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https://github.com/git/git
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d50b2c73b6
git-difftool relies on the ability to forward unknown arguments to the git-diff command. Add a test to ensure that this works as advertised. Signed-off-by: David Aguilar <davvid@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
320 lines
8 KiB
Bash
Executable file
320 lines
8 KiB
Bash
Executable file
#!/bin/sh
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#
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# Copyright (c) 2009, 2010 David Aguilar
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#
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test_description='git-difftool
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Testing basic diff tool invocation
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'
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. ./test-lib.sh
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remove_config_vars()
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{
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# Unset all config variables used by git-difftool
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git config --unset diff.tool
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git config --unset diff.guitool
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git config --unset difftool.test-tool.cmd
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git config --unset difftool.prompt
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git config --unset merge.tool
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git config --unset mergetool.test-tool.cmd
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git config --unset mergetool.prompt
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return 0
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}
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restore_test_defaults()
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{
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# Restores the test defaults used by several tests
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remove_config_vars
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unset GIT_DIFF_TOOL
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unset GIT_DIFFTOOL_PROMPT
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unset GIT_DIFFTOOL_NO_PROMPT
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git config diff.tool test-tool &&
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git config difftool.test-tool.cmd 'cat $LOCAL'
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git config difftool.bogus-tool.cmd false
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}
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prompt_given()
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{
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prompt="$1"
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test "$prompt" = "Launch 'test-tool' [Y/n]: branch"
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}
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stdin_contains()
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{
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grep >/dev/null "$1"
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}
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stdin_doesnot_contain()
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{
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! stdin_contains "$1"
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}
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# Create a file on master and change it on branch
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test_expect_success PERL 'setup' '
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echo master >file &&
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git add file &&
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git commit -m "added file" &&
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git checkout -b branch master &&
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echo branch >file &&
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git commit -a -m "branch changed file" &&
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git checkout master
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'
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# Configure a custom difftool.<tool>.cmd and use it
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test_expect_success PERL 'custom commands' '
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restore_test_defaults &&
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git config difftool.test-tool.cmd "cat \$REMOTE" &&
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diff=$(git difftool --no-prompt branch) &&
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test "$diff" = "master" &&
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restore_test_defaults &&
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diff=$(git difftool --no-prompt branch) &&
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test "$diff" = "branch"
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'
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# Ensures that git-difftool ignores bogus --tool values
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test_expect_success PERL 'difftool ignores bad --tool values' '
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diff=$(git difftool --no-prompt --tool=bad-tool branch)
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test "$?" = 1 &&
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test "$diff" = ""
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'
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test_expect_success PERL 'difftool forwards arguments to diff' '
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>for-diff &&
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git add for-diff &&
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echo changes>for-diff &&
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git add for-diff &&
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diff=$(git difftool --cached --no-prompt -- for-diff) &&
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test "$diff" = "" &&
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git reset -- for-diff &&
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rm for-diff
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'
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test_expect_success PERL 'difftool honors --gui' '
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git config merge.tool bogus-tool &&
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git config diff.tool bogus-tool &&
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git config diff.guitool test-tool &&
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diff=$(git difftool --no-prompt --gui branch) &&
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test "$diff" = "branch" &&
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restore_test_defaults
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'
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test_expect_success PERL 'difftool --gui works without configured diff.guitool' '
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git config diff.tool test-tool &&
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diff=$(git difftool --no-prompt --gui branch) &&
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test "$diff" = "branch" &&
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restore_test_defaults
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'
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# Specify the diff tool using $GIT_DIFF_TOOL
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test_expect_success PERL 'GIT_DIFF_TOOL variable' '
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test_might_fail git config --unset diff.tool &&
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GIT_DIFF_TOOL=test-tool &&
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export GIT_DIFF_TOOL &&
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diff=$(git difftool --no-prompt branch) &&
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test "$diff" = "branch" &&
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restore_test_defaults
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'
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# Test the $GIT_*_TOOL variables and ensure
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# that $GIT_DIFF_TOOL always wins unless --tool is specified
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test_expect_success PERL 'GIT_DIFF_TOOL overrides' '
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git config diff.tool bogus-tool &&
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git config merge.tool bogus-tool &&
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GIT_DIFF_TOOL=test-tool &&
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export GIT_DIFF_TOOL &&
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diff=$(git difftool --no-prompt branch) &&
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test "$diff" = "branch" &&
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GIT_DIFF_TOOL=bogus-tool &&
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export GIT_DIFF_TOOL &&
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diff=$(git difftool --no-prompt --tool=test-tool branch) &&
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test "$diff" = "branch" &&
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restore_test_defaults
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'
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# Test that we don't have to pass --no-prompt to difftool
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# when $GIT_DIFFTOOL_NO_PROMPT is true
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test_expect_success PERL 'GIT_DIFFTOOL_NO_PROMPT variable' '
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GIT_DIFFTOOL_NO_PROMPT=true &&
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export GIT_DIFFTOOL_NO_PROMPT &&
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diff=$(git difftool branch) &&
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test "$diff" = "branch" &&
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restore_test_defaults
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'
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# git-difftool supports the difftool.prompt variable.
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# Test that GIT_DIFFTOOL_PROMPT can override difftool.prompt = false
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test_expect_success PERL 'GIT_DIFFTOOL_PROMPT variable' '
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git config difftool.prompt false &&
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GIT_DIFFTOOL_PROMPT=true &&
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export GIT_DIFFTOOL_PROMPT &&
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prompt=$(echo | git difftool branch | tail -1) &&
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prompt_given "$prompt" &&
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restore_test_defaults
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'
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# Test that we don't have to pass --no-prompt when difftool.prompt is false
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test_expect_success PERL 'difftool.prompt config variable is false' '
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git config difftool.prompt false &&
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diff=$(git difftool branch) &&
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test "$diff" = "branch" &&
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restore_test_defaults
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'
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# Test that we don't have to pass --no-prompt when mergetool.prompt is false
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test_expect_success PERL 'difftool merge.prompt = false' '
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test_might_fail git config --unset difftool.prompt &&
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git config mergetool.prompt false &&
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diff=$(git difftool branch) &&
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test "$diff" = "branch" &&
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restore_test_defaults
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'
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# Test that the -y flag can override difftool.prompt = true
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test_expect_success PERL 'difftool.prompt can overridden with -y' '
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git config difftool.prompt true &&
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diff=$(git difftool -y branch) &&
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test "$diff" = "branch" &&
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restore_test_defaults
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'
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# Test that the --prompt flag can override difftool.prompt = false
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test_expect_success PERL 'difftool.prompt can overridden with --prompt' '
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git config difftool.prompt false &&
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prompt=$(echo | git difftool --prompt branch | tail -1) &&
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prompt_given "$prompt" &&
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restore_test_defaults
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'
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# Test that the last flag passed on the command-line wins
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test_expect_success PERL 'difftool last flag wins' '
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diff=$(git difftool --prompt --no-prompt branch) &&
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test "$diff" = "branch" &&
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restore_test_defaults &&
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prompt=$(echo | git difftool --no-prompt --prompt branch | tail -1) &&
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prompt_given "$prompt" &&
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restore_test_defaults
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'
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# git-difftool falls back to git-mergetool config variables
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# so test that behavior here
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test_expect_success PERL 'difftool + mergetool config variables' '
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remove_config_vars &&
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git config merge.tool test-tool &&
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git config mergetool.test-tool.cmd "cat \$LOCAL" &&
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diff=$(git difftool --no-prompt branch) &&
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test "$diff" = "branch" &&
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# set merge.tool to something bogus, diff.tool to test-tool
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git config merge.tool bogus-tool &&
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git config diff.tool test-tool &&
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diff=$(git difftool --no-prompt branch) &&
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test "$diff" = "branch" &&
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restore_test_defaults
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'
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test_expect_success PERL 'difftool.<tool>.path' '
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git config difftool.tkdiff.path echo &&
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diff=$(git difftool --tool=tkdiff --no-prompt branch) &&
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git config --unset difftool.tkdiff.path &&
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lines=$(echo "$diff" | grep file | wc -l) &&
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test "$lines" -eq 1 &&
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restore_test_defaults
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'
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test_expect_success PERL 'difftool --extcmd=cat' '
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diff=$(git difftool --no-prompt --extcmd=cat branch) &&
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test "$diff" = branch"$LF"master
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'
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test_expect_success PERL 'difftool --extcmd cat' '
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diff=$(git difftool --no-prompt --extcmd cat branch) &&
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test "$diff" = branch"$LF"master
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'
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test_expect_success PERL 'difftool -x cat' '
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diff=$(git difftool --no-prompt -x cat branch) &&
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test "$diff" = branch"$LF"master
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'
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test_expect_success PERL 'difftool --extcmd echo arg1' '
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diff=$(git difftool --no-prompt --extcmd sh\ -c\ \"echo\ \$1\" branch) &&
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test "$diff" = file
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'
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test_expect_success PERL 'difftool --extcmd cat arg1' '
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diff=$(git difftool --no-prompt --extcmd sh\ -c\ \"cat\ \$1\" branch) &&
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test "$diff" = master
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'
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test_expect_success PERL 'difftool --extcmd cat arg2' '
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diff=$(git difftool --no-prompt --extcmd sh\ -c\ \"cat\ \$2\" branch) &&
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test "$diff" = branch
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'
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# Create a second file on master and a different version on branch
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test_expect_success PERL 'setup with 2 files different' '
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echo m2 >file2 &&
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git add file2 &&
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git commit -m "added file2" &&
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git checkout branch &&
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echo br2 >file2 &&
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git add file2 &&
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git commit -a -m "branch changed file2" &&
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git checkout master
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'
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test_expect_success PERL 'say no to the first file' '
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diff=$( (echo n; echo) | git difftool -x cat branch ) &&
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echo "$diff" | stdin_contains m2 &&
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echo "$diff" | stdin_contains br2 &&
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echo "$diff" | stdin_doesnot_contain master &&
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echo "$diff" | stdin_doesnot_contain branch
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'
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test_expect_success PERL 'say no to the second file' '
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diff=$( (echo; echo n) | git difftool -x cat branch ) &&
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echo "$diff" | stdin_contains master &&
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echo "$diff" | stdin_contains branch &&
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echo "$diff" | stdin_doesnot_contain m2 &&
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echo "$diff" | stdin_doesnot_contain br2
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'
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test_done
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