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Diffstat (limited to 'test/etap/010-file-basics.t')
| -rw-r--r-- | test/etap/010-file-basics.t | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/test/etap/010-file-basics.t b/test/etap/010-file-basics.t new file mode 100644 index 00000000..73ff5d8a --- /dev/null +++ b/test/etap/010-file-basics.t @@ -0,0 +1,83 @@ +#!/usr/bin/env escript +%% -*- erlang -*- +%%! -pa ./src/couchdb -sasl errlog_type error -boot start_sasl -noshell + +-define(FILE_NAME, "./t/temp.010"). + +main(_) -> + etap:plan(16), + case (catch test()) of + ok -> + etap:end_tests(); + Other -> + etap:diag(io_lib:format("Test died abnormally: ~p", [Other])), + etap:bail() + end, + ok. + +test() -> + etap:is({error, enoent}, couch_file:open("not a real file"), + "Opening a non-existant file should return an enoent error."), + + etap:fun_is( + fun({ok, _}) -> true; (_) -> false end, + couch_file:open(?FILE_NAME ++ ".1", [create, invalid_option]), + "Invalid flags to open are ignored." + ), + + {ok, Fd} = couch_file:open(?FILE_NAME ++ ".0", [create, overwrite]), + etap:ok(is_pid(Fd), + "Returned file descriptor is a Pid"), + + etap:is({ok, 0}, couch_file:bytes(Fd), + "Newly created files have 0 bytes."), + + etap:is({ok, 0}, couch_file:append_term(Fd, foo), + "Appending a term returns the previous end of file position."), + + {ok, Size} = couch_file:bytes(Fd), + etap:is_greater(Size, 0, + "Writing a term increased the file size."), + + etap:is({ok, Size}, couch_file:append_binary(Fd, <<"fancy!">>), + "Appending a binary returns the current file size."), + + etap:is({ok, foo}, couch_file:pread_term(Fd, 0), + "Reading the first term returns what we wrote: foo"), + + etap:is({ok, <<"fancy!">>}, couch_file:pread_binary(Fd, Size), + "Reading back the binary returns what we wrote: <<\"fancy\">>."), + + etap:is({ok, <<131, 100, 0, 3, 102, 111, 111>>}, + couch_file:pread_binary(Fd, 0), + "Reading a binary at a term position returns the term as binary." + ), + + {ok, BinPos} = couch_file:append_binary(Fd, <<131,100,0,3,102,111,111>>), + etap:is({ok, foo}, couch_file:pread_term(Fd, BinPos), + "Reading a term from a written binary term representation succeeds."), + + % append_binary == append_iolist? + % Possible bug in pread_iolist or iolist() -> append_binary + {ok, IOLPos} = couch_file:append_binary(Fd, ["foo", $m, <<"bam">>]), + etap:is({ok, [<<"foombam">>]}, couch_file:pread_iolist(Fd, IOLPos), + "Reading an results in a binary form of the written iolist()"), + + % XXX: How does on test fsync? + etap:is(ok, couch_file:sync(Fd), + "Syncing does not cause an error."), + + etap:is(ok, couch_file:truncate(Fd, Size), + "Truncating a file succeeds."), + + %etap:is(eof, (catch couch_file:pread_binary(Fd, Size)), + % "Reading data that was truncated fails.") + etap:skip(fun() -> ok end, + "No idea how to test reading beyond EOF"), + + etap:is({ok, foo}, couch_file:pread_term(Fd, 0), + "Truncating does not affect data located before the truncation mark."), + + etap:is(ok, couch_file:close(Fd), + "Files close properly."), + ok.
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