Merge branch 'da/difftool-fixes'

Minor maintenance updates to difftool, and updates to its tests.

* da/difftool-fixes:
  t7800: "defaults" is no longer a builtin tool name
  t7800: modernize tests
  t7800: update copyright notice
  difftool: silence uninitialized variable warning
This commit is contained in:
Junio C Hamano 2013-03-21 14:02:43 -07:00
commit 98ed062a92
2 changed files with 170 additions and 200 deletions

View File

@ -336,7 +336,7 @@ sub main
}
if ($opts{gui}) {
my $guitool = Git::config('diff.guitool');
if (length($guitool) > 0) {
if (defined($guitool) && length($guitool) > 0) {
$ENV{GIT_DIFF_TOOL} = $guitool;
}
}

View File

@ -1,6 +1,6 @@
#!/bin/sh
#
# Copyright (c) 2009, 2010 David Aguilar
# Copyright (c) 2009, 2010, 2012, 2013 David Aguilar
#
test_description='git-difftool
@ -10,29 +10,11 @@ Testing basic diff tool invocation
. ./test-lib.sh
remove_config_vars()
difftool_test_setup ()
{
# Unset all config variables used by git-difftool
git config --unset diff.tool
git config --unset diff.guitool
git config --unset difftool.test-tool.cmd
git config --unset difftool.prompt
git config --unset merge.tool
git config --unset mergetool.test-tool.cmd
git config --unset mergetool.prompt
return 0
}
restore_test_defaults()
{
# Restores the test defaults used by several tests
remove_config_vars
unset GIT_DIFF_TOOL
unset GIT_DIFFTOOL_PROMPT
unset GIT_DIFFTOOL_NO_PROMPT
git config diff.tool test-tool &&
git config difftool.test-tool.cmd 'cat $LOCAL'
git config difftool.bogus-tool.cmd false
test_config diff.tool test-tool &&
test_config difftool.test-tool.cmd 'cat "$LOCAL"' &&
test_config difftool.bogus-tool.cmd false
}
prompt_given ()
@ -65,249 +47,237 @@ test_expect_success PERL 'setup' '
# Configure a custom difftool.<tool>.cmd and use it
test_expect_success PERL 'custom commands' '
restore_test_defaults &&
git config difftool.test-tool.cmd "cat \$REMOTE" &&
difftool_test_setup &&
test_config difftool.test-tool.cmd "cat \"\$REMOTE\"" &&
echo master >expect &&
git difftool --no-prompt branch >actual &&
test_cmp expect actual &&
diff=$(git difftool --no-prompt branch) &&
test "$diff" = "master" &&
restore_test_defaults &&
diff=$(git difftool --no-prompt branch) &&
test "$diff" = "branch"
test_config difftool.test-tool.cmd "cat \"\$LOCAL\"" &&
echo branch >expect &&
git difftool --no-prompt branch >actual &&
test_cmp expect actual
'
# Ensures that a custom difftool.<tool>.cmd overrides built-ins
test_expect_success PERL 'custom commands override built-ins' '
restore_test_defaults &&
git config difftool.defaults.cmd "cat \$REMOTE" &&
diff=$(git difftool --tool defaults --no-prompt branch) &&
test "$diff" = "master" &&
git config --unset difftool.defaults.cmd
test_expect_success PERL 'custom tool commands override built-ins' '
test_config difftool.vimdiff.cmd "cat \"\$REMOTE\"" &&
echo master >expect &&
git difftool --tool vimdiff --no-prompt branch >actual &&
test_cmp expect actual
'
# Ensures that git-difftool ignores bogus --tool values
test_expect_success PERL 'difftool ignores bad --tool values' '
diff=$(git difftool --no-prompt --tool=bad-tool branch)
test "$?" = 1 &&
test "$diff" = ""
: >expect &&
test_expect_code 1 \
git difftool --no-prompt --tool=bad-tool branch >actual &&
test_cmp expect actual
'
test_expect_success PERL 'difftool forwards arguments to diff' '
difftool_test_setup &&
>for-diff &&
git add for-diff &&
echo changes>for-diff &&
git add for-diff &&
diff=$(git difftool --cached --no-prompt -- for-diff) &&
test "$diff" = "" &&
: >expect &&
git difftool --cached --no-prompt -- for-diff >actual &&
test_cmp expect actual &&
git reset -- for-diff &&
rm for-diff
'
test_expect_success PERL 'difftool honors --gui' '
git config merge.tool bogus-tool &&
git config diff.tool bogus-tool &&
git config diff.guitool test-tool &&
difftool_test_setup &&
test_config merge.tool bogus-tool &&
test_config diff.tool bogus-tool &&
test_config diff.guitool test-tool &&
diff=$(git difftool --no-prompt --gui branch) &&
test "$diff" = "branch" &&
restore_test_defaults
echo branch >expect &&
git difftool --no-prompt --gui branch >actual &&
test_cmp expect actual
'
test_expect_success PERL 'difftool --gui last setting wins' '
git config diff.guitool bogus-tool &&
git difftool --no-prompt --gui --no-gui &&
difftool_test_setup &&
: >expect &&
git difftool --no-prompt --gui --no-gui >actual &&
test_cmp expect actual &&
git config merge.tool bogus-tool &&
git config diff.tool bogus-tool &&
git config diff.guitool test-tool &&
diff=$(git difftool --no-prompt --no-gui --gui branch) &&
test "$diff" = "branch" &&
restore_test_defaults
test_config merge.tool bogus-tool &&
test_config diff.tool bogus-tool &&
test_config diff.guitool test-tool &&
echo branch >expect &&
git difftool --no-prompt --no-gui --gui branch >actual &&
test_cmp expect actual
'
test_expect_success PERL 'difftool --gui works without configured diff.guitool' '
git config diff.tool test-tool &&
diff=$(git difftool --no-prompt --gui branch) &&
test "$diff" = "branch" &&
restore_test_defaults
difftool_test_setup &&
echo branch >expect &&
git difftool --no-prompt --gui branch >actual &&
test_cmp expect actual
'
# Specify the diff tool using $GIT_DIFF_TOOL
test_expect_success PERL 'GIT_DIFF_TOOL variable' '
test_might_fail git config --unset diff.tool &&
GIT_DIFF_TOOL=test-tool &&
export GIT_DIFF_TOOL &&
diff=$(git difftool --no-prompt branch) &&
test "$diff" = "branch" &&
restore_test_defaults
difftool_test_setup &&
git config --unset diff.tool &&
echo branch >expect &&
GIT_DIFF_TOOL=test-tool git difftool --no-prompt branch >actual &&
test_cmp expect actual
'
# Test the $GIT_*_TOOL variables and ensure
# that $GIT_DIFF_TOOL always wins unless --tool is specified
test_expect_success PERL 'GIT_DIFF_TOOL overrides' '
git config diff.tool bogus-tool &&
git config merge.tool bogus-tool &&
difftool_test_setup &&
test_config diff.tool bogus-tool &&
test_config merge.tool bogus-tool &&
GIT_DIFF_TOOL=test-tool &&
export GIT_DIFF_TOOL &&
echo branch >expect &&
GIT_DIFF_TOOL=test-tool git difftool --no-prompt branch >actual &&
test_cmp expect actual &&
diff=$(git difftool --no-prompt branch) &&
test "$diff" = "branch" &&
GIT_DIFF_TOOL=bogus-tool &&
export GIT_DIFF_TOOL &&
diff=$(git difftool --no-prompt --tool=test-tool branch) &&
test "$diff" = "branch" &&
restore_test_defaults
test_config diff.tool bogus-tool &&
test_config merge.tool bogus-tool &&
GIT_DIFF_TOOL=bogus-tool \
git difftool --no-prompt --tool=test-tool branch >actual &&
test_cmp expect actual
'
# Test that we don't have to pass --no-prompt to difftool
# when $GIT_DIFFTOOL_NO_PROMPT is true
test_expect_success PERL 'GIT_DIFFTOOL_NO_PROMPT variable' '
GIT_DIFFTOOL_NO_PROMPT=true &&
export GIT_DIFFTOOL_NO_PROMPT &&
diff=$(git difftool branch) &&
test "$diff" = "branch" &&
restore_test_defaults
difftool_test_setup &&
echo branch >expect &&
GIT_DIFFTOOL_NO_PROMPT=true git difftool branch >actual &&
test_cmp expect actual
'
# git-difftool supports the difftool.prompt variable.
# Test that GIT_DIFFTOOL_PROMPT can override difftool.prompt = false
test_expect_success PERL 'GIT_DIFFTOOL_PROMPT variable' '
git config difftool.prompt false &&
GIT_DIFFTOOL_PROMPT=true &&
export GIT_DIFFTOOL_PROMPT &&
prompt=$(echo | git difftool branch | tail -1) &&
prompt_given "$prompt" &&
restore_test_defaults
difftool_test_setup &&
test_config difftool.prompt false &&
echo >input &&
GIT_DIFFTOOL_PROMPT=true git difftool branch <input >output &&
prompt=$(tail -1 <output) &&
prompt_given "$prompt"
'
# Test that we don't have to pass --no-prompt when difftool.prompt is false
test_expect_success PERL 'difftool.prompt config variable is false' '
git config difftool.prompt false &&
diff=$(git difftool branch) &&
test "$diff" = "branch" &&
restore_test_defaults
difftool_test_setup &&
test_config difftool.prompt false &&
echo branch >expect &&
git difftool branch >actual &&
test_cmp expect actual
'
# Test that we don't have to pass --no-prompt when mergetool.prompt is false
test_expect_success PERL 'difftool merge.prompt = false' '
difftool_test_setup &&
test_might_fail git config --unset difftool.prompt &&
git config mergetool.prompt false &&
diff=$(git difftool branch) &&
test "$diff" = "branch" &&
restore_test_defaults
test_config mergetool.prompt false &&
echo branch >expect &&
git difftool branch >actual &&
test_cmp expect actual
'
# Test that the -y flag can override difftool.prompt = true
test_expect_success PERL 'difftool.prompt can overridden with -y' '
git config difftool.prompt true &&
diff=$(git difftool -y branch) &&
test "$diff" = "branch" &&
restore_test_defaults
difftool_test_setup &&
test_config difftool.prompt true &&
echo branch >expect &&
git difftool -y branch >actual &&
test_cmp expect actual
'
# Test that the --prompt flag can override difftool.prompt = false
test_expect_success PERL 'difftool.prompt can overridden with --prompt' '
git config difftool.prompt false &&
prompt=$(echo | git difftool --prompt branch | tail -1) &&
prompt_given "$prompt" &&
restore_test_defaults
difftool_test_setup &&
test_config difftool.prompt false &&
echo >input &&
git difftool --prompt branch <input >output &&
prompt=$(tail -1 <output) &&
prompt_given "$prompt"
'
# Test that the last flag passed on the command-line wins
test_expect_success PERL 'difftool last flag wins' '
diff=$(git difftool --prompt --no-prompt branch) &&
test "$diff" = "branch" &&
restore_test_defaults &&
prompt=$(echo | git difftool --no-prompt --prompt branch | tail -1) &&
prompt_given "$prompt" &&
restore_test_defaults
difftool_test_setup &&
echo branch >expect &&
git difftool --prompt --no-prompt branch >actual &&
test_cmp expect actual &&
echo >input &&
git difftool --no-prompt --prompt branch <input >output &&
prompt=$(tail -1 <output) &&
prompt_given "$prompt"
'
# git-difftool falls back to git-mergetool config variables
# so test that behavior here
test_expect_success PERL 'difftool + mergetool config variables' '
remove_config_vars &&
git config merge.tool test-tool &&
git config mergetool.test-tool.cmd "cat \$LOCAL" &&
diff=$(git difftool --no-prompt branch) &&
test "$diff" = "branch" &&
test_config merge.tool test-tool &&
test_config mergetool.test-tool.cmd "cat \$LOCAL" &&
echo branch >expect &&
git difftool --no-prompt branch >actual &&
test_cmp expect actual &&
# set merge.tool to something bogus, diff.tool to test-tool
git config merge.tool bogus-tool &&
git config diff.tool test-tool &&
diff=$(git difftool --no-prompt branch) &&
test "$diff" = "branch" &&
restore_test_defaults
test_config merge.tool bogus-tool &&
test_config diff.tool test-tool &&
git difftool --no-prompt branch >actual &&
test_cmp expect actual
'
test_expect_success PERL 'difftool.<tool>.path' '
git config difftool.tkdiff.path echo &&
diff=$(git difftool --tool=tkdiff --no-prompt branch) &&
git config --unset difftool.tkdiff.path &&
lines=$(echo "$diff" | grep file | wc -l) &&
test "$lines" -eq 1 &&
restore_test_defaults
test_config difftool.tkdiff.path echo &&
git difftool --tool=tkdiff --no-prompt branch >output &&
lines=$(grep file output | wc -l) &&
test "$lines" -eq 1
'
test_expect_success PERL 'difftool --extcmd=cat' '
diff=$(git difftool --no-prompt --extcmd=cat branch) &&
test "$diff" = branch"$LF"master
echo branch >expect &&
echo master >>expect &&
git difftool --no-prompt --extcmd=cat branch >actual &&
test_cmp expect actual
'
test_expect_success PERL 'difftool --extcmd cat' '
diff=$(git difftool --no-prompt --extcmd cat branch) &&
test "$diff" = branch"$LF"master
echo branch >expect &&
echo master >>expect &&
git difftool --no-prompt --extcmd=cat branch >actual &&
test_cmp expect actual
'
test_expect_success PERL 'difftool -x cat' '
diff=$(git difftool --no-prompt -x cat branch) &&
test "$diff" = branch"$LF"master
echo branch >expect &&
echo master >>expect &&
git difftool --no-prompt -x cat branch >actual &&
test_cmp expect actual
'
test_expect_success PERL 'difftool --extcmd echo arg1' '
diff=$(git difftool --no-prompt --extcmd sh\ -c\ \"echo\ \$1\" branch) &&
test "$diff" = file
echo file >expect &&
git difftool --no-prompt \
--extcmd sh\ -c\ \"echo\ \$1\" branch >actual &&
test_cmp expect actual
'
test_expect_success PERL 'difftool --extcmd cat arg1' '
diff=$(git difftool --no-prompt --extcmd sh\ -c\ \"cat\ \$1\" branch) &&
test "$diff" = master
echo master >expect &&
git difftool --no-prompt \
--extcmd sh\ -c\ \"cat\ \$1\" branch >actual &&
test_cmp expect actual
'
test_expect_success PERL 'difftool --extcmd cat arg2' '
diff=$(git difftool --no-prompt --extcmd sh\ -c\ \"cat\ \$2\" branch) &&
test "$diff" = branch
echo branch >expect &&
git difftool --no-prompt \
--extcmd sh\ -c\ \"cat\ \$2\" branch >actual &&
test_cmp expect actual
'
# Create a second file on master and a different version on branch
@ -324,26 +294,26 @@ test_expect_success PERL 'setup with 2 files different' '
'
test_expect_success PERL 'say no to the first file' '
diff=$( (echo n; echo) | git difftool -x cat branch ) &&
echo "$diff" | stdin_contains m2 &&
echo "$diff" | stdin_contains br2 &&
echo "$diff" | stdin_doesnot_contain master &&
echo "$diff" | stdin_doesnot_contain branch
(echo n && echo) >input &&
git difftool -x cat branch <input >output &&
stdin_contains m2 <output &&
stdin_contains br2 <output &&
stdin_doesnot_contain master <output &&
stdin_doesnot_contain branch <output
'
test_expect_success PERL 'say no to the second file' '
diff=$( (echo; echo n) | git difftool -x cat branch ) &&
echo "$diff" | stdin_contains master &&
echo "$diff" | stdin_contains branch &&
echo "$diff" | stdin_doesnot_contain m2 &&
echo "$diff" | stdin_doesnot_contain br2
(echo && echo n) >input &&
git difftool -x cat branch <input >output &&
stdin_contains master <output &&
stdin_contains branch <output &&
stdin_doesnot_contain m2 <output &&
stdin_doesnot_contain br2 <output
'
test_expect_success PERL 'difftool --tool-help' '
tool_help=$(git difftool --tool-help) &&
echo "$tool_help" | stdin_contains tool
git difftool --tool-help >output &&
stdin_contains tool <output
'
test_expect_success PERL 'setup change in subdirectory' '
@ -359,29 +329,29 @@ test_expect_success PERL 'setup change in subdirectory' '
'
test_expect_success PERL 'difftool -d' '
diff=$(git difftool -d --extcmd ls branch) &&
echo "$diff" | stdin_contains sub &&
echo "$diff" | stdin_contains file
git difftool -d --extcmd ls branch >output &&
stdin_contains sub <output &&
stdin_contains file <output
'
test_expect_success PERL 'difftool --dir-diff' '
diff=$(git difftool --dir-diff --extcmd ls branch) &&
echo "$diff" | stdin_contains sub &&
echo "$diff" | stdin_contains file
git difftool --dir-diff --extcmd ls branch >output &&
stdin_contains sub <output &&
stdin_contains file <output
'
test_expect_success PERL 'difftool --dir-diff ignores --prompt' '
diff=$(git difftool --dir-diff --prompt --extcmd ls branch) &&
echo "$diff" | stdin_contains sub &&
echo "$diff" | stdin_contains file
git difftool --dir-diff --prompt --extcmd ls branch >output &&
stdin_contains sub <output &&
stdin_contains file <output
'
test_expect_success PERL 'difftool --dir-diff from subdirectory' '
(
cd sub &&
diff=$(git difftool --dir-diff --extcmd ls branch) &&
echo "$diff" | stdin_contains sub &&
echo "$diff" | stdin_contains file
git difftool --dir-diff --extcmd ls branch >output &&
stdin_contains sub <output &&
stdin_contains file <output
)
'