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Diffstat (limited to 't/t4215-log-skewed-merges.sh')
| -rwxr-xr-x | t/t4215-log-skewed-merges.sh | 373 |
1 files changed, 373 insertions, 0 deletions
diff --git a/t/t4215-log-skewed-merges.sh b/t/t4215-log-skewed-merges.sh new file mode 100755 index 0000000000..28d0779a8c --- /dev/null +++ b/t/t4215-log-skewed-merges.sh @@ -0,0 +1,373 @@ +#!/bin/sh + +test_description='git log --graph of skewed merges' + +. ./test-lib.sh +. "$TEST_DIRECTORY"/lib-log-graph.sh + +check_graph () { + cat >expect && + lib_test_cmp_graph --format=%s "$@" +} + +test_expect_success 'log --graph with merge fusing with its left and right neighbors' ' + git checkout --orphan _p && + test_commit A && + test_commit B && + git checkout -b _q @^ && test_commit C && + git checkout -b _r @^ && test_commit D && + git checkout _p && git merge --no-ff _q _r -m E && + git checkout _r && test_commit F && + git checkout _p && git merge --no-ff _r -m G && + git checkout @^^ && git merge --no-ff _p -m H && + + check_graph <<-\EOF + * H + |\ + | * G + | |\ + | | * F + | * | E + |/|\| + | | * D + | * | C + | |/ + * / B + |/ + * A + EOF +' + +test_expect_success 'log --graph with left-skewed merge' ' + git checkout --orphan 0_p && test_commit 0_A && + git checkout -b 0_q 0_p && test_commit 0_B && + git checkout -b 0_r 0_p && + test_commit 0_C && + test_commit 0_D && + git checkout -b 0_s 0_p && test_commit 0_E && + git checkout -b 0_t 0_p && git merge --no-ff 0_r^ 0_s -m 0_F && + git checkout 0_p && git merge --no-ff 0_s -m 0_G && + git checkout @^ && git merge --no-ff 0_q 0_r 0_t 0_p -m 0_H && + + check_graph <<-\EOF + *-----. 0_H + |\ \ \ \ + | | | | * 0_G + | |_|_|/| + |/| | | | + | | | * | 0_F + | |_|/|\| + |/| | | | + | | | | * 0_E + | |_|_|/ + |/| | | + | | * | 0_D + | | |/ + | | * 0_C + | |/ + |/| + | * 0_B + |/ + * 0_A + EOF +' + +test_expect_success 'log --graph with nested left-skewed merge' ' + git checkout --orphan 1_p && + test_commit 1_A && + test_commit 1_B && + test_commit 1_C && + git checkout -b 1_q @^ && test_commit 1_D && + git checkout 1_p && git merge --no-ff 1_q -m 1_E && + git checkout -b 1_r @~3 && test_commit 1_F && + git checkout 1_p && git merge --no-ff 1_r -m 1_G && + git checkout @^^ && git merge --no-ff 1_p -m 1_H && + + check_graph <<-\EOF + * 1_H + |\ + | * 1_G + | |\ + | | * 1_F + | * | 1_E + |/| | + | * | 1_D + * | | 1_C + |/ / + * / 1_B + |/ + * 1_A + EOF +' + +test_expect_success 'log --graph with nested left-skewed merge following normal merge' ' + git checkout --orphan 2_p && + test_commit 2_A && + test_commit 2_B && + test_commit 2_C && + git checkout -b 2_q @^^ && + test_commit 2_D && + test_commit 2_E && + git checkout -b 2_r @^ && test_commit 2_F && + git checkout 2_q && + git merge --no-ff 2_r -m 2_G && + git merge --no-ff 2_p^ -m 2_H && + git checkout -b 2_s @^^ && git merge --no-ff 2_q -m 2_J && + git checkout 2_p && git merge --no-ff 2_s -m 2_K && + + check_graph <<-\EOF + * 2_K + |\ + | * 2_J + | |\ + | | * 2_H + | | |\ + | | * | 2_G + | |/| | + | | * | 2_F + | * | | 2_E + | |/ / + | * | 2_D + * | | 2_C + | |/ + |/| + * | 2_B + |/ + * 2_A + EOF +' + +test_expect_success 'log --graph with nested right-skewed merge following left-skewed merge' ' + git checkout --orphan 3_p && + test_commit 3_A && + git checkout -b 3_q && + test_commit 3_B && + test_commit 3_C && + git checkout -b 3_r @^ && + test_commit 3_D && + git checkout 3_q && git merge --no-ff 3_r -m 3_E && + git checkout 3_p && git merge --no-ff 3_q -m 3_F && + git checkout 3_r && test_commit 3_G && + git checkout 3_p && git merge --no-ff 3_r -m 3_H && + git checkout @^^ && git merge --no-ff 3_p -m 3_J && + + check_graph <<-\EOF + * 3_J + |\ + | * 3_H + | |\ + | | * 3_G + | * | 3_F + |/| | + | * | 3_E + | |\| + | | * 3_D + | * | 3_C + | |/ + | * 3_B + |/ + * 3_A + EOF +' + +test_expect_success 'log --graph with right-skewed merge following a left-skewed one' ' + git checkout --orphan 4_p && + test_commit 4_A && + test_commit 4_B && + test_commit 4_C && + git checkout -b 4_q @^^ && test_commit 4_D && + git checkout -b 4_r 4_p^ && git merge --no-ff 4_q -m 4_E && + git checkout -b 4_s 4_p^^ && + git merge --no-ff 4_r -m 4_F && + git merge --no-ff 4_p -m 4_G && + git checkout @^^ && git merge --no-ff 4_s -m 4_H && + + check_graph --date-order <<-\EOF + * 4_H + |\ + | * 4_G + | |\ + | * | 4_F + |/| | + | * | 4_E + | |\ \ + | | * | 4_D + | |/ / + |/| | + | | * 4_C + | |/ + | * 4_B + |/ + * 4_A + EOF +' + +test_expect_success 'log --graph with octopus merge with column joining its penultimate parent' ' + git checkout --orphan 5_p && + test_commit 5_A && + git branch 5_q && + git branch 5_r && + test_commit 5_B && + git checkout 5_q && test_commit 5_C && + git checkout 5_r && test_commit 5_D && + git checkout 5_p && + git merge --no-ff 5_q 5_r -m 5_E && + git checkout 5_q && test_commit 5_F && + git checkout -b 5_s 5_p^ && + git merge --no-ff 5_p 5_q -m 5_G && + git checkout 5_r && + git merge --no-ff 5_s -m 5_H && + + check_graph <<-\EOF + * 5_H + |\ + | *-. 5_G + | |\ \ + | | | * 5_F + | | * | 5_E + | |/|\ \ + | |_|/ / + |/| | / + | | |/ + * | | 5_D + | | * 5_C + | |/ + |/| + | * 5_B + |/ + * 5_A + EOF +' + +test_expect_success 'log --graph with multiple tips' ' + git checkout --orphan 6_1 && + test_commit 6_A && + git branch 6_2 && + git branch 6_4 && + test_commit 6_B && + git branch 6_3 && + test_commit 6_C && + git checkout 6_2 && test_commit 6_D && + git checkout 6_3 && test_commit 6_E && + git checkout -b 6_5 6_1 && + git merge --no-ff 6_2 -m 6_F && + git checkout 6_4 && test_commit 6_G && + git checkout 6_3 && + git merge --no-ff 6_4 -m 6_H && + git checkout 6_1 && + git merge --no-ff 6_2 -m 6_I && + + check_graph 6_1 6_3 6_5 <<-\EOF + * 6_I + |\ + | | * 6_H + | | |\ + | | | * 6_G + | | * | 6_E + | | | | * 6_F + | |_|_|/| + |/| | |/ + | | |/| + | |/| | + | * | | 6_D + | | |/ + | |/| + * | | 6_C + | |/ + |/| + * | 6_B + |/ + * 6_A + EOF +' + +test_expect_success 'log --graph with multiple tips and colors' ' + test_config log.graphColors red,green,yellow,blue,magenta,cyan && + cat >expect.colors <<-\EOF && + * 6_I + <RED>|<RESET><GREEN>\<RESET> + <RED>|<RESET> <GREEN>|<RESET> * 6_H + <RED>|<RESET> <GREEN>|<RESET> <YELLOW>|<RESET><BLUE>\<RESET> + <RED>|<RESET> <GREEN>|<RESET> <YELLOW>|<RESET> * 6_G + <RED>|<RESET> <GREEN>|<RESET> <YELLOW>|<RESET> <BLUE>|<RESET> * 6_F + <RED>|<RESET> <GREEN>|<RESET><RED>_<RESET><YELLOW>|<RESET><RED>_<RESET><BLUE>|<RESET><RED>/<RESET><GREEN>|<RESET> + <RED>|<RESET><RED>/<RESET><GREEN>|<RESET> <YELLOW>|<RESET> <BLUE>|<RESET><GREEN>/<RESET> + <RED>|<RESET> <GREEN>|<RESET> <YELLOW>|<RESET><GREEN>/<RESET><BLUE>|<RESET> + <RED>|<RESET> <GREEN>|<RESET><GREEN>/<RESET><YELLOW>|<RESET> <BLUE>|<RESET> + <RED>|<RESET> <GREEN>|<RESET> * <BLUE>|<RESET> 6_E + <RED>|<RESET> * <CYAN>|<RESET> <BLUE>|<RESET> 6_D + <RED>|<RESET> <BLUE>|<RESET> <CYAN>|<RESET><BLUE>/<RESET> + <RED>|<RESET> <BLUE>|<RESET><BLUE>/<RESET><CYAN>|<RESET> + * <BLUE>|<RESET> <CYAN>|<RESET> 6_C + <CYAN>|<RESET> <BLUE>|<RESET><CYAN>/<RESET> + <CYAN>|<RESET><CYAN>/<RESET><BLUE>|<RESET> + * <BLUE>|<RESET> 6_B + <BLUE>|<RESET><BLUE>/<RESET> + * 6_A + EOF + lib_test_cmp_colored_graph --date-order --pretty=tformat:%s 6_1 6_3 6_5 +' + +test_expect_success 'log --graph with multiple tips' ' + git checkout --orphan 7_1 && + test_commit 7_A && + test_commit 7_B && + test_commit 7_C && + git checkout -b 7_2 7_1~2 && + test_commit 7_D && + test_commit 7_E && + git checkout -b 7_3 7_1~1 && + test_commit 7_F && + test_commit 7_G && + git checkout -b 7_4 7_2~1 && + test_commit 7_H && + git checkout -b 7_5 7_1~2 && + test_commit 7_I && + git checkout -b 7_6 7_3~1 && + test_commit 7_J && + git checkout -b M_1 7_1 && + git merge --no-ff 7_2 -m 7_M1 && + git checkout -b M_3 7_3 && + git merge --no-ff 7_4 -m 7_M2 && + git checkout -b M_5 7_5 && + git merge --no-ff 7_6 -m 7_M3 && + git checkout -b M_7 7_1 && + git merge --no-ff 7_2 7_3 -m 7_M4 && + + check_graph M_1 M_3 M_5 M_7 <<-\EOF + * 7_M1 + |\ + | | * 7_M2 + | | |\ + | | | * 7_H + | | | | * 7_M3 + | | | | |\ + | | | | | * 7_J + | | | | * | 7_I + | | | | | | * 7_M4 + | |_|_|_|_|/|\ + |/| | | | |/ / + | | |_|_|/| / + | |/| | | |/ + | | | |_|/| + | | |/| | | + | | * | | | 7_G + | | | |_|/ + | | |/| | + | | * | | 7_F + | * | | | 7_E + | | |/ / + | |/| | + | * | | 7_D + | | |/ + | |/| + * | | 7_C + | |/ + |/| + * | 7_B + |/ + * 7_A + EOF +' + +test_done |