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-rwxr-xr-xt/t1307-config-blob.sh70
1 files changed, 70 insertions, 0 deletions
diff --git a/t/t1307-config-blob.sh b/t/t1307-config-blob.sh
new file mode 100755
index 0000000000..fdc257e66f
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+++ b/t/t1307-config-blob.sh
@@ -0,0 +1,70 @@
+#!/bin/sh
+
+test_description='support for reading config from a blob'
+. ./test-lib.sh
+
+test_expect_success 'create config blob' '
+ cat >config <<-\EOF &&
+ [some]
+ value = 1
+ EOF
+ git add config &&
+ git commit -m foo
+'
+
+test_expect_success 'list config blob contents' '
+ echo some.value=1 >expect &&
+ git config --blob=HEAD:config --list >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'fetch value from blob' '
+ echo true >expect &&
+ git config --blob=HEAD:config --bool some.value >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'reading non-existing value from blob is an error' '
+ test_must_fail git config --blob=HEAD:config non.existing
+'
+
+test_expect_success 'reading from blob and file is an error' '
+ test_must_fail git config --blob=HEAD:config --system --list
+'
+
+test_expect_success 'reading from missing ref is an error' '
+ test_must_fail git config --blob=HEAD:doesnotexist --list
+'
+
+test_expect_success 'reading from non-blob is an error' '
+ test_must_fail git config --blob=HEAD --list
+'
+
+test_expect_success 'setting a value in a blob is an error' '
+ test_must_fail git config --blob=HEAD:config some.value foo
+'
+
+test_expect_success 'deleting a value in a blob is an error' '
+ test_must_fail git config --blob=HEAD:config --unset some.value
+'
+
+test_expect_success 'editing a blob is an error' '
+ test_must_fail git config --blob=HEAD:config --edit
+'
+
+test_expect_success 'parse errors in blobs are properly attributed' '
+ cat >config <<-\EOF &&
+ [some]
+ value = "
+ EOF
+ git add config &&
+ git commit -m broken &&
+
+ test_must_fail git config --blob=HEAD:config some.value 2>err &&
+
+ # just grep for our token as the exact error message is likely to
+ # change or be internationalized
+ grep "HEAD:config" err
+'
+
+test_done