -v -n auto tests -m "$TEST_SUITE"  --tap-stream | tee report.tap
+	"$RAM_DISK/.venv/bin/pipenv" run time pytest -v -n auto tests -m "$TEST_SUITE"  --tap-stream | tee report.tap
 else
 	echo "$ pipenv run time pytest -v -n auto tests -m \"$TEST_SUITE\""
-	pipenv run time pytest -v -n auto tests -m "$TEST_SUITE"
+	"$RAM_DISK/.venv/bin/pipenv" run time pytest -v -n auto tests -m "$TEST_SUITE"
 fi
\ No newline at end of file