Proper Car database and functions.
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@ -0,0 +1,78 @@
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# This file contains all the necessary code to perform tests based on the following Car database.
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require "json"
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require "../src/dodb.cr"
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require "./spec-database.cr"
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class Car
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include JSON::Serializable
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property name : String # unique to each instance (1-1 relations)
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property color : String # a simple attribute (1-n relations)
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property keywords : Array(String) # tags about a car, example: "shiny" (n-n relations)
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def_clone
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def initialize(@name, @color, @keywords)
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end
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class_getter cars = [
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Car.new("Corvet", "red", [ "shiny", "impressive", "fast", "elegant" ]),
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Car.new("SUV", "red", [ "solid", "impressive" ]),
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Car.new("Mustang", "red", [ "shiny", "impressive", "elegant" ]),
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Car.new("Bullet-GT", "red", [ "shiny", "impressive", "fast", "elegant" ]),
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Car.new("GTI", "blue", [ "average" ]),
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Car.new("Deudeuch", "violet", [ "dirty", "slow", "only French will understand" ])
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]
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# Equality is true if every property is identical.
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def ==(other)
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@name == other.name && @color == other.color && @keywords == other.keywords
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end
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end
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def ram_indexes(storage : DODB::Storage)
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n = storage.new_RAM_index "name", &.name
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c = storage.new_RAM_partition "color", &.color
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k = storage.new_RAM_tags "keyword", &.keywords
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return n, c, k
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end
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def cached_indexes(storage : DODB::Storage)
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n = storage.new_index "name", &.name
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c = storage.new_partition "color", &.color
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k = storage.new_tags "keyword", &.keywords
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return n, c, k
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end
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def uncached_indexes(storage : DODB::Storage)
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n = storage.new_uncached_index "name", &.name
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c = storage.new_uncached_partition "color", &.color
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k = storage.new_uncached_tags "keyword", &.keywords
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return n, c, k
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end
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def add_cars(storage : DODB::Storage, nb_iterations : Int32, from = 0)
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i = from
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car1 = Car.new "Corvet", "red", [ "shiny", "impressive", "fast", "elegant" ]
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car2 = Car.new "Bullet-GT", "blue", [ "shiny", "fast", "expensive" ]
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car3 = Car.new "Deudeuche", "beige", [ "curvy", "sublime" ]
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car4 = Car.new "Ford-5", "red", [ "unknown" ]
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car5 = Car.new "C-MAX", "gray", [ "spacious", "affordable" ]
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while i < nb_iterations
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car1.name = "Corvet-#{i}"
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car2.name = "Bullet-GT-#{i}"
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car3.name = "Deudeuche-#{i}"
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car4.name = "Ford-5-#{i}"
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car5.name = "C-MAX-#{i}"
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storage << car1
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storage << car2
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storage << car3
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storage << car4
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storage << car5
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i += 1
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#STDOUT.write "\radding value #{i}".to_slice
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end
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#puts ""
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end
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@ -0,0 +1,50 @@
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class DODB::SpecDataBase(V) < DODB::DataBase(V)
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property storage_dir : String
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def initialize(storage_ext = "", remove_previous_data = true)
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@storage_dir = "test-spec-storage#{storage_ext}"
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if remove_previous_data
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::FileUtils.rm_rf storage_dir
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end
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super storage_dir
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end
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def rm_storage_dir
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::FileUtils.rm_rf @storage_dir
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end
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end
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class DODB::CachedSpecDataBase(V) < DODB::CachedDataBase(V)
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property storage_dir : String
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def initialize(storage_ext = "", remove_previous_data = true)
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@storage_dir = "test-spec-storage-cached#{storage_ext}"
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if remove_previous_data
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::FileUtils.rm_rf storage_dir
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end
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super storage_dir
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end
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def rm_storage_dir
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::FileUtils.rm_rf @storage_dir
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end
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end
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class DODB::RAMOnlySpecDataBase(V) < DODB::RAMOnlyDataBase(V)
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property storage_dir : String
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def initialize(storage_ext = "", remove_previous_data = true)
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@storage_dir = "test-spec-storage-ram#{storage_ext}"
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if remove_previous_data
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::FileUtils.rm_rf storage_dir
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end
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super storage_dir
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end
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def rm_storage_dir
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::FileUtils.rm_rf @storage_dir
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end
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end
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@ -85,24 +85,3 @@ class PrimitiveShip
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@@asakaze
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]
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end
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class Car
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include JSON::Serializable
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property name : String # unique to each instance (1-1 relations)
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property color : String # a simple attribute (1-n relations)
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property keywords : Array(String) # tags about a car, example: "shiny" (n-n relations)
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def_clone
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def initialize(@name, @color, @keywords)
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end
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class_getter cars = [
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Car.new("Corvet", "red", [ "shiny", "impressive", "fast", "elegant" ]),
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Car.new("SUV", "red", [ "solid", "impressive" ]),
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Car.new("Mustang", "red", [ "shiny", "impressive", "elegant" ]),
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Car.new("Bullet-GT", "red", [ "shiny", "impressive", "fast", "elegant" ]),
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Car.new("GTI", "blue", [ "average" ]),
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Car.new("Deudeuch", "violet", [ "dirty", "slow", "only French will understand" ])
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]
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end
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59
spec/test.cr
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spec/test.cr
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@ -2,28 +2,17 @@ require "spec"
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require "file_utils"
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require "../src/dodb.cr"
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require "./spec-database.cr"
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require "./test-data.cr"
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def fork_process(&)
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Process.new Crystal::System::Process.fork { yield }
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end
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class DODB::SpecDataBase < DODB::DataBase(Ship)
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def initialize(storage_ext = "", remove_previous_data = true)
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storage_dir = "test-storage#{storage_ext}"
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if remove_previous_data
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::FileUtils.rm_rf storage_dir
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end
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super storage_dir
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end
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end
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describe "DODB::DataBase" do
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describe "basics" do
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it "store and get data" do
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db = DODB::SpecDataBase.new
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db = DODB::SpecDataBase(Ship).new
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Ship.all_ships.each do |ship|
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db << ship
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@ -33,7 +22,7 @@ describe "DODB::DataBase" do
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end
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it "rewrite already stored data" do
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db = DODB::SpecDataBase.new
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db = DODB::SpecDataBase(Ship).new
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ship = Ship.all_ships[0]
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key = db << ship
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@ -45,7 +34,7 @@ describe "DODB::DataBase" do
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end
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it "properly remove data" do
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db = DODB::SpecDataBase.new
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db = DODB::SpecDataBase(Ship).new
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Ship.all_ships.each do |ship|
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db << ship
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@ -66,19 +55,19 @@ describe "DODB::DataBase" do
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end
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it "preserves data on reopening" do
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db1 = DODB::SpecDataBase.new
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db1 = DODB::SpecDataBase(Ship).new
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db1 << Ship.kisaragi
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db1.to_a.size.should eq(1)
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db2 = DODB::SpecDataBase.new remove_previous_data: false
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db2 = DODB::SpecDataBase(Ship).new remove_previous_data: false
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db2 << Ship.mutsuki
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db1.to_a.size.should eq(2)
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end
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it "iterates in normal and reversed order" do
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db = DODB::SpecDataBase.new
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db = DODB::SpecDataBase(Ship).new
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Ship.all_ships.each do |ship|
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db << ship
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@ -98,7 +87,7 @@ describe "DODB::DataBase" do
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end
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it "respects the provided offsets if any" do
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db = DODB::SpecDataBase.new
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db = DODB::SpecDataBase(Ship).new
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Ship.all_ships.each do |ship|
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db << ship
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@ -116,7 +105,7 @@ describe "DODB::DataBase" do
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describe "indices" do
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it "do basic indexing" do
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db = DODB::SpecDataBase.new
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db = DODB::SpecDataBase(Ship).new
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db_ships_by_name = db.new_index "name", &.name
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@ -130,7 +119,7 @@ describe "DODB::DataBase" do
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end
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it "raise on index overload" do
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db = DODB::SpecDataBase.new
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db = DODB::SpecDataBase(Ship).new
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db_ships_by_name = db.new_index "name", &.name
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@ -144,7 +133,7 @@ describe "DODB::DataBase" do
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end
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it "properly deindex" do
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db = DODB::SpecDataBase.new
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db = DODB::SpecDataBase(Ship).new
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db_ships_by_name = db.new_index "name", &.name
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@ -162,7 +151,7 @@ describe "DODB::DataBase" do
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end
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it "properly reindex" do
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db = DODB::SpecDataBase.new
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db = DODB::SpecDataBase(Ship).new
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db_ships_by_name = db.new_index "name", &.name
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@ -180,7 +169,7 @@ describe "DODB::DataBase" do
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end
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it "properly updates" do
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db = DODB::SpecDataBase.new
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db = DODB::SpecDataBase(Ship).new
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db_ships_by_name = db.new_index "name", &.name
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@ -202,7 +191,7 @@ describe "DODB::DataBase" do
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describe "partitions" do
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it "do basic partitioning" do
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db = DODB::SpecDataBase.new
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db = DODB::SpecDataBase(Ship).new
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db_ships_by_class = db.new_partition "class", &.klass
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@ -230,7 +219,7 @@ describe "DODB::DataBase" do
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end
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it "removes select elements from partitions" do
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db = DODB::SpecDataBase.new
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db = DODB::SpecDataBase(Ship).new
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db_ships_by_class = db.new_partition "class", &.klass
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@ -250,7 +239,7 @@ describe "DODB::DataBase" do
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describe "tags" do
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it "do basic tagging" do
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db = DODB::SpecDataBase.new
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db = DODB::SpecDataBase(Ship).new
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db_ships_by_tags = db.new_tags "tags", &.tags
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@ -271,7 +260,7 @@ describe "DODB::DataBase" do
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end
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it "properly removes tags" do
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db = DODB::SpecDataBase.new
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db = DODB::SpecDataBase(Ship).new
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db_ships_by_tags = db.new_tags "tags", &.tags
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@ -295,7 +284,7 @@ describe "DODB::DataBase" do
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end
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it "gets items that have multiple tags" do
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db = DODB::SpecDataBase.new
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db = DODB::SpecDataBase(Ship).new
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db_ships_by_tags = db.new_tags "tags", &.tags
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@ -316,7 +305,7 @@ describe "DODB::DataBase" do
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describe "atomic operations" do
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it "safe_get and safe_get?" do
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db = DODB::SpecDataBase.new
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db = DODB::SpecDataBase(Ship).new
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db_ships_by_name = db.new_index "name", &.name
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@ -338,7 +327,7 @@ describe "DODB::DataBase" do
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describe "tools" do
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it "rebuilds indexes" do
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db = DODB::SpecDataBase.new
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db = DODB::SpecDataBase(Ship).new
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db_ships_by_name = db.new_index "name", &.name
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db_ships_by_class = db.new_partition "class", &.klass
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@ -370,7 +359,7 @@ describe "DODB::DataBase" do
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# At this point, the “old” DB is filled. Now we need to convert
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# to the new DB.
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new_db = DODB::SpecDataBase.new "-migration-target"
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new_db = DODB::SpecDataBase(Ship).new "-migration-target"
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new_ships_by_name = new_db.new_index "name", &.name
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new_ships_by_class = new_db.new_partition "class", &.klass
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@ -407,7 +396,7 @@ describe "DODB::DataBase" do
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entries_per_fork = 100
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it "works for pushing values" do
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db = DODB::SpecDataBase.new
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db = DODB::SpecDataBase(Ship).new
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processes = [] of Process
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@ -427,7 +416,7 @@ describe "DODB::DataBase" do
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end
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it "works for updating values" do
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db = DODB::SpecDataBase.new
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db = DODB::SpecDataBase(Ship).new
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db_entries_by_name = db.new_index "name", &.name
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# First pass, creating data.
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@ -465,7 +454,7 @@ describe "DODB::DataBase" do
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end
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it "does parallel-safe updates" do
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db = DODB::SpecDataBase.new
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db = DODB::SpecDataBase(Ship).new
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db_entries_by_name = db.new_index "name", &.name
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# We’ll be storing an integer in the "klass" field, and incrementing
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