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Diffstat (limited to 't/t7800-difftool.sh')
| -rwxr-xr-x | t/t7800-difftool.sh | 309 |
1 files changed, 309 insertions, 0 deletions
diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh new file mode 100755 index 0000000..4fb4c93 --- /dev/null +++ b/t/t7800-difftool.sh @@ -0,0 +1,309 @@ +#!/bin/sh +# +# Copyright (c) 2009, 2010 David Aguilar +# + +test_description='git-difftool + +Testing basic diff tool invocation +' + +. ./test-lib.sh + +remove_config_vars() +{ + # 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 +} + +prompt_given() +{ + prompt="$1" + test "$prompt" = "Launch 'test-tool' [Y/n]: branch" +} + +stdin_contains() +{ + grep >/dev/null "$1" +} + +stdin_doesnot_contain() +{ + ! stdin_contains "$1" +} + +# Create a file on master and change it on branch +test_expect_success PERL 'setup' ' + echo master >file && + git add file && + git commit -m "added file" && + + git checkout -b branch master && + echo branch >file && + git commit -a -m "branch changed file" && + git checkout master +' + +# Configure a custom difftool.<tool>.cmd and use it +test_expect_success PERL 'custom commands' ' + restore_test_defaults && + git config difftool.test-tool.cmd "cat \$REMOTE" && + + diff=$(git difftool --no-prompt branch) && + test "$diff" = "master" && + + restore_test_defaults && + diff=$(git difftool --no-prompt branch) && + test "$diff" = "branch" +' + +# Ensures that git-difftool ignores bogus --tool values +test_expect_success PERL 'difftool ignores bad --tool values' ' + diff=$(git difftool --no-prompt --tool=bad-tool branch) + test "$?" = 1 && + test "$diff" = "" +' + +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 && + + diff=$(git difftool --no-prompt --gui branch) && + test "$diff" = "branch" && + + restore_test_defaults +' + +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 +' + +# 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 +' + +# Test the $GIT_*_TOOL variables and ensure +# that $GIT_DIFF_TOOL always wins unless --tool is specified +test_expect_success PERL 'GIT_DIFF_TOOL overrides' ' + git config diff.tool bogus-tool && + git config merge.tool bogus-tool && + + GIT_DIFF_TOOL=test-tool && + export GIT_DIFF_TOOL && + + diff=$(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 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 "$diff" = "branch" && + + restore_test_defaults +' + +# git-difftool supports the difftool.prompt variable. +# Test that GIT_DIFFTOOL_PROMPT can override difftool.prompt = false +test_expect_success PERL 'GIT_DIFFTOOL_PROMPT variable' ' + git config difftool.prompt false && + GIT_DIFFTOOL_PROMPT=true && + export GIT_DIFFTOOL_PROMPT && + + prompt=$(echo | git difftool branch | tail -1) && + prompt_given "$prompt" && + + restore_test_defaults +' + +# Test that we don't have to pass --no-prompt when difftool.prompt is false +test_expect_success PERL 'difftool.prompt config variable is false' ' + git config difftool.prompt false && + + diff=$(git difftool branch) && + test "$diff" = "branch" && + + restore_test_defaults +' + +# Test that we don't have to pass --no-prompt when mergetool.prompt is false +test_expect_success PERL 'difftool merge.prompt = false' ' + test_might_fail git config --unset difftool.prompt && + git config mergetool.prompt false && + + diff=$(git difftool branch) && + test "$diff" = "branch" && + + restore_test_defaults +' + +# Test that the -y flag can override difftool.prompt = true +test_expect_success PERL 'difftool.prompt can overridden with -y' ' + git config difftool.prompt true && + + diff=$(git difftool -y branch) && + test "$diff" = "branch" && + + restore_test_defaults +' + +# Test that the --prompt flag can override difftool.prompt = false +test_expect_success PERL 'difftool.prompt can overridden with --prompt' ' + git config difftool.prompt false && + + prompt=$(echo | git difftool --prompt branch | tail -1) && + prompt_given "$prompt" && + + restore_test_defaults +' + +# Test that the last flag passed on the command-line wins +test_expect_success PERL 'difftool last flag wins' ' + diff=$(git difftool --prompt --no-prompt branch) && + test "$diff" = "branch" && + + restore_test_defaults && + + prompt=$(echo | git difftool --no-prompt --prompt branch | tail -1) && + prompt_given "$prompt" && + + restore_test_defaults +' + +# git-difftool falls back to git-mergetool config variables +# so test that behavior here +test_expect_success PERL 'difftool + mergetool config variables' ' + remove_config_vars && + git config merge.tool test-tool && + git config mergetool.test-tool.cmd "cat \$LOCAL" && + + diff=$(git difftool --no-prompt branch) && + test "$diff" = "branch" && + + # set merge.tool to something bogus, diff.tool to test-tool + git config merge.tool bogus-tool && + git config diff.tool test-tool && + + diff=$(git difftool --no-prompt branch) && + test "$diff" = "branch" && + + restore_test_defaults +' + +test_expect_success PERL 'difftool.<tool>.path' ' + git config difftool.tkdiff.path echo && + diff=$(git difftool --tool=tkdiff --no-prompt branch) && + git config --unset difftool.tkdiff.path && + lines=$(echo "$diff" | grep file | wc -l) && + test "$lines" -eq 1 && + + restore_test_defaults +' + +test_expect_success PERL 'difftool --extcmd=cat' ' + diff=$(git difftool --no-prompt --extcmd=cat branch) && + test "$diff" = branch"$LF"master +' + +test_expect_success PERL 'difftool --extcmd cat' ' + diff=$(git difftool --no-prompt --extcmd cat branch) && + test "$diff" = branch"$LF"master +' + +test_expect_success PERL 'difftool -x cat' ' + diff=$(git difftool --no-prompt -x cat branch) && + test "$diff" = branch"$LF"master +' + +test_expect_success PERL 'difftool --extcmd echo arg1' ' + diff=$(git difftool --no-prompt --extcmd sh\ -c\ \"echo\ \$1\" branch) && + test "$diff" = file +' + +test_expect_success PERL 'difftool --extcmd cat arg1' ' + diff=$(git difftool --no-prompt --extcmd sh\ -c\ \"cat\ \$1\" branch) && + test "$diff" = master +' + +test_expect_success PERL 'difftool --extcmd cat arg2' ' + diff=$(git difftool --no-prompt --extcmd sh\ -c\ \"cat\ \$2\" branch) && + test "$diff" = branch +' + +# Create a second file on master and a different version on branch +test_expect_success PERL 'setup with 2 files different' ' + echo m2 >file2 && + git add file2 && + git commit -m "added file2" && + + git checkout branch && + echo br2 >file2 && + git add file2 && + git commit -a -m "branch changed file2" && + git checkout master +' + +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 "$diff" | stdin_doesnot_contain branch +' + +test_expect_success PERL 'say no to the second file' ' + diff=$( (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 +' + +test_done |