diff options
Diffstat (limited to 't/t6016-rev-list-graph-simplify-history.sh')
| -rwxr-xr-x | t/t6016-rev-list-graph-simplify-history.sh | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/t/t6016-rev-list-graph-simplify-history.sh b/t/t6016-rev-list-graph-simplify-history.sh new file mode 100755 index 0000000..54b0a6f --- /dev/null +++ b/t/t6016-rev-list-graph-simplify-history.sh @@ -0,0 +1,246 @@ +#!/bin/sh + +# There's more than one "correct" way to represent the history graphically. +# These tests depend on the current behavior of the graphing code. If the +# graphing code is ever changed to draw the output differently, these tests +# cases will need to be updated to know about the new layout. + +test_description='--graph and simplified history' + +GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main +export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME + +. ./test-lib.sh +. "$TEST_DIRECTORY"/lib-log-graph.sh + +check_graph () { + cat >expect && + lib_test_cmp_graph --format=%s "$@" +} + +test_expect_success 'set up rev-list --graph test' ' + # 3 commits on branch A + test_commit A1 foo.txt && + test_commit A2 bar.txt && + test_commit A3 bar.txt && + git branch -m main A && + + # 2 commits on branch B, started from A1 + git checkout -b B A1 && + test_commit B1 foo.txt && + test_commit B2 abc.txt && + + # 2 commits on branch C, started from A2 + git checkout -b C A2 && + test_commit C1 xyz.txt && + test_commit C2 xyz.txt && + + # Octopus merge B and C into branch A + git checkout A && + git merge B C -m A4 && + git tag A4 && + + test_commit A5 bar.txt && + + # More commits on C, then merge C into A + git checkout C && + test_commit C3 foo.txt && + test_commit C4 bar.txt && + git checkout A && + git merge -s ours C -m A6 && + git tag A6 && + + test_commit A7 bar.txt +' + +test_expect_success '--graph --all' ' + check_graph --all <<-\EOF + * A7 + * A6 + |\ + | * C4 + | * C3 + * | A5 + | | + | \ + *-. | A4 + |\ \| + | | * C2 + | | * C1 + | * | B2 + | * | B1 + * | | A3 + | |/ + |/| + * | A2 + |/ + * A1 + EOF +' + +# Make sure the graph_is_interesting() code still realizes +# that undecorated merges are interesting, even with --simplify-by-decoration +test_expect_success '--graph --simplify-by-decoration' ' + git tag -d A4 && + check_graph --all --simplify-by-decoration <<-\EOF + * A7 + * A6 + |\ + | * C4 + | * C3 + * | A5 + | | + | \ + *-. | A4 + |\ \| + | | * C2 + | | * C1 + | * | B2 + | * | B1 + * | | A3 + | |/ + |/| + * | A2 + |/ + * A1 + EOF +' + +test_expect_success 'setup: get rid of decorations on B' ' + git tag -d B2 && + git tag -d B1 && + git branch -d B +' + +# Graph with branch B simplified away +test_expect_success '--graph --simplify-by-decoration prune branch B' ' + check_graph --simplify-by-decoration --all <<-\EOF + * A7 + * A6 + |\ + | * C4 + | * C3 + * | A5 + * | A4 + |\| + | * C2 + | * C1 + * | A3 + |/ + * A2 + * A1 + EOF +' + +test_expect_success '--graph --full-history -- bar.txt' ' + check_graph --full-history --all -- bar.txt <<-\EOF + * A7 + * A6 + |\ + | * C4 + * | A5 + * | A4 + |\| + * | A3 + |/ + * A2 + EOF +' + +test_expect_success '--graph --full-history --simplify-merges -- bar.txt' ' + check_graph --full-history --simplify-merges --all -- bar.txt <<-\EOF + * A7 + * A6 + |\ + | * C4 + * | A5 + * | A3 + |/ + * A2 + EOF +' + +test_expect_success '--graph -- bar.txt' ' + check_graph --all -- bar.txt <<-\EOF + * A7 + * A5 + * A3 + | * C4 + |/ + * A2 + EOF +' + +test_expect_success '--graph --sparse -- bar.txt' ' + check_graph --sparse --all -- bar.txt <<-\EOF + * A7 + * A6 + * A5 + * A4 + * A3 + | * C4 + | * C3 + | * C2 + | * C1 + |/ + * A2 + * A1 + EOF +' + +test_expect_success '--graph ^C4' ' + check_graph --all ^C4 <<-\EOF + * A7 + * A6 + * A5 + * A4 + |\ + | * B2 + | * B1 + * A3 + EOF +' + +test_expect_success '--graph ^C3' ' + check_graph --all ^C3 <<-\EOF + * A7 + * A6 + |\ + | * C4 + * A5 + * A4 + |\ + | * B2 + | * B1 + * A3 + EOF +' + +# I don't think the ordering of the boundary commits is really +# that important, but this test depends on it. If the ordering ever changes +# in the code, we'll need to update this test. +test_expect_success '--graph --boundary ^C3' ' + check_graph --boundary --all ^C3 <<-\EOF + * A7 + * A6 + |\ + | * C4 + * | A5 + | | + | \ + *-. \ A4 + |\ \ \ + | * | | B2 + | * | | B1 + * | | | A3 + o | | | A2 + |/ / / + o / / A1 + / / + | o C3 + |/ + o C2 + EOF +' + +test_done |