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From: Richard Hansen <rhansen@bbn.com>
To: git@vger.kernel.org
Cc: rhansen@bbn.com
Subject: [PATCH v2 04/11] t9903: run pc mode tests again with PS1 expansion disabled
Date: Wed,  4 Jun 2014 17:01:20 -0400	[thread overview]
Message-ID: <1401915687-8602-5-git-send-email-rhansen@bbn.com> (raw)
In-Reply-To: <1401915687-8602-1-git-send-email-rhansen@bbn.com>

Bash has a shell option that makes it possible to disable parameter
expansion in PS1.  Test __git_ps1's ability to detect and react to
disabled PS1 expansion by running the "pc mode" tests twice:  once
with PS1 parameter expansion enabled and once with it disabled.

Signed-off-by: Richard Hansen <rhansen@bbn.com>
---
 t/lib-bash.sh          |  3 ++
 t/t9903-bash-prompt.sh | 96 ++++++++++++++++++++++++++++++++++++++------------
 2 files changed, 76 insertions(+), 23 deletions(-)

diff --git a/t/lib-bash.sh b/t/lib-bash.sh
index 2be955f..37a48fd 100644
--- a/t/lib-bash.sh
+++ b/t/lib-bash.sh
@@ -14,4 +14,7 @@ else
 	exit 0
 fi
 
+ps1_expansion_enable () { shopt -s promptvars; }
+ps1_expansion_disable () { shopt -u promptvars; }
+
 . ./test-lib.sh
diff --git a/t/t9903-bash-prompt.sh b/t/t9903-bash-prompt.sh
index d29dd2b..eb5a167 100755
--- a/t/t9903-bash-prompt.sh
+++ b/t/t9903-bash-prompt.sh
@@ -451,57 +451,97 @@ test_expect_success 'prompt - format string starting with dash' '
 	test_cmp expected "$actual"
 '
 
-run_pcmode_tests () {
-	test_expect_success 'prompt - pc mode' '
-		printf "BEFORE: (\${__git_ps1_branch_name}):AFTER\\nmaster" >expected &&
+pcmode_expected () {
+	case $ps1expansion in
+	on) printf "$1" '${__git_ps1_branch_name}' "$2";;
+	off) printf "$1" "$2" "";;
+	esac >expected
+}
+
+pcmode_actual () {
+	case $ps1expansion in
+	on) printf %s\\n%s "$PS1" "${__git_ps1_branch_name}";;
+	off) printf %s\\n "$PS1";;
+	esac >"$actual"
+}
+
+set_ps1expansion () {
+	case $ps1expansion in
+	on) ps1_expansion_enable;;
+	off) ps1_expansion_disable;;
+	*) error "invalid argument to _run_pcmode_tests: $ps1expansion";;
+	esac
+}
+
+_run_pcmode_tests () {
+	ps1expansion=$1; shift
+
+	# Test whether the shell supports enabling/disabling PS1
+	# expansion by running set_ps1expansion.  If not, quietly skip
+	# this set of tests.
+	#
+	# Even though set_ps1expansion is run here, it must also be
+	# run inside each individual test case because the state of
+	# the shell might be reset in some fashion before executing
+	# the test code.  (Notably, Zsh shell emulation causes the
+	# PROMPT_SUBST option to be reset each time a test is run.)
+	set_ps1expansion || return 0
+
+	test_expect_success "prompt - pc mode (PS1 expansion $ps1expansion)" '
+		set_ps1expansion &&
+		pcmode_expected "BEFORE: (%s):AFTER\\n%s" master &&
 		printf "" >expected_output &&
 		(
 			__git_ps1 "BEFORE:" ":AFTER" >"$actual" &&
 			test_cmp expected_output "$actual" &&
-			printf "%s\\n%s" "$PS1" "${__git_ps1_branch_name}" >"$actual"
+			pcmode_actual
 		) &&
 		test_cmp expected "$actual"
 	'
 
-	pfx="prompt - bash color pc mode"
+	pfx="prompt - bash color pc mode (PS1 expansion $ps1expansion)"
 
 	test_expect_success "$pfx - branch name" '
-		printf "BEFORE: (${c_green}\${__git_ps1_branch_name}${c_clear}):AFTER\\nmaster" >expected &&
+		set_ps1expansion &&
+		pcmode_expected "BEFORE: (${c_green}%s${c_clear}):AFTER\\n%s" master &&
 		(
 			GIT_PS1_SHOWCOLORHINTS=y &&
 			__git_ps1 "BEFORE:" ":AFTER" >"$actual"
-			printf "%s\\n%s" "$PS1" "${__git_ps1_branch_name}" >"$actual"
+			pcmode_actual
 		) &&
 		test_cmp expected "$actual"
 	'
 
 	test_expect_success "$pfx - detached head" '
-		printf "BEFORE: (${c_red}\${__git_ps1_branch_name}${c_clear}):AFTER\\n(%s...)" $(git log -1 --format="%h" b1^) >expected &&
+		set_ps1expansion &&
+		pcmode_expected "BEFORE: (${c_red}%s${c_clear}):AFTER\\n%s" "($(git log -1 --format="%h" b1^)...)" &&
 		git checkout b1^ &&
 		test_when_finished "git checkout master" &&
 		(
 			GIT_PS1_SHOWCOLORHINTS=y &&
 			__git_ps1 "BEFORE:" ":AFTER" &&
-			printf "%s\\n%s" "$PS1" "${__git_ps1_branch_name}" >"$actual"
+			pcmode_actual
 		) &&
 		test_cmp expected "$actual"
 	'
 
 	test_expect_success "$pfx - dirty status indicator - dirty worktree" '
-		printf "BEFORE: (${c_green}\${__git_ps1_branch_name}${c_clear} ${c_red}*${c_clear}):AFTER\\nmaster" >expected &&
+		set_ps1expansion &&
+		pcmode_expected "BEFORE: (${c_green}%s${c_clear} ${c_red}*${c_clear}):AFTER\\n%s" master &&
 		echo "dirty" >file &&
 		test_when_finished "git reset --hard" &&
 		(
 			GIT_PS1_SHOWDIRTYSTATE=y &&
 			GIT_PS1_SHOWCOLORHINTS=y &&
 			__git_ps1 "BEFORE:" ":AFTER" &&
-			printf "%s\\n%s" "$PS1" "${__git_ps1_branch_name}" >"$actual"
+			pcmode_actual
 		) &&
 		test_cmp expected "$actual"
 	'
 
 	test_expect_success "$pfx - dirty status indicator - dirty index" '
-		printf "BEFORE: (${c_green}\${__git_ps1_branch_name}${c_clear} ${c_green}+${c_clear}):AFTER\\nmaster" >expected &&
+		set_ps1expansion &&
+		pcmode_expected "BEFORE: (${c_green}%s${c_clear} ${c_green}+${c_clear}):AFTER\\n%s" master &&
 		echo "dirty" >file &&
 		test_when_finished "git reset --hard" &&
 		git add -u &&
@@ -509,13 +549,14 @@ run_pcmode_tests () {
 			GIT_PS1_SHOWDIRTYSTATE=y &&
 			GIT_PS1_SHOWCOLORHINTS=y &&
 			__git_ps1 "BEFORE:" ":AFTER" &&
-			printf "%s\\n%s" "$PS1" "${__git_ps1_branch_name}" >"$actual"
+			pcmode_actual
 		) &&
 		test_cmp expected "$actual"
 	'
 
 	test_expect_success "$pfx - dirty status indicator - dirty index and worktree" '
-		printf "BEFORE: (${c_green}\${__git_ps1_branch_name}${c_clear} ${c_red}*${c_green}+${c_clear}):AFTER\\nmaster" >expected &&
+		set_ps1expansion &&
+		pcmode_expected "BEFORE: (${c_green}%s${c_clear} ${c_red}*${c_green}+${c_clear}):AFTER\\n%s" master &&
 		echo "dirty index" >file &&
 		test_when_finished "git reset --hard" &&
 		git add -u &&
@@ -524,25 +565,27 @@ run_pcmode_tests () {
 			GIT_PS1_SHOWCOLORHINTS=y &&
 			GIT_PS1_SHOWDIRTYSTATE=y &&
 			__git_ps1 "BEFORE:" ":AFTER" &&
-			printf "%s\\n%s" "$PS1" "${__git_ps1_branch_name}" >"$actual"
+			pcmode_actual
 		) &&
 		test_cmp expected "$actual"
 	'
 
 	test_expect_success "$pfx - dirty status indicator - before root commit" '
-		printf "BEFORE: (${c_green}\${__git_ps1_branch_name}${c_clear} ${c_green}#${c_clear}):AFTER\\nmaster" >expected &&
+		set_ps1expansion &&
+		pcmode_expected "BEFORE: (${c_green}%s${c_clear} ${c_green}#${c_clear}):AFTER\\n%s" master &&
 		(
 			GIT_PS1_SHOWDIRTYSTATE=y &&
 			GIT_PS1_SHOWCOLORHINTS=y &&
 			cd otherrepo &&
 			__git_ps1 "BEFORE:" ":AFTER" &&
-			printf "%s\\n%s" "$PS1" "${__git_ps1_branch_name}" >"$actual"
+			pcmode_actual
 		) &&
 		test_cmp expected "$actual"
 	'
 
 	test_expect_success "$pfx - inside .git directory" '
-		printf "BEFORE: (${c_green}\${__git_ps1_branch_name}${c_clear}):AFTER\\nGIT_DIR!" >expected &&
+		set_ps1expansion &&
+		pcmode_expected "BEFORE: (${c_green}%s${c_clear}):AFTER\\n%s" "GIT_DIR!" &&
 		echo "dirty" >file &&
 		test_when_finished "git reset --hard" &&
 		(
@@ -550,13 +593,14 @@ run_pcmode_tests () {
 			GIT_PS1_SHOWCOLORHINTS=y &&
 			cd .git &&
 			__git_ps1 "BEFORE:" ":AFTER" &&
-			printf "%s\\n%s" "$PS1" "${__git_ps1_branch_name}" >"$actual"
+			pcmode_actual
 		) &&
 		test_cmp expected "$actual"
 	'
 
 	test_expect_success "$pfx - stash status indicator" '
-		printf "BEFORE: (${c_green}\${__git_ps1_branch_name}${c_clear} ${c_lblue}\$${c_clear}):AFTER\\nmaster" >expected &&
+		set_ps1expansion &&
+		pcmode_expected "BEFORE: (${c_green}%s${c_clear} ${c_lblue}\$${c_clear}):AFTER\\n%s" master &&
 		echo 2 >file &&
 		git stash &&
 		test_when_finished "git stash drop" &&
@@ -564,23 +608,29 @@ run_pcmode_tests () {
 			GIT_PS1_SHOWSTASHSTATE=y &&
 			GIT_PS1_SHOWCOLORHINTS=y &&
 			__git_ps1 "BEFORE:" ":AFTER" &&
-			printf "%s\\n%s" "$PS1" "${__git_ps1_branch_name}" >"$actual"
+			pcmode_actual
 		) &&
 		test_cmp expected "$actual"
 	'
 
 	test_expect_success "$pfx - untracked files status indicator" '
-		printf "BEFORE: (${c_green}\${__git_ps1_branch_name}${c_clear} ${c_red}%%${c_clear}):AFTER\\nmaster" >expected &&
+		set_ps1expansion &&
+		pcmode_expected "BEFORE: (${c_green}%s${c_clear} ${c_red}%%${c_clear}):AFTER\\n%s" master &&
 		(
 			GIT_PS1_SHOWUNTRACKEDFILES=y &&
 			GIT_PS1_SHOWCOLORHINTS=y &&
 			__git_ps1 "BEFORE:" ":AFTER" &&
-			printf "%s\\n%s" "$PS1" "${__git_ps1_branch_name}" >"$actual"
+			pcmode_actual
 		) &&
 		test_cmp expected "$actual"
 	'
 }
 
+run_pcmode_tests () {
+	_run_pcmode_tests on
+	_run_pcmode_tests off
+}
+
 run_pcmode_tests
 
 test_done
-- 
2.0.0

  parent reply	other threads:[~2014-06-04 21:01 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-19 22:55 [PATCH] git-prompt.sh: don't assume the shell expands the value of PS1 Richard Hansen
2014-05-20 18:38 ` Junio C Hamano
2014-05-27  7:40   ` [PATCH 00/10] Zsh prompt tests Richard Hansen
2014-05-27  7:40     ` [PATCH 01/10] t9903: remove Zsh test from the suite of Bash " Richard Hansen
2014-05-27  7:40     ` [PATCH 02/10] t9903: put the Bash pc mode prompt test cases in a function Richard Hansen
2014-05-27  7:40     ` [PATCH 03/10] t9903: move test name prefix to a separate variable Richard Hansen
2014-05-27  7:40     ` [PATCH 04/10] t9903: run pc mode tests again with PS1 expansion disabled Richard Hansen
2014-05-27  7:40     ` [PATCH 05/10] t9903: include "Bash" in test names via new $shellname var Richard Hansen
2014-05-27  7:40     ` [PATCH 06/10] t9903: move PS1 color code variable definitions to lib-bash.sh Richard Hansen
2014-05-27  7:40     ` [PATCH 07/10] t9903: move prompt tests to a new lib-prompt-tests.sh file Richard Hansen
2014-05-27  7:40     ` [PATCH 08/10] lib-prompt-tests.sh: put all tests inside a function Richard Hansen
2014-05-27  7:40     ` [PATCH 09/10] lib-prompt-tests.sh: add variable for string that encodes percent in PS1 Richard Hansen
2014-05-27  7:41     ` [PATCH 10/10] t9904: new __git_ps1 tests for Zsh Richard Hansen
2014-05-29 19:02       ` Thomas Rast
2014-05-29 22:30         ` [PATCH 11/10] fixup! " Richard Hansen
2014-06-04 21:01     ` [PATCH v2 00/11] Zsh prompt tests Richard Hansen
2014-06-04 21:01       ` [PATCH v2 01/11] t9903: remove Zsh test from the suite of Bash " Richard Hansen
2014-06-04 21:01       ` [PATCH v2 02/11] t9903: put the Bash pc mode prompt test cases in a function Richard Hansen
2014-06-04 21:01       ` [PATCH v2 03/11] t9903: move test name prefix to a separate variable Richard Hansen
2014-06-04 21:01       ` Richard Hansen [this message]
2014-06-04 21:01       ` [PATCH v2 05/11] t9903: include "Bash" in test names via new $shellname var Richard Hansen
2014-06-04 21:01       ` [PATCH v2 06/11] t9903: move PS1 color code variable definitions to lib-bash.sh Richard Hansen
2014-06-04 21:01       ` [PATCH v2 07/11] t9903: move prompt tests to a new lib-prompt-tests.sh file Richard Hansen
2014-06-04 21:01       ` [PATCH v2 08/11] lib-prompt-tests.sh: put all tests inside a function Richard Hansen
2014-06-04 21:01       ` [PATCH v2 09/11] lib-prompt-tests.sh: add variable for string that encodes percent in PS1 Richard Hansen
2014-06-04 21:01       ` [PATCH v2 10/11] test-lib: make it possible to override how test code is eval'd Richard Hansen
2014-06-05 21:11         ` Junio C Hamano
2014-06-06  1:00           ` Richard Hansen
2014-06-06 16:53             ` Junio C Hamano
2014-06-04 21:01       ` [PATCH v2 11/11] t9904: new __git_ps1 tests for Zsh Richard Hansen
2014-06-10 20:06       ` [PATCH v2 00/11] Zsh prompt tests Torsten Bögershausen
2014-06-10 20:28         ` Richard Hansen
2014-06-11  1:16           ` brian m. carlson
2014-06-11 15:27             ` Richard Hansen
2014-06-11 23:46               ` brian m. carlson

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