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git/t/t5750-bundle-uri-parse.sh

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bundle-uri: unit test "key=value" parsing Create a new 'test-tool bundle-uri' test helper. This helper will assist in testing logic deep in the bundle URI feature. This change introduces the 'parse-key-values' subcommand, which parses an input file as a list of lines. These are fed into bundle_uri_parse_line() to test how we construct a 'struct bundle_list' from that data. The list is then output to stdout as if the key-value pairs were a Git config file. We use an input file instead of stdin because of a future change to parse in config-file format that works better as an input file. Co-authored-by: Derrick Stolee <derrickstolee@github.com> Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Derrick Stolee <derrickstolee@github.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-12 12:52:32 +00:00
#!/bin/sh
test_description="Test bundle-uri bundle_uri_parse_line()"
TEST_NO_CREATE_REPO=1
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
test_expect_success 'bundle_uri_parse_line() just URIs' '
cat >in <<-\EOF &&
bundle.one.uri=http://example.com/bundle.bdl
bundle.two.uri=https://example.com/bundle.bdl
bundle.three.uri=file:///usr/share/git/bundle.bdl
EOF
cat >expect <<-\EOF &&
[bundle]
version = 1
mode = all
[bundle "one"]
uri = http://example.com/bundle.bdl
[bundle "two"]
uri = https://example.com/bundle.bdl
[bundle "three"]
uri = file:///usr/share/git/bundle.bdl
EOF
test-tool bundle-uri parse-key-values in >actual 2>err &&
test_must_be_empty err &&
test_cmp_config_output expect actual
'
test_expect_success 'bundle_uri_parse_line() parsing edge cases: empty key or value' '
cat >in <<-\EOF &&
=bogus-value
bogus-key=
EOF
cat >err.expect <<-EOF &&
error: bundle-uri: line has empty key or value
error: bad line: '\''=bogus-value'\''
error: bundle-uri: line has empty key or value
error: bad line: '\''bogus-key='\''
EOF
cat >expect <<-\EOF &&
[bundle]
version = 1
mode = all
EOF
test_must_fail test-tool bundle-uri parse-key-values in >actual 2>err &&
test_cmp err.expect err &&
test_cmp_config_output expect actual
'
test_expect_success 'bundle_uri_parse_line() parsing edge cases: empty lines' '
cat >in <<-\EOF &&
bundle.one.uri=http://example.com/bundle.bdl
bundle.two.uri=https://example.com/bundle.bdl
bundle.three.uri=file:///usr/share/git/bundle.bdl
EOF
cat >err.expect <<-\EOF &&
error: bundle-uri: got an empty line
error: bad line: '\'''\''
error: bundle-uri: got an empty line
error: bad line: '\'''\''
EOF
# We fail, but try to continue parsing regardless
cat >expect <<-\EOF &&
[bundle]
version = 1
mode = all
[bundle "one"]
uri = http://example.com/bundle.bdl
[bundle "two"]
uri = https://example.com/bundle.bdl
[bundle "three"]
uri = file:///usr/share/git/bundle.bdl
EOF
test_must_fail test-tool bundle-uri parse-key-values in >actual 2>err &&
test_cmp err.expect err &&
test_cmp_config_output expect actual
'
test_expect_success 'bundle_uri_parse_line() parsing edge cases: duplicate lines' '
cat >in <<-\EOF &&
bundle.one.uri=http://example.com/bundle.bdl
bundle.two.uri=https://example.com/bundle.bdl
bundle.one.uri=https://example.com/bundle-2.bdl
bundle.three.uri=file:///usr/share/git/bundle.bdl
EOF
cat >err.expect <<-\EOF &&
error: bad line: '\''bundle.one.uri=https://example.com/bundle-2.bdl'\''
EOF
# We fail, but try to continue parsing regardless
cat >expect <<-\EOF &&
[bundle]
version = 1
mode = all
[bundle "one"]
uri = http://example.com/bundle.bdl
[bundle "two"]
uri = https://example.com/bundle.bdl
[bundle "three"]
uri = file:///usr/share/git/bundle.bdl
EOF
test_must_fail test-tool bundle-uri parse-key-values in >actual 2>err &&
test_cmp err.expect err &&
test_cmp_config_output expect actual
'
bundle-uri: parse bundle list in config format When a bundle provider wants to operate independently from a Git remote, they want to provide a single, consistent URI that users can use in their 'git clone --bundle-uri' commands. At this point, the Git client expects that URI to be a single bundle that can be unbundled and used to bootstrap the rest of the clone from the Git server. This single bundle cannot be re-used to assist with future incremental fetches. To allow for the incremental fetch case, teach Git to understand a bundle list that could be advertised at an independent bundle URI. Such a bundle list is likely to be inspected by human readers, even if only by the bundle provider creating the list. For this reason, we can take our expected "key=value" pairs and instead format them using Git config format. Create bundle_uri_parse_config_format() to parse a file in config format and convert that into a 'struct bundle_list' filled with its understanding of the contents. Be careful to use error_action CONFIG_ERROR_ERROR when calling git_config_from_file_with_options() because the default action for git_config_from_file() is to die() on a parsing error. The current warning isn't particularly helpful if it arises to a user, but it will be made more verbose at a higher layer later. Update 'test-tool bundle-uri' to take this config file format as input. It uses a filename instead of stdin because there is no existing way to parse a FILE pointer in the config machinery. Using git_config_from_mem() is overly complicated and more likely to introduce bugs than this simpler version. Signed-off-by: Derrick Stolee <derrickstolee@github.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-12 12:52:33 +00:00
test_expect_success 'parse config format: just URIs' '
cat >expect <<-\EOF &&
[bundle]
version = 1
mode = all
[bundle "one"]
uri = http://example.com/bundle.bdl
[bundle "two"]
uri = https://example.com/bundle.bdl
[bundle "three"]
uri = file:///usr/share/git/bundle.bdl
EOF
test-tool bundle-uri parse-config expect >actual 2>err &&
test_must_be_empty err &&
test_cmp_config_output expect actual
'
test_expect_success 'parse config format edge cases: empty key or value' '
cat >in1 <<-\EOF &&
= bogus-value
EOF
cat >err1 <<-EOF &&
error: bad config line 1 in file in1
EOF
cat >expect <<-\EOF &&
[bundle]
version = 1
mode = all
EOF
test_must_fail test-tool bundle-uri parse-config in1 >actual 2>err &&
test_cmp err1 err &&
test_cmp_config_output expect actual &&
cat >in2 <<-\EOF &&
bogus-key =
EOF
cat >err2 <<-EOF &&
error: bad config line 1 in file in2
EOF
test_must_fail test-tool bundle-uri parse-config in2 >actual 2>err &&
test_cmp err2 err &&
test_cmp_config_output expect actual
'
bundle-uri: unit test "key=value" parsing Create a new 'test-tool bundle-uri' test helper. This helper will assist in testing logic deep in the bundle URI feature. This change introduces the 'parse-key-values' subcommand, which parses an input file as a list of lines. These are fed into bundle_uri_parse_line() to test how we construct a 'struct bundle_list' from that data. The list is then output to stdout as if the key-value pairs were a Git config file. We use an input file instead of stdin because of a future change to parse in config-file format that works better as an input file. Co-authored-by: Derrick Stolee <derrickstolee@github.com> Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Derrick Stolee <derrickstolee@github.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-12 12:52:32 +00:00
test_done
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