mock-json-response
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Configurable REST API response provider
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<h1><a href="../../../index.html">All files</a> / <a href="index.html">src/server/utils</a> responseProcessor.js</h1>
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<span class="strong">63.33% </span>
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<span class='fraction'>57/90</span>
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<span class="strong">33.33% </span>
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<span class='fraction'>10/30</span>
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<span class="strong">80.95% </span>
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<span class='fraction'>17/21</span>
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<span class="strong">62.65% </span>
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<span class="cline-any cline-yes">1x</span></td><td class="text"><pre class="prettyprint lang-js">const path = require('path');
const store = require('./store');
const getHeaderMatchedStubs = (reqHeaders, stubs) => {
const incomingHeaders = Object.keys(reqHeaders);
const files = Object.keys(stubs);
const allMatchedMappings = [];
let max_weight = 0;
files.forEach((file) => {
const headers = stubs[file];
const matchedHeaders = headers
.filter((header) => incomingHeaders.includes(header.header))
.filter((header) => header.match(reqHeaders[header.header]))
.map((header) => header.header);
if (matchedHeaders.length === headers.length) {
allMatchedMappings.push({ file, size: headers.length });
if (headers.length > max_weight) max_weight = headers.length;
}
});
return { allMatchedMappings, max_weight };
};
const processData = (file, req) => {
<span class="missing-if-branch" title="else path not taken" >E</span>if (typeof "String" !== typeof file) {
return { data: file, status: 200 };
}
const logicFile = <span class="cstat-no" title="statement not covered" >require(path.join(store.functionDirectory, file));</span>
const res = <span class="cstat-no" title="statement not covered" >logicFile.response;</span>
<span class="cstat-no" title="statement not covered" > if (res.inlineData) {</span>
<span class="cstat-no" title="statement not covered" > res.data = res.inlineData;</span>
} else {
<span class="cstat-no" title="statement not covered" > res.data = require(path.join(store.dataDirectory, res.bodyFileName));</span>
}
<span class="cstat-no" title="statement not covered" > logicFile.logic && logicFile.logic(req, res);</span>
<span class="cstat-no" title="statement not covered" > return res;</span>
}
const urlMatcher = (URLpattern, incomingURL) => {
const regex = RegExp(URLpattern);
return regex.test(incomingURL)
}
const getMatchedStub = ({ url, headers, method }) => {
const routes = store.routes;
const scenarioMap = store.scenarioMap;
const allstubs = store.stubs;
let stubs = {}, urlsWithMethods;
const matchedURLs = Object.keys(routes).filter(route => urlMatcher(route, url)).map(route => route);
<span class="missing-if-branch" title="if path not taken" >I</span>if (matchedURLs.length === 0) {
<span class="cstat-no" title="statement not covered" > return { error: "No matched URL" };</span>
} else {
urlsWithMethods = matchedURLs.filter(url => routes[url][method]).map(url => url);
<span class="missing-if-branch" title="if path not taken" >I</span>if (urlsWithMethods.length === 0) <span class="cstat-no" title="statement not covered" >return { error: "No Matched Request method" };</span>
}
urlsWithMethods.forEach(route => {
const multipleStubs = routes[route][method];
Object.keys(multipleStubs).forEach(stubName => {
stubs[stubName] = multipleStubs[stubName];
})
})
const { allMatchedMappings, max_weight } = getHeaderMatchedStubs(headers, stubs);
<span class="missing-if-branch" title="if path not taken" >I</span>if (allMatchedMappings.length === 0) {
<span class="cstat-no" title="statement not covered" > return { warning: "No perfect headers match" }</span>
}
<span class="missing-if-branch" title="if path not taken" >I</span>if (allMatchedMappings.length === 1) {
//perfect match of headers
const matchedFile = <span class="cstat-no" title="statement not covered" >allMatchedMappings[0].file;</span>
<span class="cstat-no" title="statement not covered" > return processScenario(allstubs, scenarioMap, matchedFile);</span>
} else {
//have multiple matches
const processedScenarios = allMatchedMappings
.filter(singleFile => allstubs[singleFile.file].request.scenario)
.map(<span class="fstat-no" title="function not covered" >si</span>ngleFile => <span class="cstat-no" title="statement not covered" >processScenario(allstubs, scenarioMap, singleFile.file))</span>;
<span class="missing-if-branch" title="if path not taken" >I</span>if (processedScenarios.length !== 0) {
const fileNames = <span class="cstat-no" title="statement not covered" >processedScenarios</span>
.filter(<span class="fstat-no" title="function not covered" >pr</span>ocessedScenario => <span class="cstat-no" title="statement not covered" >typeof processedScenario === typeof "String")</span>
.map(<span class="fstat-no" title="function not covered" >fi</span>les => <span class="cstat-no" title="statement not covered" >files)</span>;
<span class="cstat-no" title="statement not covered" > if (fileNames.length === 0) {</span>
<span class="cstat-no" title="statement not covered" > return {</span>
warning: "there was a match, but ignored as it was not fulfilling the state",
tip: "if you didn't intend that to happen please remove scenario in request",
possibleMatches: allMatchedMappings
}
} else <span class="cstat-no" title="statement not covered" >if (fileNames.length === 1) {</span>
<span class="cstat-no" title="statement not covered" > return fileNames[0];</span>
} else {
<span class="cstat-no" title="statement not covered" > return {</span>
warning: "There multiple matches for this request after scenarios are applied",
values: fileNames
}
}
}
const weighted_stubs = assignWeights(allMatchedMappings, max_weight);
return {
warning: "There multiple matches for this request",
values: weighted_stubs
}
}
};
const assignWeights = (files, max_weight) => {
const ret=[];
files.forEach(file => {
ret.push({file: file.file, weight:Math.ceil((file.size / max_weight) * 100) + '%'});
})
return ret;
}
const processScenario = <span class="fstat-no" title="function not covered" >(a</span>llstubs, scenarioMap, matchedFile) => {
const presentScenario = <span class="cstat-no" title="statement not covered" >allstubs[matchedFile].request.scenario;</span>
<span class="cstat-no" title="statement not covered" > if (!presentScenario) <span class="cstat-no" title="statement not covered" >return matchedFile;</span></span>
const presentStage = <span class="cstat-no" title="statement not covered" >scenarioMap[presentScenario].presentState;</span>
const targetState = <span class="cstat-no" title="statement not covered" >allstubs[matchedFile].request.targetState;</span>
<span class="cstat-no" title="statement not covered" > if (!targetState) {</span>
//get stub match with the stage
const stubState = <span class="cstat-no" title="statement not covered" >allstubs[matchedFile].request.state;</span>
<span class="cstat-no" title="statement not covered" > if (stubState === presentStage) {</span>
<span class="cstat-no" title="statement not covered" > return matchedFile;</span>
} else {
<span class="cstat-no" title="statement not covered" > return {</span>
warning: "there was a match, but ignored as it was not fulfilling the state",
tip: "if you didn't intend that to happen please remove scenario in request"
}
}
} else {
//increment the state of files as present state and return the response
<span class="cstat-no" title="statement not covered" > scenarioMap[presentScenario].presentState = targetState;</span>
<span class="cstat-no" title="statement not covered" > return matchedFile;</span>
}
}
exports.processData = processData;
exports.getMatchedStub = getMatchedStub;</pre></td></tr></table></pre>
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