#!/bin/sh
# Copyright (c) 2011, Google Inc.

global test_description := ''diff --stat-count''
source ./test-lib.sh

test_expect_success 'setup' '
	>a &&
	>b &&
	>c &&
	>d &&
	git add a b c d &&
	git commit -m initial
'

test_expect_success 'mode-only change show as a 0-line change' '
	git reset --hard &&
	test_chmod +x b d &&
	echo a >a &&
	echo c >c &&
	cat >expect <<-\EOF &&
	 a | 1 +
	 b | 0
	 ...
	 4 files changed, 2 insertions(+)
	EOF
	git diff --stat --stat-count=2 HEAD >actual &&
	test_i18ncmp expect actual
'

test_expect_success 'binary changes do not count in lines' '
	git reset --hard &&
	echo a >a &&
	echo c >c &&
	cat "$TEST_DIRECTORY"/test-binary-1.png >d &&
	cat >expect <<-\EOF &&
	 a | 1 +
	 c | 1 +
	 ...
	 3 files changed, 2 insertions(+)
	EOF
	git diff --stat --stat-count=2 >actual &&
	test_i18ncmp expect actual
'

test_expect_success 'exclude unmerged entries from total file count' '
	git reset --hard &&
	echo a >a &&
	echo b >b &&
	git ls-files -s a >x &&
	git rm -f d &&
	for stage in 1 2 3
	do
		sed -e "s/ 0	a/ $stage	d/" x
	done |
	git update-index --index-info &&
	echo d >d &&
	cat >expect <<-\EOF &&
	 a | 1 +
	 b | 1 +
	 ...
	 3 files changed, 3 insertions(+)
	EOF
	git diff --stat --stat-count=2 >actual &&
	test_i18ncmp expect actual
'

test_done
(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:test_description)
          op: Equal
          rhs: {(SQ <"diff --stat-count">)}
          spids: [7]
        )
      ]
      spids: [7]
    )
    (C {(.)} {(./test-lib.sh)})
    (C {(test_expect_success)} {(SQ <setup>)} 
      {
        (SQ <"\n"> <"\t>a &&\n"> <"\t>b &&\n"> <"\t>c &&\n"> <"\t>d &&\n"> <"\tgit add a b c d &&\n"> 
          <"\tgit commit -m initial\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"mode-only change show as a 0-line change">)} 
      {
        (SQ <"\n"> <"\tgit reset --hard &&\n"> <"\ttest_chmod +x b d &&\n"> <"\techo a >a &&\n"> 
          <"\techo c >c &&\n"> <"\tcat >expect <<-\\EOF &&\n"> <"\t a | 1 +\n"> <"\t b | 0\n"> <"\t ...\n"> 
          <"\t 4 files changed, 2 insertions(+)\n"> <"\tEOF\n"> <"\tgit diff --stat --stat-count=2 HEAD >actual &&\n"> <"\ttest_i18ncmp expect actual\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"binary changes do not count in lines">)} 
      {
        (SQ <"\n"> <"\tgit reset --hard &&\n"> <"\techo a >a &&\n"> <"\techo c >c &&\n"> 
          <"\tcat \"$TEST_DIRECTORY\"/test-binary-1.png >d &&\n"> <"\tcat >expect <<-\\EOF &&\n"> <"\t a | 1 +\n"> <"\t c | 1 +\n"> <"\t ...\n"> 
          <"\t 3 files changed, 2 insertions(+)\n"> <"\tEOF\n"> <"\tgit diff --stat --stat-count=2 >actual &&\n"> <"\ttest_i18ncmp expect actual\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"exclude unmerged entries from total file count">)} 
      {
        (SQ <"\n"> <"\tgit reset --hard &&\n"> <"\techo a >a &&\n"> <"\techo b >b &&\n"> 
          <"\tgit ls-files -s a >x &&\n"> <"\tgit rm -f d &&\n"> <"\tfor stage in 1 2 3\n"> <"\tdo\n"> <"\t\tsed -e \"s/ 0\ta/ $stage\td/\" x\n"> 
          <"\tdone |\n"> <"\tgit update-index --index-info &&\n"> <"\techo d >d &&\n"> <"\tcat >expect <<-\\EOF &&\n"> 
          <"\t a | 1 +\n"> <"\t b | 1 +\n"> <"\t ...\n"> <"\t 3 files changed, 3 insertions(+)\n"> <"\tEOF\n"> 
          <"\tgit diff --stat --stat-count=2 >actual &&\n"> <"\ttest_i18ncmp expect actual\n">
        )
      }
    )
    (C {(test_done)})
  ]
)