| 1 | "use strict";
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| 2 | Object.defineProperty(exports, "__esModule", { value: true });
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| 3 | var lodash_1 = require("./wrap/lodash");
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| 4 | var proxy_safe_clone_deep_with_1 = require("./wrap/proxy-safe-clone-deep-with");
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| 5 | var calls_1 = require("./store/calls");
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| 6 | var store_1 = require("./store");
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| 7 | var arguments_1 = require("./stringify/arguments");
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| 8 | var stubbings_1 = require("./store/stubbings");
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| 9 | function explain(testDouble) {
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| 10 | if (lodash_1.default.isFunction(testDouble)) {
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| 11 | return explainFunction(testDouble);
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| 12 | }
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| 13 | else if (lodash_1.default.isObject(testDouble)) {
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| 14 | return explainObject(testDouble);
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| 15 | }
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| 16 | else {
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| 17 | return explainNonTestDouble(testDouble);
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| 18 | }
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| 19 | }
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| 20 | exports.default = explain;
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| 21 | function explainObject(obj) {
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| 22 | var _a = explainChildren(obj), explanations = _a.explanations, children = _a.children;
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| 23 | return {
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| 24 | name: null,
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| 25 | callCount: 0,
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| 26 | calls: [],
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| 27 | description: describeObject(explanations),
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| 28 | children: children,
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| 29 | isTestDouble: explanations.length > 0
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| 30 | };
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| 31 | }
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| 32 | function explainChildren(thing) {
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| 33 | var explanations = [];
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| 34 | var children = proxy_safe_clone_deep_with_1.default(thing, function (val, key, obj, stack) {
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| 35 | if (lodash_1.default.isFunction(val) && stack) {
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| 36 | return lodash_1.default.tap(explainFunction(val), function (explanation) {
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| 37 | if (explanation.isTestDouble)
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| 38 | explanations.push(explanation);
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| 39 | });
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| 40 | }
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| 41 | });
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| 42 | return { explanations: explanations, children: children };
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| 43 | }
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| 44 | function describeObject(explanations) {
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| 45 | var count = explanations.length;
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| 46 | if (count === 0)
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| 47 | return 'This object contains no test doubles';
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| 48 | return "This object contains " + count + " test double function" + (count > 1 ? 's' : '') + ": [" + lodash_1.default.map(explanations, function (e) {
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| 49 | return "\"" + e.name + "\"";
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| 50 | }).join(', ') + "]";
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| 51 | }
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| 52 | function explainFunction(testDouble) {
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| 53 | if (store_1.default.for(testDouble, false) == null) {
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| 54 | return explainNonTestDouble(testDouble);
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| 55 | }
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| 56 | var calls = calls_1.default.for(testDouble);
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| 57 | var stubs = stubbings_1.default.for(testDouble);
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| 58 | var children = explainChildren(testDouble).children;
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| 59 | return {
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| 60 | name: store_1.default.for(testDouble).name,
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| 61 | callCount: calls.length,
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| 62 | calls: calls,
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| 63 | description: testdoubleDescription(testDouble, stubs, calls) +
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| 64 | stubbingDescription(stubs) +
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| 65 | callDescription(calls),
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| 66 | children: children,
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| 67 | isTestDouble: true
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| 68 | };
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| 69 | }
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| 70 | function explainNonTestDouble(thing) {
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| 71 | return ({
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| 72 | name: undefined,
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| 73 | callCount: 0,
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| 74 | calls: [],
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| 75 | description: "This is not a test double" + (lodash_1.default.isFunction(thing) ? ' function' : '') + ".",
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| 76 | isTestDouble: false
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| 77 | });
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| 78 | }
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| 79 | function testdoubleDescription(testDouble, stubs, calls) {
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| 80 | return "This test double " + stringifyName(testDouble) + "has " + stubs.length + " stubbings and " + calls.length + " invocations.";
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| 81 | }
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| 82 | function stubbingDescription(stubs) {
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| 83 | return stubs.length > 0
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| 84 | ? lodash_1.default.reduce(stubs, function (desc, stub) {
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| 85 | return desc + ("\n - when called with `(" + arguments_1.default(stub.args) + ")`, then " + planFor(stub) + " " + argsFor(stub) + ".");
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| 86 | }, '\n\nStubbings:')
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| 87 | : '';
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| 88 | }
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| 89 | function planFor(stub) {
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| 90 | switch (stub.config.plan) {
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| 91 | case 'thenCallback': return 'callback';
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| 92 | case 'thenResolve': return 'resolve';
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| 93 | case 'thenReject': return 'reject';
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| 94 | default: return 'return';
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| 95 | }
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| 96 | }
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| 97 | function argsFor(stub) {
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| 98 | switch (stub.config.plan) {
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| 99 | case 'thenCallback': return "`(" + arguments_1.default(stub.stubbedValues, ', ') + ")`";
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| 100 | default: return arguments_1.default(stub.stubbedValues, ', then ', '`');
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| 101 | }
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| 102 | }
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| 103 | function callDescription(calls) {
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| 104 | return calls.length > 0
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| 105 | ? lodash_1.default.reduce(calls, function (desc, call) { return desc + ("\n - called with `(" + arguments_1.default(call.cloneArgs) + ")`."); }, '\n\nInvocations:')
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| 106 | : '';
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| 107 | }
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| 108 | function stringifyName(testDouble) {
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| 109 | var name = store_1.default.for(testDouble).name;
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| 110 | return name ? "`" + name + "` " : '';
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| 111 | }
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