From 7d3c966eec9ffcf3aea044fb70a82b8179a44de7 Mon Sep 17 00:00:00 2001
From: Nathaniel Nicandro <nathanielnicandro@gmail.com>
Date: Wed, 18 Sep 2019 23:08:37 -0500
Subject: Add test framework

---
 .travis.yml              | 16 +++++++++++++
 Makefile                 | 16 +++++++++++++
 perspective.el           |  1 +
 test/test-perspective.el | 61 ++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 94 insertions(+)
 create mode 100644 .travis.yml
 create mode 100644 Makefile
 create mode 100644 test/test-perspective.el

diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..de36102
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,16 @@
+sudo: required
+# for evm binaries
+dist: trusty
+env:
+  - EMACS_VERSION=26.2
+  - EMACS_VERSION=26.1
+  - EMACS_VERSION=25.1
+  - EMACS_VERSION=24.3
+script:
+  - cd $TRAVIS_BUILD_DIR
+  - git clone https://github.com/rejeep/evm ${TRAVIS_BUILD_DIR}/.evm
+  - export PATH=${TRAVIS_BUILD_DIR}/.evm/bin:${PATH}
+  - evm config path /tmp
+  - evm install emacs-${EMACS_VERSION}-travis --use --skip
+  - emacs --version
+  - make 
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..9771ba8
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,16 @@
+EMACS ?= emacs
+ELFILES := perspective.el
+ELCFILES = $(ELFILES:.el=.elc)
+
+all: test
+
+.PHONY: test
+test:
+	$(EMACS) -nw -Q -batch -L . -l ert $(addprefix -l ,$(wildcard test/*.el)) \
+		--eval "(ert-run-tests-batch-and-exit)"
+
+.PHONY: compile
+compile: $(ELCFILES)
+
+$(ELCFILES): %.elc: %.el
+	$(EMACS) --batch -Q -L . -f batch-byte-compile $<
diff --git a/perspective.el b/perspective.el
index b6bdc86..97d1a9f 100644
--- a/perspective.el
+++ b/perspective.el
@@ -28,6 +28,7 @@
 ;; available by default.
 
 (require 'cl-lib)
+(require 'subr-x)                       ; hash-table-values
 
 ;; 'cl' is still required because the use of 'lexical-let'.  'lexical-let' has
 ;; been deprecated since emacs 24.1, and it should be replaced with true
diff --git a/test/test-perspective.el b/test/test-perspective.el
new file mode 100644
index 0000000..ee4d824
--- /dev/null
+++ b/test/test-perspective.el
@@ -0,0 +1,61 @@
+;;; test-perspective.el --- Tests for perspective
+
+;; Licensed under the same terms as Emacs and under the MIT license.
+
+;; URL: http://github.com/nex3/perspective-el
+;; Created: 2019-09-18
+;; By: Nathaniel Nicandro <nathanielnicandro@gmail.com>
+
+;;; Commentary:
+
+;;; Code:
+
+(require 'perspective)
+(require 'cl-lib)
+(require 'ert)
+
+(persp-mode 1)
+
+(defmacro persp-test-with-temp-buffers (vars &rest body)
+  "Bind temporary buffers to VARS and evaluate BODY."
+  (declare (indent 1))
+  (let ((binds (cl-loop
+                for var in vars
+                collect `(,var (generate-new-buffer "persp-test"))))
+        (cleanup (cl-loop
+                  for var in vars
+                  collect `(when (buffer-live-p ,var)
+                             (kill-buffer ,var)))))
+    `(let (,@binds)
+       (unwind-protect
+           (progn ,@body)
+         ,@cleanup))))
+
+(ert-deftest issue-85 ()
+  (persp-test-with-temp-buffers (b1 b2 b3 b4)
+    (persp-switch "A")
+    ;; Show b1 and b2 in two windows of A
+    (switch-to-buffer b1)
+    (select-window (split-window))
+    (switch-to-buffer b2)
+    (should (eq (window-buffer (previous-window)) b1))
+    (should (eq (window-buffer (selected-window)) b2))
+    (persp-switch "B")
+    ;; Show b3 and b4 in two windows of B
+    (switch-to-buffer b3)
+    (select-window (split-window))
+    (switch-to-buffer b4)
+    (should (eq (window-buffer (previous-window)) b3))
+    (should (eq (window-buffer (selected-window)) b4))
+    ;; Switch back to A and do the main test
+    (persp-switch "A")
+    (should (eq (window-buffer (previous-window)) b1))
+    (should (eq (window-buffer (selected-window)) b2))
+    (kill-buffer)
+    (should (= (count-windows) 2))
+    (should (eq (window-buffer (previous-window)) b1))
+    (should (eq (window-buffer (selected-window)) b1))))
+
+
+
+;;; test-perspective.el ends here
-- 
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