285 lines
7.6 KiB
Ruby
285 lines
7.6 KiB
Ruby
$LOAD_PATH[0,0] = File.join(File.dirname(__FILE__), '..', 'lib')
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require 'test/unit'
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require 'mongo'
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require 'mongo/gridfs'
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class GridStoreTest < Test::Unit::TestCase
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include XGen::Mongo::Driver
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include XGen::Mongo::GridFS
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@@db = Mongo.new(ENV['MONGO_RUBY_DRIVER_HOST'] || 'localhost',
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ENV['MONGO_RUBY_DRIVER_PORT'] || Mongo::DEFAULT_PORT).db('ruby-mongo-test')
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@@files = @@db.collection('fs.files')
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@@chunks = @@db.collection('fs.chunks')
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def setup
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@@chunks.clear
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@@files.clear
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GridStore.open(@@db, 'foobar', 'w') { |f| f.write("hello, world!") }
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end
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def teardown
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@@chunks.clear
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@@files.clear
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@@db.error
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end
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def test_exist
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assert GridStore.exist?(@@db, 'foobar')
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assert !GridStore.exist?(@@db, 'does_not_exist')
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assert !GridStore.exist?(@@db, 'foobar', 'another_root')
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end
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def test_list
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assert_equal ['foobar'], GridStore.list(@@db)
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assert_equal ['foobar'], GridStore.list(@@db, 'fs')
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assert_equal [], GridStore.list(@@db, 'my_fs')
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GridStore.open(@@db, 'test', 'w') { |f| f.write("my file") }
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assert_equal ['foobar', 'test'], GridStore.list(@@db)
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end
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def test_small_write
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rows = @@files.find({'filename' => 'foobar'}).to_a
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assert_not_nil rows
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assert_equal 1, rows.length
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row = rows[0]
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assert_not_nil row
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file_id = row['_id']
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assert_kind_of ObjectID, file_id
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rows = @@chunks.find({'files_id' => file_id}).to_a
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assert_not_nil rows
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assert_equal 1, rows.length
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end
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def test_small_file
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rows = @@files.find({'filename' => 'foobar'}).to_a
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assert_not_nil rows
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assert_equal 1, rows.length
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row = rows[0]
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assert_not_nil row
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assert_equal "hello, world!", GridStore.read(@@db, 'foobar')
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end
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def test_overwrite
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GridStore.open(@@db, 'foobar', 'w') { |f| f.write("overwrite") }
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assert_equal "overwrite", GridStore.read(@@db, 'foobar')
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end
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def test_read_length
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assert_equal "hello", GridStore.read(@@db, 'foobar', 5)
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end
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# Also tests seek
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def test_read_with_offset
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assert_equal "world", GridStore.read(@@db, 'foobar', 5, 7)
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assert_equal "world!", GridStore.read(@@db, 'foobar', nil, 7)
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end
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def test_seek
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GridStore.open(@@db, 'foobar', 'r') { |f|
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f.seek(0)
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assert_equal 'h', f.getc.chr
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f.seek(7)
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assert_equal 'w', f.getc.chr
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f.seek(4)
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assert_equal 'o', f.getc.chr
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f.seek(-1, IO::SEEK_END)
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assert_equal '!', f.getc.chr
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f.seek(-6, IO::SEEK_END)
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assert_equal 'w', f.getc.chr
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f.seek(0)
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f.seek(7, IO::SEEK_CUR)
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assert_equal 'w', f.getc.chr
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f.seek(-1, IO::SEEK_CUR)
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assert_equal 'w', f.getc.chr
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f.seek(-4, IO::SEEK_CUR)
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assert_equal 'o', f.getc.chr
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f.seek(3, IO::SEEK_CUR)
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assert_equal 'o', f.getc.chr
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}
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end
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def test_multi_chunk
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@@chunks.clear
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@@files.clear
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size = 512
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GridStore.open(@@db, 'biggie', 'w') { |f|
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f.chunk_size = size
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f.write('x' * size)
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f.write('y' * size)
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f.write('z' * size)
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}
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assert_equal 3, @@chunks.count
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assert_equal ('x' * size) + ('y' * size) + ('z' * size), GridStore.read(@@db, 'biggie')
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end
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def test_puts_and_readlines
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GridStore.open(@@db, 'multiline', 'w') { |f|
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f.puts "line one"
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f.puts "line two\n"
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f.puts "line three"
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}
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lines = GridStore.readlines(@@db, 'multiline')
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assert_equal ["line one\n", "line two\n", "line three\n"], lines
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end
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def test_unlink
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assert_equal 1, @@files.count
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assert_equal 1, @@chunks.count
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GridStore.unlink(@@db, 'foobar')
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assert_equal 0, @@files.count
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assert_equal 0, @@chunks.count
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end
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def test_append
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GridStore.open(@@db, 'foobar', 'w+') { |f| f.write(" how are you?") }
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assert_equal 1, @@chunks.count
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assert_equal "hello, world! how are you?", GridStore.read(@@db, 'foobar')
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end
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def test_rewind_and_truncate_on_write
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GridStore.open(@@db, 'foobar', 'w') { |f|
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f.write("some text is inserted here")
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f.rewind
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f.write("abc")
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}
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assert_equal "abc", GridStore.read(@@db, 'foobar')
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end
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def test_tell
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GridStore.open(@@db, 'foobar', 'r') { |f|
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f.read(5)
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assert_equal 5, f.tell
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}
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end
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def test_empty_block_ok
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GridStore.open(@@db, 'empty', 'w')
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end
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def test_save_empty_file
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@@chunks.clear
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@@files.clear
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GridStore.open(@@db, 'empty', 'w') {} # re-write with zero bytes
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assert_equal 1, @@files.count
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assert_equal 0, @@chunks.count
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end
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def test_empty_file_eof
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GridStore.open(@@db, 'empty', 'w')
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GridStore.open(@@db, 'empty', 'r') { |f|
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assert f.eof?
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}
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end
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def test_cannot_change_chunk_size_on_read
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begin
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GridStore.open(@@db, 'foobar', 'r') { |f| f.chunk_size = 42 }
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fail "should have seen error"
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rescue => ex
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assert_match /error: can only change chunk size/, ex.to_s
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end
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end
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def test_cannot_change_chunk_size_after_data_written
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begin
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GridStore.open(@@db, 'foobar', 'w') { |f|
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f.write("some text")
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f.chunk_size = 42
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}
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fail "should have seen error"
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rescue => ex
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assert_match /error: can only change chunk size/, ex.to_s
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end
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end
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def test_change_chunk_size
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GridStore.open(@@db, 'new-file', 'w') { |f|
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f.chunk_size = 42
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f.write("foo")
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}
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GridStore.open(@@db, 'new-file', 'r') { |f|
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assert f.chunk_size == 42
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}
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end
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def test_chunk_size_in_option
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GridStore.open(@@db, 'new-file', 'w', :chunk_size => 42) { |f| f.write("foo") }
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GridStore.open(@@db, 'new-file', 'r') { |f|
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assert f.chunk_size == 42
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}
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end
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def test_md5
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GridStore.open(@@db, 'new-file', 'w') { |f| f.write("hello world\n")}
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GridStore.open(@@db, 'new-file', 'r') { |f|
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assert f.md5 == '6f5902ac237024bdd0c176cb93063dc4'
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begin
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f.md5 = 'cant do this'
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fail "should have seen error"
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rescue => ex
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true
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end
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}
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GridStore.open(@@db, 'new-file', 'w') {}
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GridStore.open(@@db, 'new-file', 'r') { |f|
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assert f.md5 == 'd41d8cd98f00b204e9800998ecf8427e'
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}
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end
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def test_upload_date
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now = Time.now
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orig_file_upload_date = nil
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GridStore.open(@@db, 'foobar', 'r') { |f| orig_file_upload_date = f.upload_date }
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assert_not_nil orig_file_upload_date
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assert (orig_file_upload_date - now) < 5 # even a really slow system < 5 secs
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sleep(2)
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GridStore.open(@@db, 'foobar', 'w') { |f| f.write "new data" }
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file_upload_date = nil
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GridStore.open(@@db, 'foobar', 'r') { |f| file_upload_date = f.upload_date }
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assert_equal orig_file_upload_date, file_upload_date
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end
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def test_content_type
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ct = nil
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GridStore.open(@@db, 'foobar', 'r') { |f| ct = f.content_type }
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assert_equal GridStore::DEFAULT_CONTENT_TYPE, ct
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GridStore.open(@@db, 'foobar', 'w+') { |f| f.content_type = 'text/html' }
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ct2 = nil
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GridStore.open(@@db, 'foobar', 'r') { |f| ct2 = f.content_type }
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assert_equal 'text/html', ct2
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end
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def test_content_type_option
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GridStore.open(@@db, 'new-file', 'w', :content_type => 'image/jpg') { |f| f.write('foo') }
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ct = nil
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GridStore.open(@@db, 'new-file', 'r') { |f| ct = f.content_type }
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assert_equal 'image/jpg', ct
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end
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def test_unknown_mode
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GridStore.open(@@db, 'foobar', 'x')
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fail 'should have seen "illegal mode" error raised'
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rescue => ex
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assert_equal "error: illegal mode x", ex.to_s
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end
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def test_metadata
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GridStore.open(@@db, 'foobar', 'r') { |f| assert_nil f.metadata }
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GridStore.open(@@db, 'foobar', 'w+') { |f| f.metadata = {'a' => 1} }
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GridStore.open(@@db, 'foobar', 'r') { |f| assert_equal({'a' => 1}, f.metadata) }
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end
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end
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