File pr_200.patch of Package python-asciimatics

From 44bb07b4c2f582b486c060b5bb4c6fad05198827 Mon Sep 17 00:00:00 2001
From: Peter Brittain <peter.brittain.os@gmail.com>
Date: Mon, 28 Jan 2019 09:50:50 +0000
Subject: [PATCH] Skip tests that require a TTY when none is available - for
 #199

---
 tests/test_effects.py   |  2 ++
 tests/test_renderers.py | 12 ++++++++++--
 tests/test_screen.py    |  2 ++
 3 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/tests/test_effects.py b/tests/test_effects.py
index bc5e37b..ce9ca3c 100644
--- a/tests/test_effects.py
+++ b/tests/test_effects.py
@@ -45,6 +45,8 @@ def test_text_effects(self):
         # This typically means we're running inside a non-standard termina;.
         # For example, thi happens when embedded in PyCharm.
         if sys.platform != "win32":
+            if not sys.stdout.isatty():
+                self.skipTest("Not a valid TTY")
             curses.initscr()
             if curses.tigetstr("ri") is None:
                 self.skipTest("No valid terminal definition")
diff --git a/tests/test_renderers.py b/tests/test_renderers.py
index 9af6adf..97568f0 100644
--- a/tests/test_renderers.py
+++ b/tests/test_renderers.py
@@ -185,6 +185,8 @@ def test_colour_image_file(self):
         # This typically means we're running inside a non-standard terminal.
         # For example, this happens when embedded in PyCharm.
         if sys.platform != "win32":
+            if not sys.stdout.isatty():
+                self.skipTest("Not a valid TTY")
             curses.initscr()
             if curses.tigetstr("ri") is None:
                 self.skipTest("No valid terminal definition")
@@ -254,6 +256,8 @@ def test_uni_image_files(self):
         # This typically means we're running inside a non-standard terminal.
         # For example, this happens when embedded in PyCharm.
         if sys.platform != "win32":
+            if not sys.stdout.isatty():
+                self.skipTest("Not a valid TTY")
             curses.initscr()
             if curses.tigetstr("ri") is None:
                 self.skipTest("No valid terminal definition")
@@ -298,8 +302,12 @@ def test_rainbow(self):
         # Skip for non-Windows if the terminal definition is incomplete.
         # This typically means we're running inside a non-standard terminal.
         # For example, this happens when embedded in PyCharm.
-        if sys.platform != "win32" and curses.tigetstr("ri") is None:
-            self.skipTest("No valid terminal definition")
+        if sys.platform != "win32":
+            if not sys.stdout.isatty():
+                self.skipTest("Not a valid TTY")
+            curses.initscr()
+            if curses.tigetstr("ri") is None:
+                self.skipTest("No valid terminal definition")
 
         def internal_checks(screen):
             # Create a base renderer
diff --git a/tests/test_screen.py b/tests/test_screen.py
index c30fe79..d669102 100644
--- a/tests/test_screen.py
+++ b/tests/test_screen.py
@@ -46,6 +46,8 @@ def setUp(self):
         # This typically means we're running inside a non-standard terminal.
         # For example, this happens when embedded in PyCharm.
         if sys.platform != "win32":
+            if not sys.stdout.isatty():
+                self.skipTest("Not a valid TTY")
             curses.initscr()
             if curses.tigetstr("ri") is None:
                 self.skipTest("No valid terminal definition")