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require_relative "spec_helper"
describe "provenance extension" do
before do
@ds = Sequel.mock.dataset.extension(:provenance)
end
line = __LINE__ + 1
def ds
ds = @ds.from(:t)
ds = ds.select(:a)
ds = ds.where(:c)
ds
end
line1 = line+1
line2 = line+2
line3 = line+3
it "should not include provenance comment if there is no comment" do
@ds.sql.must_equal 'SELECT *'
end
it "should include provenance comment in select SQL" do
ds.sql.must_match %r/
\ASELECT\ a\ FROM\ t\ WHERE\ c\ --\
\n\ --\ Dataset\ Provenance
\n\ --\ Keys:\[:from\]\ Source:#{__FILE__}:#{line1}:in\ .+
\n\ --\ Keys:\[:select\]\ Source:#{__FILE__}:#{line2}:in\ .+
\n\ --\ Keys:\[:where\]\ Source:#{__FILE__}:#{line3}:in\ .+
\n\z
/x
end
it "should include provenance comment in insert SQL" do
ds.insert_sql.must_match %r/
\AINSERT\ INTO\ t\ DEFAULT\ VALUES\ --\
\n\ --\ Dataset\ Provenance
\n\ --\ Keys:\[:from\]\ Source:#{__FILE__}:#{line1}:in\ .+
\n\ --\ Keys:\[:select\]\ Source:#{__FILE__}:#{line2}:in\ .+
\n\ --\ Keys:\[:where\]\ Source:#{__FILE__}:#{line3}:in\ .+
\n\z
/x
end
it "should include provenance comment in delete SQL" do
ds.delete_sql.must_match %r/
\ADELETE\ FROM\ t\ WHERE\ c\ --\
\n\ --\ Dataset\ Provenance
\n\ --\ Keys:\[:from\]\ Source:#{__FILE__}:#{line1}:in\ .+
\n\ --\ Keys:\[:select\]\ Source:#{__FILE__}:#{line2}:in\ .+
\n\ --\ Keys:\[:where\]\ Source:#{__FILE__}:#{line3}:in\ .+
\n\z
/x
end
it "should include provenance comment in insert SQL" do
ds.update_sql(:d=>1).must_match %r/
\AUPDATE\ t\ SET\ d\ =\ 1\ WHERE\ c\ --\
\n\ --\ Dataset\ Provenance
\n\ --\ Keys:\[:from\]\ Source:#{__FILE__}:#{line1}:in\ .+
\n\ --\ Keys:\[:select\]\ Source:#{__FILE__}:#{line2}:in\ .+
\n\ --\ Keys:\[:where\]\ Source:#{__FILE__}:#{line3}:in\ .+
\n\z
/x
end
it "should include provenance comment for subqueries" do
line4 = __LINE__+1
ds.db.from(ds).sql.must_match %r/
\ASELECT\ \*\ FROM\ \(SELECT\ a\ FROM\ t\ WHERE\ c\ --\
\n\ --\ Dataset\ Provenance
\n\ --\ Keys:\[:from\]\ Source:#{__FILE__}:#{line1}:in\ .+
\n\ --\ Keys:\[:select\]\ Source:#{__FILE__}:#{line2}:in\ .+
\n\ --\ Keys:\[:where\]\ Source:#{__FILE__}:#{line3}:in\ .+
\n\ --\ Keys:\[:append_sql\]\ Source:#{__FILE__}:#{line4}:in\ .+
\n\)\ AS\ t1\z
/x
end
it "should handle frozen SQL strings" do
@ds = @ds.db.dataset.with_extend{def select_sql; super.freeze; end}.extension(:provenance)
ds.sql.must_match %r/
\ASELECT\ a\ FROM\ t\ WHERE\ c\ --\
\n\ --\ Dataset\ Provenance
\n\ --\ Keys:\[:from\]\ Source:#{__FILE__}:#{line1}:in\ .+
\n\ --\ Keys:\[:select\]\ Source:#{__FILE__}:#{line2}:in\ .+
\n\ --\ Keys:\[:where\]\ Source:#{__FILE__}:#{line3}:in\ .+
\n\z
/x
end
it "should handle use with placeholder literalizers" do
ds = self.ds
2.times do
line4 = __LINE__+1
ds.first(1)
sql = ds.db.sqls.last
sql.must_match %r/
\ASELECT\ a\ FROM\ t\ WHERE\ c\ LIMIT\ 1\ --\
\n\ --\ Dataset\ Provenance
\n\ --\ Keys:\[:from\]\ Source:#{__FILE__}:#{line1}:in\ .+
\n\ --\ Keys:\[:select\]\ Source:#{__FILE__}:#{line2}:in\ .+
\n\ --\ Keys:\[:where\]\ Source:#{__FILE__}:#{line3}:in\ .+
\n\ --\ Keys:\[:limit\]\ Source:#{__FILE__}:#{line4}:in\ .+
\n\z
/x
end
2.times do
line4 = __LINE__+1
ds.first(1)
sql = ds.db.sqls.last
sql.must_match %r/
\ASELECT\ a\ FROM\ t\ WHERE\ c\ LIMIT\ 1\ --\
\n\ --\ Dataset\ Provenance
\n\ --\ Keys:\[:from\]\ Source:#{__FILE__}:#{line1}:in\ .+
\n\ --\ Keys:\[:select\]\ Source:#{__FILE__}:#{line2}:in\ .+
\n\ --\ Keys:\[:where\]\ Source:#{__FILE__}:#{line3}:in\ .+
\n\ --\ Keys:\[:limit\]\ Source:#{__FILE__}:#{line4}:in\ .+
\n\ --\ Keys:\[:placeholder_literalizer\]\ Source:#{__FILE__}:#{line4}:in\ .+
\n\z
/x
end
end
it "should respect :provenance_caller_ignore Database option" do
ds.db.opts[:provenance_caller_ignore] = /:(#{line1}|#{line2}|#{line3}):/
line4 = __LINE__+1
ds.sql.must_match %r/
\ASELECT\ a\ FROM\ t\ WHERE\ c\ --\
\n\ --\ Dataset\ Provenance
\n\ --\ Keys:\[:from\]\ Source:#{__FILE__}:#{line4}:in\ .+
\n\ --\ Keys:\[:select\]\ Source:#{__FILE__}:#{line4}:in\ .+
\n\ --\ Keys:\[:where\]\ Source:#{__FILE__}:#{line4}:in\ .+
\n\z
/x
end
end
|
