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Add tests for DependencyGraph (#354)
* Make depGraph testable * Add tests for DependencyGraph
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Original file line number | Diff line number | Diff line change |
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'use strict' | ||
const path = require('path') | ||
const { DepGraph } = require('dependency-graph') | ||
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module.exports = function () { | ||
const graph = new DepGraph() | ||
return { | ||
add(message) { | ||
message.parent = path.resolve(message.parent) | ||
message.file = path.resolve(message.file) | ||
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graph.addNode(message.parent) | ||
graph.addNode(message.file) | ||
graph.addDependency(message.parent, message.file) | ||
return message | ||
}, | ||
dependantsOf(node) { | ||
node = path.resolve(node) | ||
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if (graph.hasNode(node)) return graph.dependantsOf(node) | ||
return [] | ||
}, | ||
} | ||
} |
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Original file line number | Diff line number | Diff line change |
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'use strict' | ||
const test = require('ava') | ||
const path = require('path') | ||
const createDependencyGraph = require('./DependencyGraph.js') | ||
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function resolveArray(arr) { | ||
return arr.map((p) => path.resolve(p)) | ||
} | ||
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test('tracks dependencies', (t) => { | ||
const graph = createDependencyGraph() | ||
graph.add({ file: 'aa', parent: 'a' }) | ||
graph.add({ file: 'bb', parent: 'b' }) | ||
graph.add({ file: 'ab', parent: 'a' }) | ||
graph.add({ file: 'ab', parent: 'b' }) | ||
t.deepEqual(graph.dependantsOf('aa'), resolveArray(['a'])) | ||
t.deepEqual(graph.dependantsOf('bb'), resolveArray(['b'])) | ||
t.deepEqual(graph.dependantsOf('ab'), resolveArray(['a', 'b'])) | ||
t.deepEqual(graph.dependantsOf('nonexistent'), []) | ||
}) |
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@@ -48,7 +48,8 @@ | |
"files": [ | ||
"bin", | ||
"index.js", | ||
"lib" | ||
"lib", | ||
"!*.test.js" | ||
], | ||
"keywords": [ | ||
"cli", | ||
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