Testing Inconsistencies - ruby works rake fails

I’m getting some very weird results when testing my system. If I run my
unit tests using => ruby \test\unit<filename.rb> each of the tests
pass. If I run => rake test_units I get several failures, and they all
have to deal with the same issue. For instance I’m getting =>
ActiveRecord::StatementInvalid: RuntimeError: ERROR C42P01
Mrelation “customers” does not exist Fnamespace.c L200
RRangeVarGetRelid: DELETE FROM customers

Obviously I’ve checked and the customers table exists, and as I
mentioned above, when I run => ruby test\unit\customer_test.rb all tests
succeed. So I’m guessing there is something wrong with the way rake is
loading up the tests and maybe not executing them correctly.

I am connecting to multiple databases in my application. I’ve created a
new database for my customers, licenses and products and am accessing
some legacy databases for some historical data. I’m doing joins b/n the
databases fine in some other tests and those are succeeding when using
rake, it’s only the tests that run against my default test database
which I setup specifically for the rails application.

For my fixtures, I am using the standard => fixtures :customers to
manage the data loading and cleansing between runs.

Any help would be appreciated.

Thanks.
Greg

I’ve just identified another interesting piece to the puzzle. I cleared
the test folder of all files and added them back in one by one based on
the database they were using. When I added the tests for my rails app
classes, they all succeeded. But when I added in a class, that uses one
of my legacy databases, the rails app tests would still succeed as long
as the secondary database test name came after the test name of default
database test. So primary_db_test.rb would succeed as long as the
filename for the test of the secondary database name came alphabetically
after the letter p(rimary_db_test.rb). As soon as I put a secondary db
test that was alphabetically listed in front of a primary db test, rake
can’t find the primary database.

It’s like once rake uses the secondary database it is stuck connected to
it, and can’t find the tables for the primary database tables anymore.

Does it look like I’ve stumbled onto a bug or is there something I have
to do to release database connections in my test? I’m having to
manually create my fixtures to my secondary databases using
Fixture.create( path, file, table-name ) { Connection }. And I’m doing
a teardown in those classes to remove all data when executing for the
tests completes.

Greg

Greg Hansen wrote:

I’m getting some very weird results when testing my system. If I run my
unit tests using => ruby \test\unit<filename.rb> each of the tests
pass. If I run => rake test_units I get several failures, and they all
have to deal with the same issue. For instance I’m getting =>
ActiveRecord::StatementInvalid: RuntimeError: ERROR C42P01
Mrelation “customers” does not exist Fnamespace.c L200
RRangeVarGetRelid: DELETE FROM customers

Obviously I’ve checked and the customers table exists, and as I
mentioned above, when I run => ruby test\unit\customer_test.rb all tests
succeed. So I’m guessing there is something wrong with the way rake is
loading up the tests and maybe not executing them correctly.

I am connecting to multiple databases in my application. I’ve created a
new database for my customers, licenses and products and am accessing
some legacy databases for some historical data. I’m doing joins b/n the
databases fine in some other tests and those are succeeding when using
rake, it’s only the tests that run against my default test database
which I setup specifically for the rails application.

For my fixtures, I am using the standard => fixtures :customers to
manage the data loading and cleansing between runs.

Any help would be appreciated.

Thanks.
Greg

Well,

I’ve proved my theory, I renamed all of my test files, putting an “a_”
in front of the default database tests, and “b_” in front of the
secondary database test files and rake executed all of the tests
successfully.

I’m not going to venture a guess on whether this is a bug in rake or
not, but hopefully when someone else is working with multiple databases
and tries to test their application, they’ll be able to find this post
and the work-around.

Cheers.
Greg

Greg Hansen wrote:

I’ve just identified another interesting piece to the puzzle. I cleared
the test folder of all files and added them back in one by one based on
the database they were using. When I added the tests for my rails app
classes, they all succeeded. But when I added in a class, that uses one
of my legacy databases, the rails app tests would still succeed as long
as the secondary database test name came after the test name of default
database test. So primary_db_test.rb would succeed as long as the
filename for the test of the secondary database name came alphabetically
after the letter p(rimary_db_test.rb). As soon as I put a secondary db
test that was alphabetically listed in front of a primary db test, rake
can’t find the primary database.

It’s like once rake uses the secondary database it is stuck connected to
it, and can’t find the tables for the primary database tables anymore.

Does it look like I’ve stumbled onto a bug or is there something I have
to do to release database connections in my test? I’m having to
manually create my fixtures to my secondary databases using
Fixture.create( path, file, table-name ) { Connection }. And I’m doing
a teardown in those classes to remove all data when executing for the
tests completes.

Greg

Greg Hansen wrote:

I’m getting some very weird results when testing my system. If I run my
unit tests using => ruby \test\unit<filename.rb> each of the tests
pass. If I run => rake test_units I get several failures, and they all
have to deal with the same issue. For instance I’m getting =>
ActiveRecord::StatementInvalid: RuntimeError: ERROR C42P01
Mrelation “customers” does not exist Fnamespace.c L200
RRangeVarGetRelid: DELETE FROM customers

Obviously I’ve checked and the customers table exists, and as I
mentioned above, when I run => ruby test\unit\customer_test.rb all tests
succeed. So I’m guessing there is something wrong with the way rake is
loading up the tests and maybe not executing them correctly.

I am connecting to multiple databases in my application. I’ve created a
new database for my customers, licenses and products and am accessing
some legacy databases for some historical data. I’m doing joins b/n the
databases fine in some other tests and those are succeeding when using
rake, it’s only the tests that run against my default test database
which I setup specifically for the rails application.

For my fixtures, I am using the standard => fixtures :customers to
manage the data loading and cleansing between runs.

Any help would be appreciated.

Thanks.
Greg

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