Test that VIRTUAL_ENV bin directory makes it into PATH in make target context

Author: lorengordon

tests/make/python_venv_failure.bats

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+#!/usr/bin/env bats
+
+TEST_DIR="$(pwd)/python_venv_failure"
+
+# create an arbitrary executable for the target to find
+function setup() {
+rm -rf "$TEST_DIR"
+mkdir -p "${TEST_DIR}/venv/bin" "${TEST_DIR}/user/.local/bin"
+touch "${TEST_DIR}/venv/bin/test.bat"
+chmod +x "${TEST_DIR}/venv/bin/test.bat"
+}
+
+@test "python/venv: failure" {
+  # If the executable is not found, the target will exit 2
+  run make guard/program/test.bat
+  [ "$status" -eq 2 ]
+  [[ "$output" == *"No rule to make target 'test.bat/install"* ]]
+}
+
+function teardown() {
+  rm -rf "$TEST_DIR"
+}

tests/make/python_venv_success.bats

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+#!/usr/bin/env bats
+
+TEST_DIR="$(pwd)/python_venv_success"
+
+# create an arbitrary executable for the target to find
+function setup() {
+rm -rf "$TEST_DIR"
+mkdir -p "${TEST_DIR}/venv/bin" "${TEST_DIR}/user/.local/bin"
+touch "${TEST_DIR}/venv/bin/test.bat"
+chmod +x "${TEST_DIR}/venv/bin/test.bat"
+export VIRTUAL_ENV="${TEST_DIR}/venv"
+export PYTHONUSERBASE="${TEST_DIR}/user/.local"
+}
+
+@test "python/venv: success" {
+  # If the executable is found, the target will exit 0
+  run make guard/program/test.bat
+  [ "$status" -eq 0 ]
+}
+
+function teardown() {
+  rm -rf "$TEST_DIR"
+}