"always returns the the latest tag as the top entry": done => {
const testDistTags = {
"beta": "2.2.0",
"latest": "2.6.1",
"legacy": "1.15.0"
}
const testResponse = {
"*": {
"dist-tags": testDistTags
}
}
npmMock.load = (cli, cb) => cb()
npmMock.commands.view = (n, v, cb) => cb(null, testResponse)
npmViewDistTags()
.then(actual => {
const [actualDistTag] = actual
assert.ok(actualDistTag !== null, `actual = ${actualDistTag}`)
assert.equal(actualDistTag.name, 'latest', `actual = ${actualDistTag.name}`)
assert.equal(actualDistTag.version, '2.6.1', `actual = ${actualDistTag.version}`)
done()
})
.catch(error => done(error))
}
"rejects on npm.load error": done => {
npmMock.load = (cli, cb) => cb("load error")
npmViewDistTags()
.then(results => done(new Error("Should not be called")))
.catch(actual => {
assert.equal(actual, "load error", `actual = ${actual}`)
done()
})
},
"throws NPM_VIEW_EMPTY_RESPONSE when response is empty": done => {
const response = {}
npmMock.load = (cli, cb) => cb()
npmMock.commands.view = (n, v, cb) => cb(null, response)
npmViewDistTags()
.then(results => done(new Error("Should not be called")))
.catch(actual => {
assert.equal(actual.code, 'NPM_VIEW_EMPTY_RESPONSE', `actual = ${actual}`)
done()
})
},
"returns tags in expected mapped format": done => {
const testDistTags = {
"latest": "2.6.1",
"beta": "2.2.0",
"legacy": "1.15.0"
}
const testResponse = {
"*": {
"dist-tags": testDistTags
}
}
npmMock.load = (cli, cb) => cb()
npmMock.commands.view = (n, v, cb) => cb(null, testResponse)
npmViewDistTags()
.then(actual => {
const expectedDistTags = Object.keys(testDistTags)
.map(name => {
return {
name,
version: testDistTags[name]
}
})
expectedDistTags.forEach((expectedDistTag, i) => {
const actualDistTag = actual[i]
assert.ok(actualDistTag !== null, `actual = ${actualDistTag}`)
assert.equal(actualDistTag.name, expectedDistTag.name, `actual = ${actualDistTag.name}`)
assert.equal(actualDistTag.version, expectedDistTag.version, `actual = ${actualDistTag.version}`)
})
done()
})
.catch(error => done(error))
},