These tests verify the correct behavior of "git rev-parse --abbrev-ref"
in both "strict" and "loose" modes. Really, it tests the correct behavior
of refs.c:shorten_unambiguous_ref() with its 'strict' argument set to
either true of false.
Signed-off-by: Johan Herland <jo...@herland.net>
---
t/t1514-rev-parse-shorten_unambiguous_ref.sh | 75 ++++++++++++++++++++++++++++
1 file changed, 75 insertions(+)
create mode 100755 t/t1514-rev-parse-shorten_unambiguous_ref.sh
diff --git a/t/t1514-rev-parse-shorten_unambiguous_ref.sh
b/t/t1514-rev-parse-shorten_unambiguous_ref.sh
new file mode 100755
index 0000000..41e0162
--- /dev/null
+++ b/t/t1514-rev-parse-shorten_unambiguous_ref.sh
@@ -0,0 +1,75 @@
+#!/bin/sh
+
+test_description='short refname disambiguation
+
+Create refs that share the same name, and make sure
+"git rev-parse --abbrev-ref" can present them all with as short a name
+as possible, while still being unambiguous.
+'
+
+. ./test-lib.sh
+
+test_expect_success 'setup' '
+ test_commit master_a &&
+ git remote add origin . &&
+ git fetch origin &&
+ test_commit master_b &&
+ git branch origin/master &&
+ test_commit master_c &&
+ git tag master &&
+ test_commit master_d &&
+ git update-ref refs/master master_d &&
+ test_commit master_e
+ test_commit master_f
+'
+
+cat > expect.show-ref << EOF
+$(git rev-parse master_f) refs/heads/master
+$(git rev-parse master_b) refs/heads/origin/master
+$(git rev-parse master_d) refs/master
+$(git rev-parse master_a) refs/remotes/origin/master
+$(git rev-parse master_c) refs/tags/master
+$(git rev-parse master_a) refs/tags/master_a
+$(git rev-parse master_b) refs/tags/master_b
+$(git rev-parse master_c) refs/tags/master_c
+$(git rev-parse master_d) refs/tags/master_d
+$(git rev-parse master_e) refs/tags/master_e
+$(git rev-parse master_f) refs/tags/master_f
+EOF
+
+test_expect_success 'we have the expected ref layout' '
+ git show-ref > actual.show-ref &&
+ test_cmp expect.show-ref actual.show-ref
+'
+
+test_shortname () {
+ refname=$1
+ mode=$2
+ expect_shortname=$3
+ expect_tag=$4
+ echo "$expect_shortname" > expect.shortname &&
+ actual_shortname="$(git rev-parse --abbrev-ref="$mode" "$refname")" &&
+ echo "$actual_shortname" > actual.shortname &&
+ test_cmp expect.shortname actual.shortname &&
+ git rev-parse --verify "$expect_tag" > expect.sha1 &&
+ git rev-parse --verify "$actual_shortname" > actual.sha1 &&
+ test_cmp expect.sha1 actual.sha1
+}
+
+test_expect_success 'shortening refnames in strict mode' '
+ test_shortname refs/heads/master strict heads/master master_f &&
+ test_shortname refs/heads/origin/master strict heads/origin/master
master_b &&
+ test_shortname refs/master strict refs/master master_d &&
+ test_shortname refs/remotes/origin/master strict remotes/origin/master
master_a &&
+ test_shortname refs/tags/master strict tags/master master_c
+'
+
+test_expect_success 'shortening refnames in loose mode' '
+ test_shortname refs/heads/master loose heads/master master_f &&
+ test_shortname refs/heads/origin/master loose origin/master master_b &&
+ test_shortname refs/master loose master master_d &&
+ test_shortname refs/remotes/origin/master loose remotes/origin/master
master_a &&
+ test_shortname refs/tags/master loose tags/master master_c
+'
+
+test_done
--
1.8.1.3.704.g33f7d4f
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