From 23b250ab0f041bba7af4ba8eb1a686f6850677a6 Mon Sep 17 00:00:00 2001 From: Brian Henderson Date: Mon, 29 Aug 2016 10:33:45 -0700 Subject: [PATCH] diff-highlight: add some tests Signed-off-by: Brian Henderson Signed-off-by: Junio C Hamano --- contrib/diff-highlight/Makefile | 5 + contrib/diff-highlight/t/Makefile | 22 +++ contrib/diff-highlight/t/t9400-diff-highlight.sh | 163 +++++++++++++++++++++++ 3 files changed, 190 insertions(+) create mode 100644 contrib/diff-highlight/Makefile create mode 100644 contrib/diff-highlight/t/Makefile create mode 100755 contrib/diff-highlight/t/t9400-diff-highlight.sh diff --git a/contrib/diff-highlight/Makefile b/contrib/diff-highlight/Makefile new file mode 100644 index 0000000000..9018724524 --- /dev/null +++ b/contrib/diff-highlight/Makefile @@ -0,0 +1,5 @@ +# nothing to build +all: + +test: + $(MAKE) -C t diff --git a/contrib/diff-highlight/t/Makefile b/contrib/diff-highlight/t/Makefile new file mode 100644 index 0000000000..5ff5275496 --- /dev/null +++ b/contrib/diff-highlight/t/Makefile @@ -0,0 +1,22 @@ +-include ../../../config.mak.autogen +-include ../../../config.mak + +# copied from ../../t/Makefile +SHELL_PATH ?= $(SHELL) +SHELL_PATH_SQ = $(subst ','\'',$(SHELL_PATH)) +T = $(wildcard t[0-9][0-9][0-9][0-9]-*.sh) + +all: test +test: $(T) + +.PHONY: help clean all test $(T) + +help: + @echo 'Run "$(MAKE) test" to launch test scripts' + @echo 'Run "$(MAKE) clean" to remove trash folders' + +$(T): + @echo "*** $@ ***"; '$(SHELL_PATH_SQ)' $@ $(GIT_TEST_OPTS) + +clean: + $(RM) -r 'trash directory'.* diff --git a/contrib/diff-highlight/t/t9400-diff-highlight.sh b/contrib/diff-highlight/t/t9400-diff-highlight.sh new file mode 100755 index 0000000000..446b4daed8 --- /dev/null +++ b/contrib/diff-highlight/t/t9400-diff-highlight.sh @@ -0,0 +1,163 @@ +#!/bin/sh + +test_description='Test diff-highlight' + +CURR_DIR=$(pwd) +TEST_OUTPUT_DIRECTORY=$(pwd) +TEST_DIRECTORY="$CURR_DIR"/../../../t +DIFF_HIGHLIGHT="$CURR_DIR"/../diff-highlight + +CW="$(printf "\033[7m")" # white +CR="$(printf "\033[27m")" # reset + +. "$TEST_DIRECTORY"/test-lib.sh + +if ! test_have_prereq PERL +then + skip_all='skipping diff-highlight tests; perl not available' + test_done +fi + +# dh_test is a test helper function which takes 3 file names as parameters. The +# first 2 files are used to generate diff and commit output, which is then +# piped through diff-highlight. The 3rd file should contain the expected output +# of diff-highlight (minus the diff/commit header, ie. everything after and +# including the first @@ line). +dh_test () { + a="$1" b="$2" && + + cat >patch.exp && + + { + cat "$a" >file && + git add file && + git commit -m "Add a file" && + + cat "$b" >file && + git diff file >diff.raw && + git commit -a -m "Update a file" && + git show >commit.raw + } >/dev/null && + + "$DIFF_HIGHLIGHT" diff.act && + "$DIFF_HIGHLIGHT" commit.act && + test_cmp patch.exp diff.act && + test_cmp patch.exp commit.act +} + +test_strip_patch_header () { + sed -n '/^@@/,$p' $* +} + +test_expect_success 'diff-highlight highlights the beginning of a line' ' + cat >a <<-\EOF && + aaa + bbb + ccc + EOF + + cat >b <<-\EOF && + aaa + 0bb + ccc + EOF + + dh_test a b <<-EOF + @@ -1,3 +1,3 @@ + aaa + -${CW}b${CR}bb + +${CW}0${CR}bb + ccc + EOF +' + +test_expect_success 'diff-highlight highlights the end of a line' ' + cat >a <<-\EOF && + aaa + bbb + ccc + EOF + + cat >b <<-\EOF && + aaa + bb0 + ccc + EOF + + dh_test a b <<-EOF + @@ -1,3 +1,3 @@ + aaa + -bb${CW}b${CR} + +bb${CW}0${CR} + ccc + EOF +' + +test_expect_success 'diff-highlight highlights the middle of a line' ' + cat >a <<-\EOF && + aaa + bbb + ccc + EOF + + cat >b <<-\EOF && + aaa + b0b + ccc + EOF + + dh_test a b <<-EOF + @@ -1,3 +1,3 @@ + aaa + -b${CW}b${CR}b + +b${CW}0${CR}b + ccc + EOF +' + +test_expect_success 'diff-highlight does not highlight whole line' ' + cat >a <<-\EOF && + aaa + bbb + ccc + EOF + + cat >b <<-\EOF && + aaa + 000 + ccc + EOF + + dh_test a b <<-EOF + @@ -1,3 +1,3 @@ + aaa + -bbb + +000 + ccc + EOF +' + +test_expect_failure 'diff-highlight highlights mismatched hunk size' ' + cat >a <<-\EOF && + aaa + bbb + EOF + + cat >b <<-\EOF && + aaa + b0b + ccc + EOF + + dh_test a b <<-EOF + @@ -1,3 +1,3 @@ + aaa + -b${CW}b${CR}b + +b${CW}0${CR}b + +ccc + EOF +' + +# TODO add multi-byte test + +test_done -- 2.11.4.GIT