#!/bin/sh
#
# Copyright (c) 2012 Zbigniew Jędrzejewski-Szmek
#

test_description='test --stat output of various commands'

. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-terminal.sh

# 120 character name
name=aaaaaaaaaa
name=$name$name$name$name$name$name$name$name$name$name$name$name
test_expect_success 'preparation' '
        >"$name" &&
        git add "$name" &&
        git commit -m message &&
        echo a >"$name" &&
        git commit -m message "$name"
'

while read cmd args
do
        cat >expect <<-'EOF'
         ...aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa |    1 +
        EOF
        test_expect_success "$cmd: a short graph bar does not extend to the full width" '
                git $cmd $args >output &&
                grep " | " output >actual &&
                test_cmp expect actual
        '

        cat >expect <<-'EOF'
         ...aaaaaaaaaaaaaaaaaaaaaa |    1 +
        EOF
        test_expect_success "$cmd --stat=width: name is chopped to leave room to the right of a short bar" '
                git $cmd $args --stat=40 >output &&
                grep " | " output >actual &&
                test_cmp expect actual
        '

        test_expect_success "$cmd --stat-width=width with long name" '
                git $cmd $args --stat-width=40 >output &&
                grep " | " output >actual &&
                test_cmp expect actual
        '

        cat >expect <<-'EOF'
         ...aaaaaaaaaaaaaaaaaaaaaaaaaaa |    1 +
        EOF
        test_expect_success "$cmd --stat=...,name-width with long name" '
                git $cmd $args --stat=60,30 >output &&
                grep " | " output >actual &&
                test_cmp expect actual
        '

        test_expect_success "$cmd --stat-name-width with long name" '
                git $cmd $args --stat-name-width=30 >output &&
                grep " | " output >actual &&
                test_cmp expect actual
        '
done <<\EOF
format-patch -1 --stdout
diff HEAD^ HEAD --stat
show --stat
log -1 --stat
EOF


test_expect_success 'preparation for big change tests' '
        >abcd &&
        git add abcd &&
        git commit -m message &&
        i=0 &&
        while test $i -lt 1000
        do
                echo $i && i=$(($i + 1))
        done >abcd &&
        git commit -m message abcd
'

cat >expect80 <<'EOF'
 abcd | 1000 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
EOF

while read verb expect cmd args
do
        test_expect_success "$cmd $verb COLUMNS (big change)" '
                COLUMNS=200 git $cmd $args >output
                grep " | " output >actual &&
                test_cmp "$expect" actual
        '
done <<\EOF
ignores expect80 format-patch -1 --stdout
ignores expect80 diff HEAD^ HEAD --stat
ignores expect80 show --stat
ignores expect80 log -1 --stat
EOF

cat >expect <<'EOF'
 abcd | 1000 ++++++++++++++++++++++++++
EOF
while read cmd args
do
        test_expect_success "$cmd --stat=width with big change" '
                git $cmd $args --stat=40 >output
                grep " | " output >actual &&
                test_cmp expect actual
        '

        test_expect_success "$cmd --stat-width=width with big change" '
                git $cmd $args --stat-width=40 >output
                grep " | " output >actual &&
                test_cmp expect actual
        '
done <<\EOF
format-patch -1 --stdout
diff HEAD^ HEAD --stat
show --stat
log -1 --stat
EOF

test_expect_success 'preparation for long filename tests' '
        cp abcd aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa &&
        git add aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa &&
        git commit -m message
'

cat >expect <<'EOF'
 ...aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | 1000 +++++
EOF
while read cmd args
do
        test_expect_success "$cmd --stat=width with big change and long name favors name part" '
                git $cmd $args --stat-width=60 >output &&
                grep " | " output >actual &&
                test_cmp expect actual
        '
done <<\EOF
format-patch -1 --stdout
diff HEAD^ HEAD --stat
show --stat
log -1 --stat
EOF

cat >expect80 <<'EOF'
 ...aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | 1000 ++++++++++++++++++++
EOF
while read verb expect cmd args
do
        test_expect_success "$cmd $verb COLUMNS (long filename)" '
                COLUMNS=200 git $cmd $args >output
                grep " | " output >actual &&
                test_cmp "$expect" actual
        '
done <<\EOF
ignores expect80 format-patch -1 --stdout
ignores expect80 diff HEAD^ HEAD --stat
ignores expect80 show --stat
ignores expect80 log -1 --stat
EOF

cat >expect <<'EOF'
 abcd | 1000 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
EOF
test_expect_success 'merge --stat ignores COLUMNS (big change)' '
        git checkout -b branch HEAD^^ &&
        COLUMNS=100 git merge --stat --no-ff master^ >output &&
        grep " | " output >actual
        test_cmp expect actual
'

cat >expect <<'EOF'
 ...aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | 1000 ++++++++++++++++++++
EOF
test_expect_success 'merge --stat ignores COLUMNS (long filename)' '
        COLUMNS=100 git merge --stat --no-ff master >output &&
        grep " | " output >actual
        test_cmp expect actual
'

test_done