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-rwxr-xr-xt/t8014-blame-ignore-fuzzy.sh437
1 files changed, 437 insertions, 0 deletions
diff --git a/t/t8014-blame-ignore-fuzzy.sh b/t/t8014-blame-ignore-fuzzy.sh
new file mode 100755
index 0000000000..6e61882b6f
--- /dev/null
+++ b/t/t8014-blame-ignore-fuzzy.sh
@@ -0,0 +1,437 @@
+#!/bin/sh
+
+test_description='git blame ignore fuzzy heuristic'
+. ./test-lib.sh
+
+pick_author='s/^[0-9a-f^]* *(\([^ ]*\) .*/\1/'
+
+# Each test is composed of 4 variables:
+# titleN - the test name
+# aN - the initial content
+# bN - the final content
+# expectedN - the line numbers from aN that we expect git blame
+# on bN to identify, or "Final" if bN itself should
+# be identified as the origin of that line.
+
+# We start at test 2 because setup will show as test 1
+title2="Regression test for partially overlapping search ranges"
+cat <<EOF >a2
+1
+2
+3
+abcdef
+5
+6
+7
+ijkl
+9
+10
+11
+pqrs
+13
+14
+15
+wxyz
+17
+18
+19
+EOF
+cat <<EOF >b2
+abcde
+ijk
+pqr
+wxy
+EOF
+cat <<EOF >expected2
+4
+8
+12
+16
+EOF
+
+title3="Combine 3 lines into 2"
+cat <<EOF >a3
+if ((maxgrow==0) ||
+ ( single_line_field && (field->dcols < maxgrow)) ||
+ (!single_line_field && (field->drows < maxgrow)))
+EOF
+cat <<EOF >b3
+if ((maxgrow == 0) || (single_line_field && (field->dcols < maxgrow)) ||
+ (!single_line_field && (field->drows < maxgrow))) {
+EOF
+cat <<EOF >expected3
+2
+3
+EOF
+
+title4="Add curly brackets"
+cat <<EOF >a4
+ if (rows) *rows = field->rows;
+ if (cols) *cols = field->cols;
+ if (frow) *frow = field->frow;
+ if (fcol) *fcol = field->fcol;
+EOF
+cat <<EOF >b4
+ if (rows) {
+ *rows = field->rows;
+ }
+ if (cols) {
+ *cols = field->cols;
+ }
+ if (frow) {
+ *frow = field->frow;
+ }
+ if (fcol) {
+ *fcol = field->fcol;
+ }
+EOF
+cat <<EOF >expected4
+1
+1
+Final
+2
+2
+Final
+3
+3
+Final
+4
+4
+Final
+EOF
+
+
+title5="Combine many lines and change case"
+cat <<EOF >a5
+for(row=0,pBuffer=field->buf;
+ row<height;
+ row++,pBuffer+=width )
+{
+ if ((len = (int)( After_End_Of_Data( pBuffer, width ) - pBuffer )) > 0)
+ {
+ wmove( win, row, 0 );
+ waddnstr( win, pBuffer, len );
+EOF
+cat <<EOF >b5
+for (Row = 0, PBuffer = field->buf; Row < Height; Row++, PBuffer += Width) {
+ if ((Len = (int)(afterEndOfData(PBuffer, Width) - PBuffer)) > 0) {
+ wmove(win, Row, 0);
+ waddnstr(win, PBuffer, Len);
+EOF
+cat <<EOF >expected5
+1
+5
+7
+8
+EOF
+
+title6="Rename and combine lines"
+cat <<EOF >a6
+bool need_visual_update = ((form != (FORM *)0) &&
+ (form->status & _POSTED) &&
+ (form->current==field));
+
+if (need_visual_update)
+ Synchronize_Buffer(form);
+
+if (single_line_field)
+{
+ growth = field->cols * amount;
+ if (field->maxgrow)
+ growth = Minimum(field->maxgrow - field->dcols,growth);
+ field->dcols += growth;
+ if (field->dcols == field->maxgrow)
+EOF
+cat <<EOF >b6
+bool NeedVisualUpdate = ((Form != (FORM *)0) && (Form->status & _POSTED) &&
+ (Form->current == field));
+
+if (NeedVisualUpdate) {
+ synchronizeBuffer(Form);
+}
+
+if (SingleLineField) {
+ Growth = field->cols * amount;
+ if (field->maxgrow) {
+ Growth = Minimum(field->maxgrow - field->dcols, Growth);
+ }
+ field->dcols += Growth;
+ if (field->dcols == field->maxgrow) {
+EOF
+cat <<EOF >expected6
+1
+3
+4
+5
+6
+Final
+7
+8
+10
+11
+12
+Final
+13
+14
+EOF
+
+# Both lines match identically so position must be used to tie-break.
+title7="Same line twice"
+cat <<EOF >a7
+abc
+abc
+EOF
+cat <<EOF >b7
+abcd
+abcd
+EOF
+cat <<EOF >expected7
+1
+2
+EOF
+
+title8="Enforce line order"
+cat <<EOF >a8
+abcdef
+ghijkl
+ab
+EOF
+cat <<EOF >b8
+ghijk
+abcd
+EOF
+cat <<EOF >expected8
+2
+3
+EOF
+
+title9="Expand lines and rename variables"
+cat <<EOF >a9
+int myFunction(int ArgumentOne, Thing *ArgTwo, Blah XuglyBug) {
+ Squiggle FabulousResult = squargle(ArgumentOne, *ArgTwo,
+ XuglyBug) + EwwwGlobalWithAReallyLongNameYepTooLong;
+ return FabulousResult * 42;
+}
+EOF
+cat <<EOF >b9
+int myFunction(int argument_one, Thing *arg_asdfgh,
+ Blah xugly_bug) {
+ Squiggle fabulous_result = squargle(argument_one,
+ *arg_asdfgh, xugly_bug)
+ + g_ewww_global_with_a_really_long_name_yep_too_long;
+ return fabulous_result * 42;
+}
+EOF
+cat <<EOF >expected9
+1
+1
+2
+3
+3
+4
+5
+EOF
+
+title10="Two close matches versus one less close match"
+cat <<EOF >a10
+abcdef
+abcdef
+ghijkl
+EOF
+cat <<EOF >b10
+gh
+abcdefx
+EOF
+cat <<EOF >expected10
+Final
+2
+EOF
+
+# The first line of b matches best with the last line of a, but the overall
+# match is better if we match it with the the first line of a.
+title11="Piggy in the middle"
+cat <<EOF >a11
+abcdefg
+ijklmn
+abcdefgh
+EOF
+cat <<EOF >b11
+abcdefghx
+ijklm
+EOF
+cat <<EOF >expected11
+1
+2
+EOF
+
+title12="No trailing newline"
+printf "abc\ndef" >a12
+printf "abx\nstu" >b12
+cat <<EOF >expected12
+1
+Final
+EOF
+
+title13="Reorder includes"
+cat <<EOF >a13
+#include "c.h"
+#include "b.h"
+#include "a.h"
+#include "e.h"
+#include "d.h"
+EOF
+cat <<EOF >b13
+#include "a.h"
+#include "b.h"
+#include "c.h"
+#include "d.h"
+#include "e.h"
+EOF
+cat <<EOF >expected13
+3
+2
+1
+5
+4
+EOF
+
+last_test=13
+
+test_expect_success setup '
+ for i in $(test_seq 2 $last_test)
+ do
+ # Append each line in a separate commit to make it easy to
+ # check which original line the blame output relates to.
+
+ line_count=0 &&
+ while IFS= read line
+ do
+ line_count=$((line_count+1)) &&
+ echo "$line" >>"$i" &&
+ git add "$i" &&
+ test_tick &&
+ GIT_AUTHOR_NAME="$line_count" git commit -m "$line_count"
+ done <"a$i"
+ done &&
+
+ for i in $(test_seq 2 $last_test)
+ do
+ # Overwrite the files with the final content.
+ cp b$i $i &&
+ git add $i
+ done &&
+ test_tick &&
+
+ # Commit the final content all at once so it can all be
+ # referred to with the same commit ID.
+ GIT_AUTHOR_NAME=Final git commit -m Final &&
+
+ IGNOREME=$(git rev-parse HEAD)
+'
+
+for i in $(test_seq 2 $last_test); do
+ eval title="\$title$i"
+ test_expect_success "$title" \
+ "git blame -M9 --ignore-rev $IGNOREME $i >output &&
+ sed -e \"$pick_author\" output >actual &&
+ test_cmp expected$i actual"
+done
+
+# This invoked a null pointer dereference when the chunk callback was called
+# with a zero length parent chunk and there were no more suspects.
+test_expect_success 'Diff chunks with no suspects' '
+ test_write_lines xy1 A B C xy1 >file &&
+ git add file &&
+ test_tick &&
+ GIT_AUTHOR_NAME=1 git commit -m 1 &&
+
+ test_write_lines xy2 A B xy2 C xy2 >file &&
+ git add file &&
+ test_tick &&
+ GIT_AUTHOR_NAME=2 git commit -m 2 &&
+ REV_2=$(git rev-parse HEAD) &&
+
+ test_write_lines xy3 A >file &&
+ git add file &&
+ test_tick &&
+ GIT_AUTHOR_NAME=3 git commit -m 3 &&
+ REV_3=$(git rev-parse HEAD) &&
+
+ test_write_lines 1 1 >expected &&
+
+ git blame --ignore-rev $REV_2 --ignore-rev $REV_3 file >output &&
+ sed -e "$pick_author" output >actual &&
+
+ test_cmp expected actual
+ '
+
+test_expect_success 'position matching' '
+ test_write_lines abc def >file2 &&
+ git add file2 &&
+ test_tick &&
+ GIT_AUTHOR_NAME=1 git commit -m 1 &&
+
+ test_write_lines abc def abc def >file2 &&
+ git add file2 &&
+ test_tick &&
+ GIT_AUTHOR_NAME=2 git commit -m 2 &&
+
+ test_write_lines abcx defx abcx defx >file2 &&
+ git add file2 &&
+ test_tick &&
+ GIT_AUTHOR_NAME=3 git commit -m 3 &&
+ REV_3=$(git rev-parse HEAD) &&
+
+ test_write_lines abcy defy abcx defx >file2 &&
+ git add file2 &&
+ test_tick &&
+ GIT_AUTHOR_NAME=4 git commit -m 4 &&
+ REV_4=$(git rev-parse HEAD) &&
+
+ test_write_lines 1 1 2 2 >expected &&
+
+ git blame --ignore-rev $REV_3 --ignore-rev $REV_4 file2 >output &&
+ sed -e "$pick_author" output >actual &&
+
+ test_cmp expected actual
+ '
+
+# This fails if each blame entry is processed independently instead of
+# processing each diff change in full.
+test_expect_success 'preserve order' '
+ test_write_lines bcde >file3 &&
+ git add file3 &&
+ test_tick &&
+ GIT_AUTHOR_NAME=1 git commit -m 1 &&
+
+ test_write_lines bcde fghij >file3 &&
+ git add file3 &&
+ test_tick &&
+ GIT_AUTHOR_NAME=2 git commit -m 2 &&
+
+ test_write_lines bcde fghij abcd >file3 &&
+ git add file3 &&
+ test_tick &&
+ GIT_AUTHOR_NAME=3 git commit -m 3 &&
+
+ test_write_lines abcdx fghijx bcdex >file3 &&
+ git add file3 &&
+ test_tick &&
+ GIT_AUTHOR_NAME=4 git commit -m 4 &&
+ REV_4=$(git rev-parse HEAD) &&
+
+ test_write_lines abcdx fghijy bcdex >file3 &&
+ git add file3 &&
+ test_tick &&
+ GIT_AUTHOR_NAME=5 git commit -m 5 &&
+ REV_5=$(git rev-parse HEAD) &&
+
+ test_write_lines 1 2 3 >expected &&
+
+ git blame --ignore-rev $REV_4 --ignore-rev $REV_5 file3 >output &&
+ sed -e "$pick_author" output >actual &&
+
+ test_cmp expected actual
+ '
+
+test_done
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 21:44:47 +0000