From 3e766176502970bae3335e224a7330ebcdca2ec7 Mon Sep 17 00:00:00 2001
From: The MMGen Project <mmgen@tuta.io>
Date: Thu, 8 Dec 2022 15:14:00 +0000
Subject: [PATCH] tw.view: create fake versions of CUR_* vars in overlay

---
 mmgen/tw/view.py                       | 8 ++------
 test/overlay/fakemods/mmgen/tw/view.py | 7 +++++++
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/mmgen/tw/view.py b/mmgen/tw/view.py
index 97688336..82816eeb 100755
--- a/mmgen/tw/view.py
+++ b/mmgen/tw/view.py
@@ -32,6 +32,7 @@ from ..util import msg,msg_r,fmt,die,capfirst,make_timestr
 from ..rpc import rpc_init
 from ..base_obj import AsyncInit
 
+# these are replaced by fake versions in overlay:
 CUR_HOME  = '\033[H'
 CUR_UP    = lambda n: f'\033[{n}A'
 CUR_DOWN  = lambda n: f'\033[{n}B'
@@ -513,9 +514,7 @@ class TwView(MMGenObject,metaclass=AsyncInit):
 		prompt += '\b'
 
 		self.cursor_to_end_of_prompt = CUR_RIGHT( len(prompt.split('\n')[-1]) - 2 )
-		clear_screen = (
-			'\n\n' if (opt.no_blank or g.test_suite) else
-			CUR_HOME + ('' if scroll else ERASE_ALL) )
+		clear_screen = '\n\n' if opt.no_blank else CUR_HOME + ('' if scroll else ERASE_ALL)
 
 		if scroll:
 			term = get_term()
@@ -523,9 +522,6 @@ class TwView(MMGenObject,metaclass=AsyncInit):
 			term.set('noecho')
 			get_char = get_char_raw
 
-		if not (opt.no_blank or g.test_suite):
-			msg_r(CUR_HOME + ERASE_ALL)
-
 		while True:
 
 			if self.oneshot_msg and scroll:
diff --git a/test/overlay/fakemods/mmgen/tw/view.py b/test/overlay/fakemods/mmgen/tw/view.py
index 343bc6dc..f4ee7d26 100644
--- a/test/overlay/fakemods/mmgen/tw/view.py
+++ b/test/overlay/fakemods/mmgen/tw/view.py
@@ -1,5 +1,12 @@
 import os as overlay_fake_os
 from .view_orig import *
+import mmgen.tw.view_orig as overlay_fake_orig_mod
+
+overlay_fake_orig_mod.CUR_HOME  = '\n[CUR_HOME]\n'
+overlay_fake_orig_mod.CUR_UP    = lambda n: f'\n[CUR_UP({n})]\n'
+overlay_fake_orig_mod.CUR_DOWN  = lambda n: f'\n[CUR_DOWN({n})]\n'
+overlay_fake_orig_mod.CUR_RIGHT = lambda n: f'\n[CUR_RIGHT({n})]\n'
+overlay_fake_orig_mod.ERASE_ALL = '\n[ERASE_ALL]\n'
 
 if overlay_fake_os.getenv('MMGEN_TEST_SUITE_DETERMINISTIC'):