diff options
| -rwxr-xr-x | t/t6016-rev-list-graph-simplify-history.sh | 276 |
1 files changed, 276 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 0000000000..27fd52b7be --- /dev/null +++ b/t/t6016-rev-list-graph-simplify-history.sh @@ -0,0 +1,276 @@ +#!/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' + +. ./test-lib.sh + +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 master 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 && + 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 && + git tag A6 + + test_commit A7 bar.txt && + + # Store commit names in variables for later use + A1=$(git rev-parse --verify A1) && + A2=$(git rev-parse --verify A2) && + A3=$(git rev-parse --verify A3) && + A4=$(git rev-parse --verify A4) && + A5=$(git rev-parse --verify A5) && + A6=$(git rev-parse --verify A6) && + A7=$(git rev-parse --verify A7) && + B1=$(git rev-parse --verify B1) && + B2=$(git rev-parse --verify B2) && + C1=$(git rev-parse --verify C1) && + C2=$(git rev-parse --verify C2) && + C3=$(git rev-parse --verify C3) && + C4=$(git rev-parse --verify C4) + ' + +test_expect_success '--graph --all' ' + rm -f expected && + echo "* $A7" >> expected && + echo "* $A6" >> expected && + echo "|\\ " >> expected && + echo "| * $C4" >> expected && + echo "| * $C3" >> expected && + echo "* | $A5" >> expected && + echo "| | " >> expected && + echo "| \\ " >> expected && + echo "*-. \\ $A4" >> expected && + echo "|\\ \\ \\ " >> expected && + echo "| | |/ " >> expected && + echo "| | * $C2" >> expected && + echo "| | * $C1" >> expected && + echo "| * | $B2" >> expected && + echo "| * | $B1" >> expected && + echo "* | | $A3" >> expected && + echo "| |/ " >> expected && + echo "|/| " >> expected && + echo "* | $A2" >> expected && + echo "|/ " >> expected && + echo "* $A1" >> expected && + git rev-list --graph --all > actual && + test_cmp expected actual + ' + +# 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' ' + rm -f expected && + git tag -d A4 + echo "* $A7" >> expected && + echo "* $A6" >> expected && + echo "|\\ " >> expected && + echo "| * $C4" >> expected && + echo "| * $C3" >> expected && + echo "* | $A5" >> expected && + echo "| | " >> expected && + echo "| \\ " >> expected && + echo "*-. \\ $A4" >> expected && + echo "|\\ \\ \\ " >> expected && + echo "| | |/ " >> expected && + echo "| | * $C2" >> expected && + echo "| | * $C1" >> expected && + echo "| * | $B2" >> expected && + echo "| * | $B1" >> expected && + echo "* | | $A3" >> expected && + echo "| |/ " >> expected && + echo "|/| " >> expected && + echo "* | $A2" >> expected && + echo "|/ " >> expected && + echo "* $A1" >> expected && + git rev-list --graph --all --simplify-by-decoration > actual && + test_cmp expected actual + ' + +# Get rid of all decorations on branch B, and graph with it simplified away +test_expect_success '--graph --simplify-by-decoration prune branch B' ' + rm -f expected && + git tag -d B2 + git tag -d B1 + git branch -d B + echo "* $A7" >> expected && + echo "* $A6" >> expected && + echo "|\\ " >> expected && + echo "| * $C4" >> expected && + echo "| * $C3" >> expected && + echo "* | $A5" >> expected && + echo "* | $A4" >> expected && + echo "|\\ \\ " >> expected && + echo "| |/ " >> expected && + echo "| * $C2" >> expected && + echo "| * $C1" >> expected && + echo "* | $A3" >> expected && + echo "|/ " >> expected && + echo "* $A2" >> expected && + echo "* $A1" >> expected && + git rev-list --graph --simplify-by-decoration --all > actual && + test_cmp expected actual + ' + +test_expect_success '--graph --full-history -- bar.txt' ' + rm -f expected && + git tag -d B2 + git tag -d B1 + git branch -d B + echo "* $A7" >> expected && + echo "* $A6" >> expected && + echo "|\\ " >> expected && + echo "| * $C4" >> expected && + echo "* | $A5" >> expected && + echo "* | $A4" >> expected && + echo "|\\ \\ " >> expected && + echo "| |/ " >> expected && + echo "* | $A3" >> expected && + echo "|/ " >> expected && + echo "* $A2" >> expected && + git rev-list --graph --full-history --all -- bar.txt > actual && + test_cmp expected actual + ' + +test_expect_success '--graph --full-history --simplify-merges -- bar.txt' ' + rm -f expected && + git tag -d B2 + git tag -d B1 + git branch -d B + echo "* $A7" >> expected && + echo "* $A6" >> expected && + echo "|\\ " >> expected && + echo "| * $C4" >> expected && + echo "* | $A5" >> expected && + echo "* | $A3" >> expected && + echo "|/ " >> expected && + echo "* $A2" >> expected && + git rev-list --graph --full-history --simplify-merges --all \ + -- bar.txt > actual && + test_cmp expected actual + ' + +test_expect_success '--graph -- bar.txt' ' + rm -f expected && + git tag -d B2 + git tag -d B1 + git branch -d B + echo "* $A7" >> expected && + echo "* $A5" >> expected && + echo "* $A3" >> expected && + echo "| * $C4" >> expected && + echo "|/ " >> expected && + echo "* $A2" >> expected && + git rev-list --graph --all -- bar.txt > actual && + test_cmp expected actual + ' + +test_expect_success '--graph --sparse -- bar.txt' ' + rm -f expected && + git tag -d B2 + git tag -d B1 + git branch -d B + echo "* $A7" >> expected && + echo "* $A6" >> expected && + echo "* $A5" >> expected && + echo "* $A4" >> expected && + echo "* $A3" >> expected && + echo "| * $C4" >> expected && + echo "| * $C3" >> expected && + echo "| * $C2" >> expected && + echo "| * $C1" >> expected && + echo "|/ " >> expected && + echo "* $A2" >> expected && + echo "* $A1" >> expected && + git rev-list --graph --sparse --all -- bar.txt > actual && + test_cmp expected actual + ' + +test_expect_success '--graph ^C4' ' + rm -f expected && + echo "* $A7" >> expected && + echo "* $A6" >> expected && + echo "* $A5" >> expected && + echo "* $A4" >> expected && + echo "|\\ " >> expected && + echo "| * $B2" >> expected && + echo "| * $B1" >> expected && + echo "* $A3" >> expected && + git rev-list --graph --all ^C4 > actual && + test_cmp expected actual + ' + +test_expect_success '--graph ^C3' ' + rm -f expected && + echo "* $A7" >> expected && + echo "* $A6" >> expected && + echo "|\\ " >> expected && + echo "| * $C4" >> expected && + echo "* $A5" >> expected && + echo "* $A4" >> expected && + echo "|\\ " >> expected && + echo "| * $B2" >> expected && + echo "| * $B1" >> expected && + echo "* $A3" >> expected && + git rev-list --graph --all ^C3 > actual && + test_cmp expected actual + ' + +# 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' ' + rm -f expected && + echo "* $A7" >> expected && + echo "* $A6" >> expected && + echo "|\\ " >> expected && + echo "| * $C4" >> expected && + echo "* | $A5" >> expected && + echo "| | " >> expected && + echo "| \\ " >> expected && + echo "*-. \\ $A4" >> expected && + echo "|\\ \\ \\ " >> expected && + echo "| * | | $B2" >> expected && + echo "| * | | $B1" >> expected && + echo "* | | | $A3" >> expected && + echo "o | | | $A2" >> expected && + echo "|/ / / " >> expected && + echo "o | | $A1" >> expected && + echo " / / " >> expected && + echo "| o $C3" >> expected && + echo "|/ " >> expected && + echo "o $C2" >> expected && + git rev-list --graph --boundary --all ^C3 > actual && + test_cmp expected actual + ' + +test_done |