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packages/render/dom/__tests__/ReactDOMSelect-test.js

Summary

Maintainability
F
1 wk
Test Coverage

File ReactDOMSelect-test.js has 589 lines of code (exceeds 250 allowed). Consider refactoring.
Open

/**
 * Copyright (c) 2013-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
Severity: Major
Found in packages/render/dom/__tests__/ReactDOMSelect-test.js - About 1 day to fix

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

      it("should allow setting `value` with multiple", () => {
    let stub = (
      <select multiple={true} value={["giraffe", "gorilla"]} onChange={noop}>
        <option value="monkey">A monkey!</option>
        <option value="giraffe">A giraffe!</option>
    Severity: Major
    Found in packages/render/dom/__tests__/ReactDOMSelect-test.js and 1 other location - About 2 days to fix
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 212..240

    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 406.

    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

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

      it("should allow setting `value` to __proto__ with multiple", () => {
    let stub = (
      <select multiple={true} value={["__proto__", "gorilla"]} onChange={noop}>
        <option value="monkey">A monkey!</option>
        <option value="__proto__">A __proto__!</option>
    Severity: Major
    Found in packages/render/dom/__tests__/ReactDOMSelect-test.js and 1 other location - About 2 days to fix
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 182..210

    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 406.

    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

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

      it("should allow setting `value`", () => {
    let stub = (
      <select value="giraffe" onChange={noop}>
        <option value="monkey">A monkey!</option>
        <option value="giraffe">A giraffe!</option>
    Severity: Major
    Found in packages/render/dom/__tests__/ReactDOMSelect-test.js and 1 other location - About 1 day to fix
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 149..172

    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 239.

    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

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

      it("should allow setting `value` to __proto__", () => {
    let stub = (
      <select value="__proto__" onChange={noop}>
        <option value="monkey">A monkey!</option>
        <option value="__proto__">A giraffe!</option>
    Severity: Major
    Found in packages/render/dom/__tests__/ReactDOMSelect-test.js and 1 other location - About 1 day to fix
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 108..131

    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 239.

    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

    Identical blocks of code found in 2 locations. Consider refactoring.
    Open

        const select = ReactDOM.render(
      <select multiple={true} defaultValue={["giraffe"]}>
        <option key="monkey" value="monkey">
          A monkey!
        </option>
    Severity: Major
    Found in packages/render/dom/__tests__/ReactDOMSelect-test.js and 1 other location - About 3 hrs to fix
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 513..526

    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 106.

    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

    Identical blocks of code found in 2 locations. Consider refactoring.
    Open

        ReactDOM.render(
      <select multiple={true} defaultValue={["giraffe"]}>
        <option key="monkey" value="monkey">
          A monkey!
        </option>
    Severity: Major
    Found in packages/render/dom/__tests__/ReactDOMSelect-test.js and 1 other location - About 3 hrs to fix
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 478..491

    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 106.

    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

    Identical blocks of code found in 2 locations. Consider refactoring.
    Open

        ReactTestUtils.renderIntoDocument(
      <select value="giraffe" defaultValue="giraffe" readOnly={true}>
        <option value="monkey">A monkey!</option>
        <option value="giraffe">A giraffe!</option>
        <option value="gorilla">A gorilla!</option>
    Severity: Major
    Found in packages/render/dom/__tests__/ReactDOMSelect-test.js and 1 other location - About 2 hrs to fix
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 599..605

    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 93.

    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

    Identical blocks of code found in 2 locations. Consider refactoring.
    Open

        ReactTestUtils.renderIntoDocument(
      <select value="giraffe" defaultValue="giraffe" readOnly={true}>
        <option value="monkey">A monkey!</option>
        <option value="giraffe">A giraffe!</option>
        <option value="gorilla">A gorilla!</option>
    Severity: Major
    Found in packages/render/dom/__tests__/ReactDOMSelect-test.js and 1 other location - About 2 hrs to fix
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 591..597

    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 93.

    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

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

        let stub = (
      <select multiple={true} defaultValue={["giraffe", "gorilla"]}>
        <option value="monkey">A monkey!</option>
        <option value="giraffe">A giraffe!</option>
        <option value="gorilla">A gorilla!</option>
    Severity: Major
    Found in packages/render/dom/__tests__/ReactDOMSelect-test.js and 1 other location - About 2 hrs to fix
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 79..85

    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 89.

    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

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

        let stub = (
      <select multiple={true} defaultValue={["giraffe", "gorilla"]}>
        <option value="monkey">A monkey!</option>
        <option value="giraffe">A giraffe!</option>
        <option value="gorilla">A gorilla!</option>
    Severity: Major
    Found in packages/render/dom/__tests__/ReactDOMSelect-test.js and 1 other location - About 2 hrs to fix
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 350..356

    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 89.

    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

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

        let stub = (
      <select value={"giraffe"} onChange={noop}>
        <option value="monkey">A monkey!</option>
        <option value="giraffe">A giraffe!</option>
        <option value="gorilla">A gorilla!</option>
    Severity: Major
    Found in packages/render/dom/__tests__/ReactDOMSelect-test.js and 1 other location - About 2 hrs to fix
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 403..409

    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 86.

    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

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

        let stub = (
      <select value={"giraffe"} onChange={noop}>
        <option value="monkey">A monkey!</option>
        <option value="giraffe">A giraffe!</option>
        <option value="gorilla">A gorilla!</option>
    Severity: Major
    Found in packages/render/dom/__tests__/ReactDOMSelect-test.js and 1 other location - About 2 hrs to fix
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 379..385

    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 86.

    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

    Similar blocks of code found in 4 locations. Consider refactoring.
    Open

        let stub = (
      <select defaultValue="giraffe">
        <option value="monkey">A monkey!</option>
        <option value="giraffe">A giraffe!</option>
        <option value="gorilla">A gorilla!</option>
    Severity: Major
    Found in packages/render/dom/__tests__/ReactDOMSelect-test.js and 3 other locations - About 2 hrs to fix
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 29..35
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 58..64
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 448..454

    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 77.

    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

    Similar blocks of code found in 4 locations. Consider refactoring.
    Open

        const stub = (
      <select defaultValue="giraffe">
        <option value="monkey">A monkey!</option>
        <option value="giraffe">A giraffe!</option>
        <option value="gorilla">A gorilla!</option>
    Severity: Major
    Found in packages/render/dom/__tests__/ReactDOMSelect-test.js and 3 other locations - About 2 hrs to fix
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 29..35
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 58..64
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 320..326

    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 77.

    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

    Similar blocks of code found in 4 locations. Consider refactoring.
    Open

        const el = (
      <select defaultValue="giraffe">
        <option value="monkey">A monkey!</option>
        <option value="giraffe">A giraffe!</option>
        <option value="gorilla">A gorilla!</option>
    Severity: Major
    Found in packages/render/dom/__tests__/ReactDOMSelect-test.js and 3 other locations - About 2 hrs to fix
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 29..35
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 320..326
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 448..454

    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 77.

    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

    Similar blocks of code found in 4 locations. Consider refactoring.
    Open

        let stub = (
      <select defaultValue="giraffe">
        <option value="monkey">A monkey!</option>
        <option value="giraffe">A giraffe!</option>
        <option value="gorilla">A gorilla!</option>
    Severity: Major
    Found in packages/render/dom/__tests__/ReactDOMSelect-test.js and 3 other locations - About 2 hrs to fix
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 58..64
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 320..326
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 448..454

    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 77.

    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

    Similar blocks of code found in 4 locations. Consider refactoring.
    Open

      beforeEach(() => {
    jest.resetModules();
    React = require("react");
    ReactDOM = require("react-dom");
    ReactDOMServer = require("react-server-renderer");
    Severity: Major
    Found in packages/render/dom/__tests__/ReactDOMSelect-test.js and 3 other locations - About 1 hr to fix
    packages/render/dom/__tests__/ReactComponentLifeCycle-test.js on lines 67..73
    packages/render/dom/__tests__/ReactMount-test.js on lines 11..18
    packages/render/dom/__tests__/ReactStatelessComponent-test.js on lines 13..19

    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 66.

    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

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

        ReactTestUtils.renderIntoDocument(
      <select>
        <option selected={true} />
        <option selected={true} />
      </select>
    Severity: Minor
    Found in packages/render/dom/__tests__/ReactDOMSelect-test.js and 1 other location - About 45 mins to fix
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 553..558

    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 50.

    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

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

          ReactTestUtils.renderIntoDocument(
        <select>
          <option selected={true} />
          <option selected={true} />
        </select>
    Severity: Minor
    Found in packages/render/dom/__tests__/ReactDOMSelect-test.js and 1 other location - About 45 mins to fix
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 547..552

    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 50.

    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

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

        ReactTestUtils.renderIntoDocument(
      <select value={null} multiple={true}>
        <option value="test" />
      </select>
    ),
    Severity: Minor
    Found in packages/render/dom/__tests__/ReactDOMSelect-test.js and 1 other location - About 35 mins to fix
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 567..571

    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 47.

    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

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

          ReactTestUtils.renderIntoDocument(
        <select value={null} multiple={true}>
          <option value="test" />
        </select>
      );
    Severity: Minor
    Found in packages/render/dom/__tests__/ReactDOMSelect-test.js and 1 other location - About 35 mins to fix
    packages/render/dom/__tests__/ReactDOMSelect-test.js on lines 562..566

    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 47.

    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

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