discourse/spec/components/import/json_decoder_spec.rb
Sam cce5fb3303 BUGFIXES: improved performance of import an export
we no longer generate the entire dump in memory, instead we generate one table at a time
added some basic progress
2014-01-29 16:49:01 +11:00

76 lines
3 KiB
Ruby

require 'spec_helper'
require 'import/json_decoder'
describe Import::JsonDecoder do
describe "start" do
context "given valid arguments" do
before do
@version = '20121201205642'
@schema = {
"schema" => { 'source' => 'discourse', 'version' => @version},
"categories" => {
fields: Category.columns.map(&:name),
row_count: 2
},
"notifications" => {
fields: Notification.columns.map(&:name),
row_count: 2
}
}
@categories = [
["3", "entertainment", "AB9364", "155", nil, nil, nil, nil, "19", "2012-07-12 18:55:56.355932", "2012-07-12 18:55:56.355932", "1186", "17", "0", "0", "entertainment"],
["4", "question", "AB9364", "164", nil, nil, nil, nil, "1", "2012-07-12 18:55:56.355932", "2012-07-12 18:55:56.355932", "1186", "1", "0", "0", "question"]
]
@notifications = [
["1416", "2", "1214", "{\"topic_title\":\"UI: Where did the 'Create a Topic' button go?\",\"display_username\":\"Lowell Heddings\"}", "t", "2012-12-09 18:05:09.862898", "2012-12-09 18:05:09.862898", "394", "2", nil],
["1415", "2", "1187", "{\"topic_title\":\"Jenkins Config.xml\",\"display_username\":\"Sam\"}", "t", "2012-12-08 10:11:17.599724", "2012-12-08 10:11:17.599724", "392", "3", nil]
]
@decoder = Import::JsonDecoder.new(['xyz/schema.json', 'xyz/categories.json', 'xyz/notifications.json'], lambda{|filename|
case filename
when 'xyz/schema.json'
@schema
when 'xyz/categories.json'
@categories
when 'xyz/notifications.json'
@notifications
end
})
@valid_args = { callbacks: { schema_info: stub_everything, table_data: stub_everything } }
end
it "should call the schema_info callback before sending table data" do
callback_sequence = sequence('callbacks')
@valid_args[:callbacks][:schema_info].expects(:call).in_sequence(callback_sequence)
@valid_args[:callbacks][:table_data].expects(:call).in_sequence(callback_sequence).at_least_once
@decoder.start( @valid_args )
end
it "should call the schema_info callback with source and version parameters when export data is from discourse" do
@valid_args[:callbacks][:schema_info].expects(:call).with do |arg|
arg["source"].should == @schema["source"]
arg["version"].should == @schema["version"]
end
@decoder.start( @valid_args )
end
it "should call the table_data callback at least once for each table in the export file" do
@valid_args[:callbacks][:table_data].expects(:call).with('categories',
@schema['categories']['fields'],
anything, anything
).at_least_once
@valid_args[:callbacks][:table_data].expects(:call).with('notifications',
@schema['notifications']['fields'], anything, anything).at_least_once
@decoder.start( @valid_args )
end
end
end
end