#!/bin/sh

# The log page and its search. The searching checks use the repository whose
# name contains a space and a term containing a space, so every link cgit
# writes back has to escape the path and the query, which escape differently.

test_description='Check content on log page'
. ./setup.sh

test_expect_success 'the log lists the whole of a short history' '
	cgit_ok_url "foo/log" >tmp &&
	test_grep ">commit 1<" tmp &&
	test_grep ">commit 5<" tmp
'

test_expect_success 'the first log page holds fifty commits' '
	cgit_ok_url "bar/log" >tmp &&
	test_grep ">commit 1<" tmp &&
	test_grep ">commit 50<" tmp
'

# Prints the options of the branch switcher that carry selected.
selected_options() {
	sed -n "/<select name=.h./,/<\/select>/p" "$1" | grep " selected"
}

# The switch button submits the select as h, so whatever head the request
# follows has to sit in the list selected, or submitting would quietly move
# the visitor to the first branch.
test_expect_success 'a detached head stays selected in the switcher' '
	sha=$(git -C repos/foo rev-parse master~1) &&
	cgit_ok_url "foo/log&h=$sha" >tmp &&
	selected_options tmp >selected &&
	test_line_count = 1 selected &&
	test_grep "option value=.$sha. selected" selected
'
test_expect_success 'a tag head stays selected in the switcher' '
	git -C repos/foo tag t-switch master~1 &&
	test_when_finished "git -C repos/foo tag -d t-switch" &&
	cgit_ok_url "foo/log&h=t-switch" >tmp &&
	selected_options tmp >selected &&
	test_line_count = 1 selected &&
	test_grep "option value=.t-switch. selected>t-switch (detached)" selected
'
test_expect_success 'a branch head keeps its plain option' '
	cgit_ok_url "foo/log&h=master" >tmp &&
	selected_options tmp >selected &&
	test_line_count = 1 selected &&
	test_grep "option value=.master. selected>master<" selected &&
	test_grep ! "detached" tmp
'

test_expect_success 'a search escapes the space in its links' '
	cgit_ok_url "with+space/log&qt=grep&q=commit+1" >tmp &&
	test_grep "/with%20space/log/?qt=grep" tmp &&
	test_grep "/log/?qt=grep&amp;q=commit+1" tmp &&
	test_grep ! "href=./with space/" tmp &&
	test_grep ! "q=commit 1" tmp
'
test_expect_success 'a search lists only the commits it matches' '
	cgit_ok_url "with+space/log&qt=grep&q=commit+1" >tmp &&
	test_grep ">commit 1<" tmp &&
	test_grep ! "commit 2" tmp
'

# A search that matches nothing says so in a row of its own, rather than
# leaving the table a header with nothing under it.
test_expect_success 'a search matching nothing says so' '
	cgit_ok_url "foo/log&qt=grep&q=no+such+commit" >tmp &&
	test_grep "<tr class=.nohover.><td colspan=.5.>No commits match the search</td></tr>" tmp &&
	cgit_ok_url "foo/log&qt=grep&q=commit+1" >tmp &&
	test_grep ">commit 1<" tmp &&
	test_grep ! "No commits match" tmp
'

# Following a file diffs each commit for the name the file had there, so the
# root commit that created it has to be diffed too, and paging has to go on
# asking about the name the visitor followed rather than the older one.
test_expect_success 'set up a renamed file to follow' '
	test_create_repo repos/fol &&
	(
		cd repos/fol &&
		echo 1 >a.txt &&
		git add a.txt &&
		git commit -m "create a" &&
		for i in 2 3 4
		do
			echo $i >>a.txt &&
			git commit -am "edit a $i" || return 1
		done &&
		git mv a.txt b.txt &&
		git commit -m "rename to b" &&
		for i in 6 7 8
		do
			echo $i >>b.txt &&
			git commit -am "edit b $i" || return 1
		done
	) &&
	cgitrc_repo folrc fol enable-follow-links=1 max-commit-count=3
'

test_expect_success 'a followed log reaches the root commit' '
	cgit_ok folrc "url=fol/log/b.txt&follow=1&ofs=6" >tmp &&
	grep ">edit a 2<" tmp &&
	grep ">create a<" tmp
'

test_expect_success 'the pager of a followed log keeps the name followed' '
	cgit_ok folrc "url=fol/log/b.txt&follow=1&ofs=3" >tmp &&
	grep ">edit a 3<" tmp &&
	grep "href=./fol/log/b.txt?follow=1.>\[prev\]" tmp &&
	grep "href=./fol/log/b.txt?ofs=6&amp;follow=1.>\[next\]" tmp
'

test_expect_success 'a cut subject keeps whole characters' '
	git -C repos/foo commit --allow-empty -m "日本語の説明文です日本語の説明文です" &&
	cgitrc_copy subjectrc max-message-length=20 &&
	cgit_ok subjectrc "url=foo/log/" >tmp &&
	grep ">日本語の説\.\.\.</a>" tmp
'

test_expect_success 'the log draws the commit graph when enabled' '
	cgitrc_copy graphrc enable-commit-graph=1 &&
	cgit_ok graphrc "url=foo/log/" >tmp &&
	grep "class=.commitgraph." tmp &&
	grep "<th scope=.col. aria-label=.Graph.></th>" tmp
'

# A followed log is walked without the graph, so its first column holds the
# age whatever enable-commit-graph says.
test_expect_success 'a followed log heads its age column with the graph on' '
	{
		echo "enable-commit-graph=1" &&
		cat folrc
	} >folgraphrc &&
	cgit_ok folgraphrc "url=fol/log/b.txt&follow=1" >tmp &&
	grep "<th class=.left. scope=.col.>Age</th><th class=.left. scope=.col.>Commit message" tmp &&
	test_grep ! "aria-label=.Graph." tmp
'

# The search is literal, so text that is no valid regular expression still
# finds the commit holding it.
test_expect_success 'a search for brackets matches them literally' '
	git -C repos/foo commit --allow-empty -m "fix [brackets] in docs" &&
	cgit_ok_url "foo/log&qt=grep&q=%5Bbrackets" >tmp &&
	grep "fix \\[brackets\\] in docs" tmp
'

# A range is walked in full before the first row, so a missing parent fails
# the walk while the page can still answer with an error of its own.
test_expect_success 'a walk that cannot start answers one error page' '
	git clone -q repos/foo gap &&
	old=$(git -C gap rev-parse HEAD~4) &&
	parent=$(git -C gap rev-parse HEAD~2) &&
	rm gap/.git/objects/$(echo $parent | cut -c1-2)/$(echo $parent | cut -c3-) &&
	cgitrc_repo gaprc gap "repo.path=$PWD/gap/.git" &&
	cgit_rc gaprc "url=gap/log/&qt=range&q=$old..master" >tmp 2>err &&
	test $(grep -c "^Status:" tmp) = 1 &&
	grep "^Status: 500" tmp &&
	grep "Unable to read the history" tmp &&
	test_grep "Could not read $parent" err
'

test_done