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Merge pull request jaegertracing#143 from jaegertracing/issue-130-con…
…fig-for-dag-max Add a config value for the DAG cutoff Signed-off-by: vvvprabhakar <vvvprabhakar@gmail.com>
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// Copyright (c) 2017 Uber Technologies, Inc. | ||
// | ||
// Licensed under the Apache License, Version 2.0 (the "License"); | ||
// you may not use this file except in compliance with the License. | ||
// You may obtain a copy of the License at | ||
// | ||
// http://www.apache.org/licenses/LICENSE-2.0 | ||
// | ||
// Unless required by applicable law or agreed to in writing, software | ||
// distributed under the License is distributed on an "AS IS" BASIS, | ||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
// See the License for the specific language governing permissions and | ||
// limitations under the License. | ||
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/* eslint-disable no-console, import/first */ | ||
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jest.mock('./process-deprecation'); | ||
jest.mock('../../constants/default-config', () => { | ||
const actual = require.requireActual('../../constants/default-config'); | ||
// make sure there are deprecations | ||
const deprecations = [{ currentKey: 'current.key', formerKey: 'former.key' }]; | ||
return { default: actual.default, deprecations }; | ||
}); | ||
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import getConfig from './get-config'; | ||
import processDeprecation from './process-deprecation'; | ||
import defaultConfig from '../../constants/default-config'; | ||
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describe('getConfig()', () => { | ||
let oldWarn; | ||
let warnFn; | ||
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beforeEach(() => { | ||
oldWarn = console.warn; | ||
warnFn = jest.fn(); | ||
console.warn = warnFn; | ||
}); | ||
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afterEach(() => { | ||
console.warn = oldWarn; | ||
}); | ||
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describe('`window.getJaegerUiConfig` is not a function', () => { | ||
it('warns once', () => { | ||
getConfig(); | ||
expect(warnFn.mock.calls.length).toBe(1); | ||
getConfig(); | ||
expect(warnFn.mock.calls.length).toBe(1); | ||
}); | ||
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it('returns the default config', () => { | ||
expect(getConfig()).toEqual(defaultConfig); | ||
}); | ||
}); | ||
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describe('`window.getJaegerUiConfig` is a function', () => { | ||
let embedded; | ||
let getJaegerUiConfig; | ||
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beforeEach(() => { | ||
embedded = {}; | ||
getJaegerUiConfig = jest.fn(() => embedded); | ||
window.getJaegerUiConfig = getJaegerUiConfig; | ||
}); | ||
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it('merges the defaultConfig with the embedded config ', () => { | ||
embedded = { novel: 'prop' }; | ||
expect(getConfig()).toEqual({ ...defaultConfig, ...embedded }); | ||
}); | ||
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it('gives precedence to the embedded config', () => { | ||
embedded = {}; | ||
Object.keys(defaultConfig).forEach(key => { | ||
embedded[key] = key; | ||
}); | ||
expect(getConfig()).toEqual(embedded); | ||
}); | ||
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it('processes deprecations every time `getConfig` is invoked', () => { | ||
processDeprecation.mockClear(); | ||
getConfig(); | ||
expect(processDeprecation.mock.calls.length).toBe(1); | ||
getConfig(); | ||
expect(processDeprecation.mock.calls.length).toBe(2); | ||
}); | ||
}); | ||
}); |
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// @flow | ||
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// Copyright (c) 2017 Uber Technologies, Inc. | ||
// | ||
// Licensed under the Apache License, Version 2.0 (the "License"); | ||
// you may not use this file except in compliance with the License. | ||
// You may obtain a copy of the License at | ||
// | ||
// http://www.apache.org/licenses/LICENSE-2.0 | ||
// | ||
// Unless required by applicable law or agreed to in writing, software | ||
// distributed under the License is distributed on an "AS IS" BASIS, | ||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
// See the License for the specific language governing permissions and | ||
// limitations under the License. | ||
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import _get from 'lodash/get'; | ||
import _has from 'lodash/has'; | ||
import _set from 'lodash/set'; | ||
import _unset from 'lodash/unset'; | ||
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type Deprecation = { | ||
formerKey: string, | ||
currentKey: string, | ||
}; | ||
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/** | ||
* Processes a deprecated config property with respect to a configuration. | ||
* NOTE: This mutates `config`. | ||
* | ||
* If the deprecated config property is found to be set on `config`, it is | ||
* moved to the new config property unless a conflicting setting exists. If | ||
* `issueWarning` is `true`, warnings are issues when: | ||
* | ||
* - The deprecated config property is found to be set on `config` | ||
* - The value at the deprecated config property is moved to the new property | ||
* - The value at the deprecated config property is ignored in favor of the value at the new property | ||
*/ | ||
export default function processDeprecation(config: {}, deprecation: Deprecation, issueWarning: boolean) { | ||
const { formerKey, currentKey } = deprecation; | ||
if (_has(config, formerKey)) { | ||
let isTransfered = false; | ||
let isIgnored = false; | ||
if (!_has(config, currentKey)) { | ||
// the new key is not set so transfer the value at the old key | ||
const value = _get(config, formerKey); | ||
_set(config, currentKey, value); | ||
isTransfered = true; | ||
} else { | ||
isIgnored = true; | ||
} | ||
_unset(config, formerKey); | ||
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if (issueWarning) { | ||
const warnings = [`"${formerKey}" is deprecated, instead use "${currentKey}"`]; | ||
if (isTransfered) { | ||
warnings.push(`The value at "${formerKey}" has been moved to "${currentKey}"`); | ||
} | ||
if (isIgnored) { | ||
warnings.push( | ||
`The value at "${formerKey}" is being ignored in favor of the value at "${currentKey}"` | ||
); | ||
} | ||
// eslint-disable-next-line no-console | ||
console.warn(warnings.join('\n')); | ||
} | ||
} | ||
} |
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