Unit tests@xen

[arnabcs17b006]

[codecov-commenter]

Codecov Report

Merging #124 into master will decrease coverage by 0.03%. The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master     #124      +/-   ##
==========================================
- Coverage   16.73%   16.70%   -0.04%     
==========================================
  Files           5        5              
  Lines         472      473       +1     
  Branches       65       70       +5     
==========================================
  Hits           79       79              
- Misses        382      383       +1     
  Partials       11       11              

Flag	Coverage Δ
#unittests	16.70% <0.00%> (-0.04%)	:arrow_down:

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Impacted Files	Coverage Δ
src/api.rs	0.00% <0.00%> (ø)
src/driver/kvm.rs	27.05% <0.00%> (-0.10%)	:arrow_down:
src/lib.rs	0.00% <ø> (ø)

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[arnabcs17b006]

How to create a failure::Error object? I need to return it in one of my expected mock functions

On Wed, Sep 2, 2020, 16:55 Dorian Eikenberg [email protected] wrote:

@rageagainsthepc commented on this pull request.

In src/driver/xen.rs https://github.com/Wenzel/libmicrovmi/pull/124#discussion_r481995374:

•    )
  

•    .expect("Failed to create driver");
  

•    let paddr = 0;
  

•    let result = xen.set_page_access(paddr, Access::R);
  

•    assert!(result.is_err(), "Expected error, got ok instead");
  

• }
• /*#[test]
• fn test_fail_to_create_xen_driver_if_xenforeignmemory_init_returns_error() {

•    let mut xencontrol_mock = MockXenControl::default();
  

•    let mut xenevtchn_mock = MockXenEventChannel::default();
  

•    let mut xenforeignmemory_mock = MockXenForeignMem::default();
  

•    let mut xenstore_mock = MockXs::default();
  

•    let error: Box<dyn std::error::Error + std::marker::Sync + std::marker::Send + 'static> = Box::new(std::error::Error);
  

You are trying to create an object of a trait here. That's not possible.

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