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test/unit/query.shadow-hosts.test.js

Summary

Maintainability
A
35 mins
Test Coverage

Identical blocks of code found in 7 locations. Consider refactoring.
Open

      bdd.before(function() {
        if (document.body.createShadowRoot === undefined) {
          this.skip('ShadowDOM is not supported');
        }
      });
Severity: Major
Found in test/unit/query.shadow-hosts.test.js and 6 other locations - About 35 mins to fix
test/unit/is.shadowed.test.js on lines 52..56
test/unit/observe.shadow-mutations.test.js on lines 87..91
test/unit/query.focusable.all.test.js on lines 145..149
test/unit/query.focusable.strict.test.js on lines 182..186
test/unit/query.focusable.test.js on lines 163..167
test/unit/query.tabsequence.test.js on lines 176..180

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 46.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Unexpected '!' in 'intern!bdd'. Do not use import syntax to configure webpack loaders.
Open

  var bdd = require('intern!bdd');
Severity: Minor
Found in test/unit/query.shadow-hosts.test.js by eslint

For more information visit Source: http://eslint.org/docs/rules/

Unexpected '!' in 'intern/chai!expect'. Do not use import syntax to configure webpack loaders.
Open

  var expect = require('intern/chai!expect');
Severity: Minor
Found in test/unit/query.shadow-hosts.test.js by eslint

For more information visit Source: http://eslint.org/docs/rules/

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