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[RFC PATCH 13/18] t5318-midx.h: confirm git actions are stable




Perform some basic read-only operations that load objects and find
abbreviations. As this functionality begins to reference MIDX files,
ensure the output matches when using MIDX files and when not using them.

Signed-off-by: Derrick Stolee <dstolee@xxxxxxxxxxxxx>
---
 t/t5318-midx.sh | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/t/t5318-midx.sh b/t/t5318-midx.sh
index 42d103c879..00be852ed3 100755
--- a/t/t5318-midx.sh
+++ b/t/t5318-midx.sh
@@ -37,6 +37,19 @@ _midx_read_expect() {
 	EOF
 }
 
+_midx_git_two_modes() {
+	git -c core.midx=true $1 >output
+	git -c core.midx=false $1 >expect
+}
+
+_midx_git_behavior() {
+	test_expect_success 'check normal git operations' \
+	    '_midx_git_two_modes "log --patch master" &&
+	     cmp output expect &&
+	     _midx_git_two_modes "rev-list --all --objects" &&
+	     cmp output expect'
+}
+
 test_expect_success 'write-midx from index version 1' \
     'pack1=$(git rev-list --all --objects | git pack-objects --index-version=1 ${packdir}/test-1) &&
      midx1=$(git midx --write) &&
@@ -48,6 +61,8 @@ test_expect_success 'write-midx from index version 1' \
      git midx --read --midx-id=${midx1} >output &&
      cmp output expect'
 
+_midx_git_behavior
+
 test_expect_success 'write-midx from index version 2' \
     'rm "${packdir}/test-1-${pack1}.pack" &&
      pack2=$(git rev-list --all --objects | git pack-objects --index-version=2 ${packdir}/test-2) &&
@@ -61,6 +76,8 @@ test_expect_success 'write-midx from index version 2' \
      git midx --read> output &&
      cmp output expect'
 
+_midx_git_behavior
+
 test_expect_success 'Create more objects' \
     'for i in $(test_seq 100)
      do
@@ -71,6 +88,8 @@ test_expect_success 'Create more objects' \
      git commit -m "test data 2" &&
      git branch commit2 HEAD'
 
+_midx_git_behavior
+
 test_expect_success 'write-midx with two packs' \
     'pack3=$(git rev-list --objects commit2 ^commit1 | git pack-objects --index-version=2 ${packdir}/test-3) &&
      midx3=$(git midx --write --update-head) &&
@@ -84,6 +103,8 @@ test_expect_success 'write-midx with two packs' \
      git midx --read >output &&
      cmp output expect'
 
+_midx_git_behavior
+
 test_expect_success 'Add more packs' \
     'for i in $(test_seq 10)
      do
@@ -107,6 +128,8 @@ test_expect_success 'Add more packs' \
          git pack-objects --index-version=2 ${packdir}/test-pack <obj-list
      done'
 
+_midx_git_behavior
+
 test_expect_success 'write-midx with twelve packs' \
     'midx4=$(git midx --write --update-head --delete-expired) &&
      test_path_is_file ${packdir}/midx-${midx4}.midx &&
@@ -120,6 +143,8 @@ test_expect_success 'write-midx with twelve packs' \
      git midx --read >output &&
      cmp output expect'
 
+_midx_git_behavior
+
 test_expect_success 'write-midx with no new packs' \
     'midx5=$(git midx --write --update-head --delete-expired) &&
      test_path_is_file ${packdir}/midx-${midx5}.midx &&
@@ -127,6 +152,8 @@ test_expect_success 'write-midx with no new packs' \
      test_path_is_file ${packdir}/midx-head &&
      test $(cat ${packdir}/midx-head) = "$midx4"'
 
+_midx_git_behavior
+
 test_expect_success 'create bare repo' \
     'cd .. &&
      git clone --bare full bare &&
@@ -146,6 +173,8 @@ test_expect_success 'write-midx in bare repo' \
      git midx --read >output &&
      cmp output expect'
 
+_midx_git_behavior
+
 test_expect_success 'midx --clear' \
     'git midx --clear &&
      test_path_is_missing "${baredir}/midx-${midx4}.midx" &&
@@ -155,4 +184,6 @@ test_expect_success 'midx --clear' \
      test_path_is_missing "${packdir}/midx-${midx4}.midx" &&
      test_path_is_missing "${packdir}/midx-head"'
 
+_midx_git_behavior
+
 test_done
-- 
2.15.0