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blame: add a test to cover blame_coalesce()
Signed-off-by: Barret Rhoden <brho@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -275,4 +275,40 @@ test_expect_success 'blame file with CRLF core.autocrlf=true' '
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grep "A U Thor" actual
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'
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# Tests the splitting and merging of blame entries in blame_coalesce().
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# The output of blame is the same, regardless of whether blame_coalesce() runs
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# or not, so we'd likely only notice a problem if blame crashes or assigned
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# blame to the "splitting" commit ('SPLIT' below).
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test_expect_success 'blame coalesce' '
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cat >giraffe <<-\EOF &&
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ABC
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DEF
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EOF
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git add giraffe &&
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git commit -m "original file" &&
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oid=$(git rev-parse HEAD) &&
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cat >giraffe <<-\EOF &&
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ABC
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SPLIT
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DEF
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EOF
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git add giraffe &&
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git commit -m "interior SPLIT line" &&
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cat >giraffe <<-\EOF &&
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ABC
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DEF
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EOF
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git add giraffe &&
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git commit -m "same contents as original" &&
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cat >expect <<-EOF &&
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$oid 1) ABC
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$oid 2) DEF
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EOF
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git -c core.abbrev=40 blame -s giraffe >actual &&
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test_cmp expect actual
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'
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test_done
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