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test.js
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/* global it, describe */
const merge = require('./')
require('chai').should()
describe('v8-coverage-merge', () => {
it('appends functions with different names', () => {
const merged = merge(
{
scriptId: '70',
url: '/Users/benjamincoe/oss/c8/test/fixtures/timeout.js',
functions: [
{
functionName: 'bar',
isBlockCoverage: true,
ranges: [
{
startOffset: 30,
endOffset: 221,
count: 1
}
]
}
]
},
{
scriptId: '71',
url: '/Users/benjamincoe/oss/c8/test/fixtures/timeout.js',
functions: [
{
functionName: 'foo',
isBlockCoverage: true,
ranges: [
{
startOffset: 70,
endOffset: 400,
count: 2
}
]
}
]
}
)
merged.functions.length.should.equal(2)
})
it('merges non-overlapping ranges for functions with same name', () => {
const merged = merge(
{
scriptId: '70',
url: '/Users/benjamincoe/oss/c8/test/fixtures/timeout.js',
functions: [
{
functionName: 'bar',
isBlockCoverage: true,
ranges: [
{
startOffset: 30,
endOffset: 221,
count: 1
}
]
}
]
},
{
scriptId: '71',
url: '/Users/benjamincoe/oss/c8/test/fixtures/timeout.js',
functions: [
{
functionName: 'bar',
isBlockCoverage: true,
ranges: [
{
startOffset: 300,
endOffset: 400,
count: 2
}
]
}
]
}
)
merged.functions.length.should.equal(1)
merged.functions[0].ranges.length.should.equal(2)
})
it('merges partially enclosed sub-range: a.startOffset < b.startOffset', () => {
const merged = merge(
{
scriptId: '70',
url: '/Users/benjamincoe/oss/c8/test/fixtures/timeout.js',
functions: [
{
functionName: 'bar',
isBlockCoverage: true,
ranges: [
{
startOffset: 30,
endOffset: 221,
count: 1
}
]
}
]
},
{
scriptId: '71',
url: '/Users/benjamincoe/oss/c8/test/fixtures/timeout.js',
functions: [
{
functionName: 'bar',
isBlockCoverage: true,
ranges: [
{
startOffset: 20,
endOffset: 150,
count: 2
}
]
}
]
}
)
merged.functions.length.should.equal(1)
merged.functions[0].ranges.length.should.equal(3)
})
it('merges partially enclosed sub-range: a.endOffset > b.endOffset', () => {
const merged = merge(
{
scriptId: '70',
url: '/Users/benjamincoe/oss/c8/test/fixtures/timeout.js',
functions: [
{
functionName: 'bar',
isBlockCoverage: true,
ranges: [
{
startOffset: 30,
endOffset: 221,
count: 1
}
]
}
]
},
{
scriptId: '71',
url: '/Users/benjamincoe/oss/c8/test/fixtures/timeout.js',
functions: [
{
functionName: 'bar',
isBlockCoverage: true,
ranges: [
{
startOffset: 60,
endOffset: 300,
count: 0
}
]
}
]
}
)
merged.functions.length.should.equal(1)
merged.functions[0].ranges.length.should.equal(3)
})
it('merges fully enclosed sub-range: b encloses a', () => {
const merged = merge(
{
scriptId: '70',
url: '/Users/benjamincoe/oss/c8/test/fixtures/timeout.js',
functions: [
{
functionName: 'bar',
isBlockCoverage: true,
ranges: [
{
startOffset: 30,
endOffset: 221,
count: 1
}
]
}
]
},
{
scriptId: '71',
url: '/Users/benjamincoe/oss/c8/test/fixtures/timeout.js',
functions: [
{
functionName: 'bar',
isBlockCoverage: true,
ranges: [
{
startOffset: 70,
endOffset: 150,
count: 1
}
]
}
]
}
)
merged.functions.length.should.equal(1)
merged.functions[0].ranges.length.should.equal(3)
})
it('merges fully enclosed sub-range: a encloses b', () => {
const merged = merge(
{
scriptId: '70',
url: '/Users/benjamincoe/oss/c8/test/fixtures/timeout.js',
functions: [
{
functionName: 'bar',
isBlockCoverage: true,
ranges: [
{
startOffset: 30,
endOffset: 221,
count: 1
}
]
}
]
},
{
scriptId: '71',
url: '/Users/benjamincoe/oss/c8/test/fixtures/timeout.js',
functions: [
{
functionName: 'bar',
isBlockCoverage: true,
ranges: [
{
startOffset: 10,
endOffset: 300,
count: 1
}
]
}
]
}
)
merged.functions.length.should.equal(1)
merged.functions[0].ranges.length.should.equal(3)
})
it('merges equivalent blocks', () => {
const merged = merge(
{
scriptId: '70',
url: '/Users/benjamincoe/oss/c8/test/fixtures/timeout.js',
functions: [
{
functionName: 'bar',
isBlockCoverage: true,
ranges: [
{
startOffset: 30,
endOffset: 221,
count: 1
}
]
}
]
},
{
scriptId: '71',
url: '/Users/benjamincoe/oss/c8/test/fixtures/timeout.js',
functions: [
{
functionName: 'bar',
isBlockCoverage: true,
ranges: [
{
startOffset: 30,
endOffset: 221,
count: 1
}
]
}
]
}
)
merged.functions.length.should.equal(1)
merged.functions[0].ranges.length.should.equal(1)
})
it('merges multiple block ranges', () => {
const merged = merge(
{
scriptId: '70',
url: '/Users/benjamincoe/oss/c8/test/fixtures/timeout.js',
functions: [
{
functionName: 'bar',
isBlockCoverage: true,
ranges: [
{
startOffset: 30,
endOffset: 105,
count: 1
},
{
startOffset: 200,
endOffset: 300,
count: 2
}
]
}
]
},
{
scriptId: '71',
url: '/Users/benjamincoe/oss/c8/test/fixtures/timeout.js',
functions: [
{
functionName: 'bar',
isBlockCoverage: true,
ranges: [
{
startOffset: 10,
endOffset: 60,
count: 1
},
{
startOffset: 70,
endOffset: 100,
count: 2
},
{
startOffset: 290,
endOffset: 310,
count: 0
}
]
}
]
}
)
merged.functions.length.should.equal(1)
merged.functions[0].ranges.length.should.equal(8)
})
it('discards function coverage if block exists: b is function', () => {
const merged = merge(
{
scriptId: '70',
url: '/Users/benjamincoe/oss/c8/test/fixtures/timeout.js',
functions: [
{
functionName: 'bar',
isBlockCoverage: true,
ranges: [
{
startOffset: 30,
endOffset: 221,
count: 1
}
]
}
]
},
{
scriptId: '71',
url: '/Users/benjamincoe/oss/c8/test/fixtures/timeout.js',
functions: [
{
functionName: 'bar',
isBlockCoverage: false,
ranges: [
{
startOffset: 300,
endOffset: 400,
count: 2
}
]
}
]
}
)
merged.functions.length.should.equal(1)
merged.functions[0].ranges.length.should.equal(1)
})
it('discards function coverage if block exists: b is block', () => {
const merged = merge(
{
scriptId: '70',
url: '/Users/benjamincoe/oss/c8/test/fixtures/timeout.js',
functions: [
{
functionName: 'bar',
isBlockCoverage: false,
ranges: [
{
startOffset: 30,
endOffset: 221,
count: 1
}
]
}
]
},
{
scriptId: '71',
url: '/Users/benjamincoe/oss/c8/test/fixtures/timeout.js',
functions: [
{
functionName: 'bar',
isBlockCoverage: true,
ranges: [
{
startOffset: 300,
endOffset: 400,
count: 2
}
]
}
]
}
)
merged.functions.length.should.equal(1)
merged.functions[0].ranges.length.should.equal(1)
})
})