douwei1408 2017-05-04 09:00
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将特定类型的所有符号加载到包中

I would like to load all symbols of a type from a golang testing package.

What I would like to accomplish is something like pytest's fixtures, where I define an interface

type Fixture func(...Fixture) interface{}
var MyFixture = func() interface{} {
        return 1}

and then to use reflection on the package to load all fixtures and inject them into the test using the test runner.

(I know the reflect package won't give me the parameter names, thats a separate problem i need to solve).

I have two issues, reading Go (reflect): How to discover all package types at runtime?, I tried to use the Default() importer, but I always get a panic:

pkg, err := importer.Default().Import("fmt")
// error was nil
// pkg is nil

randomly prints the following string from somewhere can't find import:

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