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40fb17791e
Commit the whole ./lib/ folder which stores the Crystal dependencies. This has a few benefits: - Allows to build the project without a connection to the Internet to retrieve dependencies. - Makes the project resistant against dependency re-tags which might include malicious code.
72 lines
2.2 KiB
Crystal
72 lines
2.2 KiB
Crystal
require "./spec_helper"
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private def dump(source, target)
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source.using_connection do |conn|
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conn = conn.as(SQLite3::Connection)
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target.using_connection do |backup_conn|
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backup_conn = backup_conn.as(SQLite3::Connection)
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conn.dump(backup_conn)
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end
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end
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end
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describe Connection do
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it "opens a database and then backs it up to another db" do
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with_db do |db|
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with_db("./test2.db") do |backup_db|
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db.exec "create table person (name text, age integer)"
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db.exec "insert into person values (\"foo\", 10)"
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dump db, backup_db
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backup_name = backup_db.scalar "select name from person"
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backup_age = backup_db.scalar "select age from person"
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source_name = db.scalar "select name from person"
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source_age = db.scalar "select age from person"
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{backup_name, backup_age}.should eq({source_name, source_age})
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end
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end
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end
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it "opens a database, inserts records, dumps to an in-memory db, insers some more, then dumps to the source" do
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with_db do |db|
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with_mem_db do |in_memory_db|
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db.exec "create table person (name text, age integer)"
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db.exec "insert into person values (\"foo\", 10)"
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dump db, in_memory_db
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in_memory_db.scalar("select count(*) from person").should eq(1)
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in_memory_db.exec "insert into person values (\"bar\", 22)"
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dump in_memory_db, db
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db.scalar("select count(*) from person").should eq(2)
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end
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end
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end
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it "opens a database, inserts records (>1024K), and dumps to an in-memory db" do
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with_db do |db|
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with_mem_db do |in_memory_db|
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db.exec "create table person (name text, age integer)"
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db.transaction do |tx|
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100_000.times { tx.connection.exec "insert into person values (\"foo\", 10)" }
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end
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dump db, in_memory_db
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in_memory_db.scalar("select count(*) from person").should eq(100_000)
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end
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end
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end
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it "opens a connection without the pool" do
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with_cnn do |cnn|
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cnn.should be_a(SQLite3::Connection)
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cnn.exec "create table person (name text, age integer)"
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cnn.exec "insert into person values (\"foo\", 10)"
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cnn.scalar("select count(*) from person").should eq(1)
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end
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end
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end
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