no-spec-dupes.md

Disallow the use of duplicate spec names (no-spec-dupes)

Jasmine uses it to begin and name a test spec.

Multiple specs with the same name is confusing and is an indicator of a copy-paste error.

Rule details

This rule triggers a warning (is set to 1 by default) whenever it encounters duplicated spec names.

Block mode (default)

The following patterns are considered warnings:

it("Same spec name", function() {});
it("Same spec name", function() {});

describe("Unique parent", function(){
  it("Same spec name", function() {});
});
describe("Different parent", function(){
  it("Same spec name", function() {});
});

The following patterns are not warnings:

it("Different spec name", function() {});
it("Unique spec name", function() {});

Branch mode

In this mode, it can share the same description unless the branch they form has already be defined.

The following patterns are considered warnings:

describe("Parent context", function(){
  describe("Same branch", function(){
    it("Same spec name", function() {});
    it("Same spec name", function() {});
  });
});

describe("Parent context", function(){
  describe("Same branch", function(){
    it("Same spec name", function() {});
  });
  describe("Same branch", function(){
    it("Same spec name", function() {});
  });
});

The following patterns are not warnings:

describe("Some context", function(){
  describe("Same branch", function(){
    it("Same spec name", function() {});
  });
});
describe("Another context", function(){
  describe("Same branch", function(){
    it("Same spec name", function() {});
  });
});