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Diffstat (limited to 't/t7800-difftool.sh')
| -rwxr-xr-x | t/t7800-difftool.sh | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh new file mode 100755 index 0000000000..ebdccf9a1e --- /dev/null +++ b/t/t7800-difftool.sh @@ -0,0 +1,216 @@ +#!/bin/sh +# +# Copyright (c) 2009 David Aguilar +# + +test_description='git-difftool + +Testing basic diff tool invocation +' + +. ./test-lib.sh + +if ! test_have_prereq PERL; then + say 'skipping difftool tests, perl not available' + test_done +fi + +remove_config_vars() +{ + # Unset all config variables used by git-difftool + git config --unset diff.tool + git config --unset difftool.test-tool.cmd + git config --unset difftool.prompt + git config --unset merge.tool + git config --unset mergetool.test-tool.cmd + return 0 +} + +restore_test_defaults() +{ + # Restores the test defaults used by several tests + remove_config_vars + unset GIT_DIFF_TOOL + unset GIT_MERGE_TOOL + unset GIT_DIFFTOOL_PROMPT + unset GIT_DIFFTOOL_NO_PROMPT + git config diff.tool test-tool && + git config difftool.test-tool.cmd 'cat $LOCAL' +} + +prompt_given() +{ + prompt="$1" + test "$prompt" = "Hit return to launch 'test-tool': branch" +} + +# Create a file on master and change it on branch +test_expect_success '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 '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 'difftool ignores bad --tool values' ' + diff=$(git difftool --no-prompt --tool=bogus-tool branch) + test "$?" = 1 && + test "$diff" = "" +' + +# Specify the diff tool using $GIT_DIFF_TOOL +test_expect_success 'GIT_DIFF_TOOL variable' ' + git config --unset diff.tool + GIT_DIFF_TOOL=test-tool && + export GIT_DIFF_TOOL && + + diff=$(git difftool --no-prompt branch) && + test "$diff" = "branch" && + + restore_test_defaults +' + +# Test the $GIT_*_TOOL variables and ensure +# that $GIT_DIFF_TOOL always wins unless --tool is specified +test_expect_success 'GIT_DIFF_TOOL overrides' ' + git config diff.tool bogus-tool && + git config merge.tool bogus-tool && + + GIT_MERGE_TOOL=test-tool && + export GIT_MERGE_TOOL && + diff=$(git difftool --no-prompt branch) && + test "$diff" = "branch" && + unset GIT_MERGE_TOOL && + + GIT_MERGE_TOOL=bogus-tool && + GIT_DIFF_TOOL=test-tool && + export GIT_MERGE_TOOL && + export GIT_DIFF_TOOL && + + diff=$(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 $GIT_DIFFTOOL_NO_PROMPT is true +test_expect_success 'GIT_DIFFTOOL_NO_PROMPT variable' ' + GIT_DIFFTOOL_NO_PROMPT=true && + export GIT_DIFFTOOL_NO_PROMPT && + + diff=$(git difftool branch) && + test "$diff" = "branch" && + + restore_test_defaults +' + +# git-difftool supports the difftool.prompt variable. +# Test that GIT_DIFFTOOL_PROMPT can override difftool.prompt = false +test_expect_success 'GIT_DIFFTOOL_PROMPT variable' ' + git config difftool.prompt false && + GIT_DIFFTOOL_PROMPT=true && + export GIT_DIFFTOOL_PROMPT && + + prompt=$(echo | git difftool --prompt branch | tail -1) && + prompt_given "$prompt" && + + restore_test_defaults +' + +# Test that we don't have to pass --no-prompt when difftool.prompt is false +test_expect_success 'difftool.prompt config variable is false' ' + git config difftool.prompt false && + + diff=$(git difftool branch) && + test "$diff" = "branch" && + + restore_test_defaults +' + +# Test that the -y flag can override difftool.prompt = true +test_expect_success 'difftool.prompt can overridden with -y' ' + git config difftool.prompt true && + + diff=$(git difftool -y branch) && + test "$diff" = "branch" && + + restore_test_defaults +' + +# Test that the --prompt flag can override difftool.prompt = false +test_expect_success 'difftool.prompt can overridden with --prompt' ' + git config difftool.prompt false && + + prompt=$(echo | git difftool --prompt branch | tail -1) && + prompt_given "$prompt" && + + restore_test_defaults +' + +# Test that the last flag passed on the command-line wins +test_expect_success 'difftool last flag wins' ' + diff=$(git difftool --prompt --no-prompt branch) && + test "$diff" = "branch" && + + restore_test_defaults && + + prompt=$(echo | git difftool --no-prompt --prompt branch | tail -1) && + prompt_given "$prompt" && + + restore_test_defaults +' + +# git-difftool falls back to git-mergetool config variables +# so test that behavior here +test_expect_success 'difftool + mergetool config variables' ' + remove_config_vars + git config merge.tool test-tool && + git config mergetool.test-tool.cmd "cat \$LOCAL" && + + diff=$(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 "$diff" = "branch" && + + restore_test_defaults +' + +test_expect_success 'difftool.<tool>.path' ' + git config difftool.tkdiff.path echo && + diff=$(git difftool --tool=tkdiff --no-prompt branch) && + git config --unset difftool.tkdiff.path && + lines=$(echo "$diff" | grep file | wc -l) && + test "$lines" -eq 1 +' + +test_done |