diff --git a/.eslintrc.json b/.eslintrc.json
new file mode 100644
index 0000000..3769cf3
--- /dev/null
+++ b/.eslintrc.json
@@ -0,0 +1,55 @@
+{
+ "parserOptions": {
+ "ecmaVersion": 2017,
+ "sourceType": "module",
+ "ecmaFeatures": {
+ "jsx": false
+ }
+ },
+ "env": {
+ "browser": true,
+ "node": true,
+ "es2017": true
+ },
+ "rules": {
+ "arrow-spacing": "error",
+ "block-scoped-var": "error",
+ "block-spacing": "error",
+ "brace-style": ["error", "stroustrup", {}],
+ "camelcase": "error",
+ "comma-dangle": ["error", "never"],
+ "comma-spacing": ["error", { "before": false, "after": true }],
+ "comma-style": [1, "last"],
+ "consistent-this": [1, "_this"],
+ "curly": [1, "multi"],
+ "eol-last": 1,
+ "eqeqeq": 1,
+ "func-names": 1,
+ "indent": ["error", 2, { "SwitchCase": 1 }],
+ "lines-around-comment": ["error", { "beforeBlockComment": true, "allowArrayStart": true }],
+ "max-len": [1, 180, 2], // 2 spaces per tab, max 80 chars per line
+ "new-cap": 1,
+ "newline-before-return": "error",
+ "no-array-constructor": 1,
+ "no-inner-declarations": [1, "both"],
+ "no-mixed-spaces-and-tabs": 1,
+ "no-multi-spaces": 2,
+ "no-new-object": 1,
+ "no-shadow-restricted-names": 1,
+ "object-curly-spacing": ["error", "always"],
+ "padded-blocks": ["error", { "blocks": "never", "switches": "always" }],
+ "prefer-const": "error",
+ "prefer-template": "error",
+ "one-var": 0,
+ "quote-props": ["error", "always"],
+ "quotes": [1, "single"],
+ "radix": 1,
+ "semi": [1, "always"],
+ "space-before-blocks": [1, "always"],
+ "space-infix-ops": 1,
+ "vars-on-top": 1,
+ "no-multiple-empty-lines": ["error", { "max": 1, "maxEOF": 1 }],
+ "spaced-comment": ["error", "always", { "markers": ["/"] }]
+ }
+
+}
diff --git a/.idea/jsLibraryMappings.xml b/.idea/jsLibraryMappings.xml
new file mode 100644
index 0000000..d23208f
--- /dev/null
+++ b/.idea/jsLibraryMappings.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/shelf/Uncommitted_changes_before_Update_at_12_08_2020,_09_02_[Default_Changelist]/shelved.patch b/.idea/shelf/Uncommitted_changes_before_Update_at_12_08_2020,_09_02_[Default_Changelist]/shelved.patch
new file mode 100644
index 0000000..d9e6e6a
--- /dev/null
+++ b/.idea/shelf/Uncommitted_changes_before_Update_at_12_08_2020,_09_02_[Default_Changelist]/shelved.patch
@@ -0,0 +1,91 @@
+Index: .idea/workspace.xml
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.BaseRevisionTextPatchEP
+<+>\n\n \n \n \n \n \n \n
\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n
\n \n \n \n \n \n \n 1597136254764\n \n \n 1597136254764\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+--- .idea/workspace.xml (revision 59e89318de129370e10b66211baf6cc30483e050)
++++ .idea/workspace.xml (date 1597219354833)
+@@ -1,12 +1,7 @@
+
+
+
+-
+-
+-
+-
+-
+-
++
+
+
+
+@@ -75,38 +70,58 @@
+
+ 1597136254764
+
+-
++
++
++
++ 1597176737162
++
++
++
++ 1597176737162
+
++
+
+
+
+
++
++
++
++
+
+
++
++
++
++
+
+
+
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+-
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+
+-
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+
+-
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+
+
+
+
++
++
++
++
+
+
+
diff --git a/.idea/shelf/Uncommitted_changes_before_Update_at_12_08_2020__09_02__Default_Changelist_.xml b/.idea/shelf/Uncommitted_changes_before_Update_at_12_08_2020__09_02__Default_Changelist_.xml
new file mode 100644
index 0000000..34827f0
--- /dev/null
+++ b/.idea/shelf/Uncommitted_changes_before_Update_at_12_08_2020__09_02__Default_Changelist_.xml
@@ -0,0 +1,4 @@
+
+
+
+
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index bc1b403..558fe74 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -1,35 +1,13 @@
-
-
-
-
+
+
-
-
+
+
@@ -47,6 +25,12 @@
+
+ true
+
+ true
+ true
+
@@ -56,20 +40,29 @@
+
+
+
-
+
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+
@@ -81,21 +74,8 @@
-
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+
@@ -104,15 +84,10 @@
-
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-
@@ -125,75 +100,79 @@
1597136254764
-
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+
+
+
+ 1597176737162
+
+
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+ 1597176737162
+
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+
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+
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+
+
+
+
+
+
+
+
+
+
diff --git a/Buyer.js b/Buyer.js
index 848fa7c..3fe9664 100644
--- a/Buyer.js
+++ b/Buyer.js
@@ -1,190 +1,154 @@
class Buyer {
- constructor(market) {
- this.market = market;
- }
+ constructor(market) {
+ this.market = market;
+ }
- /**
+ /**
+ * Build a list of the sellers
+ * @param product
+ * @returns {*}
+ */
+ buildSellerList(product) {
+ const sellers = [];
+ this.market.sellers.forEach((seller, i) => {
+ if (seller.inventory.hasOwnProperty(product)) {
+ const price = seller.quote(product);
+ sellers.push({ 'id': seller.id, 'price': price, 'index': i, 'quantity': seller.inventory[product].quantity });
+ }
+ });
+
+ return sellers;
+ }
+
+ /**
* Build an order preference table for particular product
* @param product
*/
- buildOrderPrefBestPrice(product) {
- let sellers = [];
+ buildOrderPrefBestPrice(product) {
+ const sellers = this.buildSellerList(product);
- // build up the initial list
- this.market.sellers.forEach((seller, i) => {
- if (seller.inventory.hasOwnProperty(product)) {
- const price = seller.quote(product);
- sellers.push({id: seller.id, price: price, index: i, quantity: seller.inventory[product].quantity})
- }
+ // sort by best price
+ sellers.sort((a, b) => {
+ return a.price - b.price;
+ });
- });
+ return sellers;
+ }
- // sort by best price
- sellers.sort((a, b) => {
- return a.price - b.price;
- })
+ /**
+ * Sort the list based on Delivery delay
+ * @param product
+ * @returns {*}
+ */
+ buildOrderPrefFastFill(product) {
+ const sellers = this.buildSellerList(product);
- return sellers;
- }
+ // sort by best price
+ sellers.sort((a, b) => {
+ return a.deliveryWait - b.deliveryWait;
+ });
+ return sellers;
+ }
- buildOrderPrefFastFill(product) {
- let sellers = [];
+ /**
+ * Sort the list based on item quantity
+ * @param product
+ * @returns {*}
+ */
+ buildOrderPrefMostFill(product) {
+ const sellers = this.buildSellerList(product);
- // build up the initial list
- this.market.sellers.forEach((seller, i) => {
- if (seller.inventory.hasOwnProperty(product)) {
- const price = seller.quote(product);
- sellers.push({id: seller.id, price: price, index: i, quantity: seller.inventory[product].quantity, deliveryWait:seller.deliveryWait})
- }
+ // sort by best price
+ sellers.sort((a, b) => {
+ return b.quantity - a.quantity;
+ });
- });
+ return sellers;
+ }
- // sort by best price
- sellers.sort((a, b) => {
- return a.deliveryWait - b.deliveryWait;
- })
-
- return sellers;
- }
-
- buildOrderPrefMostFill(product) {
- let sellers = [];
-
- // build up the initial list
- this.market.sellers.forEach((seller, i) => {
- if (seller.inventory.hasOwnProperty(product)) {
- const price = seller.quote(product);
- sellers.push({id: seller.id, price: price, index: i, quantity: seller.inventory[product].quantity, deliveryWait:seller.deliveryWait})
- }
-
- });
-
- // sort by best price
- sellers.sort((a, b) => {
- return b.quantity - a.quantity;
- })
-
- return sellers;
- }
-
- /**
+ /**
* This method should get the best price for a given product
* across all sellers
*/
- getBestPrice(product) {
- let lowestPrice = null;
- this.market.sellers.forEach(seller => {
- if (seller.inventory.hasOwnProperty(product)) {
- const price = seller.quote(product);
- if (lowestPrice === null || lowestPrice > price) lowestPrice = price;
- }
+ getBestPrice(product) {
+ let lowestPrice = null;
+ this.market.sellers.forEach(seller => {
+ if (seller.inventory.hasOwnProperty(product)) {
+ const price = seller.quote(product);
+ if (lowestPrice === null || lowestPrice > price) lowestPrice = price;
+ }
+ });
- });
+ return lowestPrice || 0;
+ }
- return lowestPrice || 0;
+ /**
+ * Do the actual purchases based on preference list
+ * @param preference
+ * @param product
+ * @param quantity
+ * @returns {number}
+ */
+ doPurchases(preference, product, quantity) {
+ const sellerPreference = [...preference];
+ let total = 0;
+ let wantedQuantity = quantity;
+ const receipt = [];
+
+ while (sellerPreference.length > 0 && wantedQuantity > 0) {
+ const seller = sellerPreference.shift();
+
+ const r = this.market.sellers[seller.index].sell(product, wantedQuantity);
+ wantedQuantity = (wantedQuantity - r.boughtQuantity) < 0 ? 0 : (wantedQuantity - r.boughtQuantity);
+
+ receipt.push(r);
}
+ if (receipt.length > 1)
+ total = receipt.reduce((a, cv) => {
+ return (typeof a === 'number' ? a : a.cost) + cv.cost;
+ });
+ else if (receipt.length === 1) total = receipt[0].cost;
- /**
+ return total;
+ }
+
+ /**
* This method should optimise price when filling an order
* if the quantity is greater than any single seller can accomodate
* then the next cheapest seller should be used.
*/
- fillWithBestPrices(product, quantity) {
+ fillWithBestPrices(product, quantity) {
+ const sellerPreference = this.buildOrderPrefBestPrice(product);
- let total = 0;
- let wantedQuantity = quantity;
- let sellerPreference = this.buildOrderPrefBestPrice(product);
+ return this.doPurchases(sellerPreference, product, quantity);
+ }
- let receipt = [];
-
- while (sellerPreference.length > 0 && wantedQuantity > 0) {
-
- let seller = sellerPreference.shift();
-
- let r = this.market.sellers[seller.index].sell(product, wantedQuantity);
- wantedQuantity = (wantedQuantity - r.boughtQuantity) < 0 ? 0 : (wantedQuantity - r.boughtQuantity);
-
- receipt.push(r);
- }
-
- if (receipt.length > 1) {
- total = receipt.reduce((a, cv) => {
- return (typeof a === 'number' ? a : a.cost) + cv.cost;
- });
- } else if (receipt.length === 1) total = receipt[0].cost;
-
- return total;
- }
-
-
- /**
+ /**
* This method should optimise for sellers with the largest inventory when filling an order
* if the quantity is greater than any single seller can accomodate
* then the next largest seller should be used.
* if multiple sellers have the same amount of inventory
* you should use the cheaper of the two.
*/
- fillWithLargestSellers(product, quantity) {
- let total = 0;
- let wantedQuantity = quantity;
- let sellerPreference = this.buildOrderPrefMostFill(product);
+ fillWithLargestSellers(product, quantity) {
+ const sellerPreference = this.buildOrderPrefMostFill(product);
- let receipt = [];
+ return this.doPurchases(sellerPreference, product, quantity);
+ }
- while (sellerPreference.length > 0 && wantedQuantity > 0) {
-
- let seller = sellerPreference.shift();
-
- let r = this.market.sellers[seller.index].sell(product, wantedQuantity);
- wantedQuantity = (wantedQuantity - r.boughtQuantity) < 0 ? 0 : (wantedQuantity - r.boughtQuantity);
-
- receipt.push(r);
- }
-
- if (receipt.length > 1) {
- total = receipt.reduce((a, cv) => {
- return (typeof a === 'number' ? a : a.cost) + cv.cost;
- });
- } else if (receipt.length === 1) total = receipt[0].cost;
-
- return total;
-
- }
-
- /**
+ /**
* This fulfils orders based on time to deliver
* @param product
* @param quantity
* @returns {number}
*/
- quicklyFill(product, quantity) {
- let total = 0;
- let wantedQuantity = quantity;
- let sellerPreference = this.buildOrderPrefFastFill(product);
+ quicklyFill(product, quantity) {
+ const sellerPreference = this.buildOrderPrefFastFill(product);
- let receipt = [];
-
- while (sellerPreference.length > 0 && wantedQuantity > 0) {
-
- let seller = sellerPreference.shift();
-
- let r = this.market.sellers[seller.index].sell(product, wantedQuantity);
- wantedQuantity = (wantedQuantity - r.boughtQuantity) < 0 ? 0 : (wantedQuantity - r.boughtQuantity);
-
- receipt.push(r);
- }
-
- if (receipt.length > 1) {
- total = receipt.reduce((a, cv) => {
- return (typeof a === 'number' ? a : a.cost) + cv.cost;
- });
- } else if (receipt.length === 1) total = receipt[0].cost;
-
- return total;
-
- }
+ return this.doPurchases(sellerPreference, product, quantity);
+ }
}
-module.exports = {Buyer}
+module.exports = { Buyer };
diff --git a/package-lock.json b/package-lock.json
index 490d8f4..2d8467f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -767,6 +767,12 @@
"acorn-walk": "^7.1.1"
}
},
+ "acorn-jsx": {
+ "version": "5.2.0",
+ "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.2.0.tgz",
+ "integrity": "sha512-HiUX/+K2YpkpJ+SzBffkM/AQ2YE03S0U1kjTLVpoJdhZMOWy8qvXVN9JdLqv2QsaQ6MPYQIuNmwD8zOiYUofLQ==",
+ "dev": true
+ },
"acorn-walk": {
"version": "7.1.1",
"resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-7.1.1.tgz",
@@ -785,6 +791,12 @@
"uri-js": "^4.2.2"
}
},
+ "ansi-colors": {
+ "version": "4.1.1",
+ "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-4.1.1.tgz",
+ "integrity": "sha512-JoX0apGbHaUJBNl6yF+p6JAFYZ666/hhCGKN5t9QFjbJQKUU/g8MNbFDbvfrgKXvI1QpZplPOnwIo99lX/AAmA==",
+ "dev": true
+ },
"ansi-escapes": {
"version": "4.3.1",
"resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-4.3.1.tgz",
@@ -882,6 +894,12 @@
"integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c=",
"dev": true
},
+ "astral-regex": {
+ "version": "1.0.0",
+ "resolved": "https://registry.npmjs.org/astral-regex/-/astral-regex-1.0.0.tgz",
+ "integrity": "sha512-+Ryf6g3BKoRc7jfp7ad8tM4TtMiaWvbF/1/sQcZPkkS7ag3D5nMBCe2UfOTONtAkaG0tO0ij3C5Lwmf1EiyjHg==",
+ "dev": true
+ },
"asynckit": {
"version": "0.4.0",
"resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
@@ -1434,6 +1452,15 @@
"integrity": "sha512-JC/eHYEC3aSS0vZGjuoc4vHA0yAQTzhQQldXMeMF+JlxLGJlCO38Gma82NV9gk1jGFz8mDzUMeaKXvjRRdJ2dg==",
"dev": true
},
+ "doctrine": {
+ "version": "3.0.0",
+ "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-3.0.0.tgz",
+ "integrity": "sha512-yS+Q5i3hBf7GBkd4KG8a7eBNNWNGLTaEwwYWUijIYM7zrlYDM0BFXHjjPWlWZ1Rg7UaddZeIDmi9jF3HmqiQ2w==",
+ "dev": true,
+ "requires": {
+ "esutils": "^2.0.2"
+ }
+ },
"domexception": {
"version": "2.0.1",
"resolved": "https://registry.npmjs.org/domexception/-/domexception-2.0.1.tgz",
@@ -1476,6 +1503,15 @@
"once": "^1.4.0"
}
},
+ "enquirer": {
+ "version": "2.3.6",
+ "resolved": "https://registry.npmjs.org/enquirer/-/enquirer-2.3.6.tgz",
+ "integrity": "sha512-yjNnPr315/FjS4zIsUxYguYUPP2e1NK4d7E7ZOLiyYCcbFBiTMyID+2wvm2w6+pZ/odMA7cRkjhsPbltwBOrLg==",
+ "dev": true,
+ "requires": {
+ "ansi-colors": "^4.1.1"
+ }
+ },
"error-ex": {
"version": "1.3.2",
"resolved": "https://registry.npmjs.org/error-ex/-/error-ex-1.3.2.tgz",
@@ -1504,12 +1540,220 @@
"source-map": "~0.6.1"
}
},
+ "eslint": {
+ "version": "7.6.0",
+ "resolved": "https://registry.npmjs.org/eslint/-/eslint-7.6.0.tgz",
+ "integrity": "sha512-QlAManNtqr7sozWm5TF4wIH9gmUm2hE3vNRUvyoYAa4y1l5/jxD/PQStEjBMQtCqZmSep8UxrcecI60hOpe61w==",
+ "dev": true,
+ "requires": {
+ "@babel/code-frame": "^7.0.0",
+ "ajv": "^6.10.0",
+ "chalk": "^4.0.0",
+ "cross-spawn": "^7.0.2",
+ "debug": "^4.0.1",
+ "doctrine": "^3.0.0",
+ "enquirer": "^2.3.5",
+ "eslint-scope": "^5.1.0",
+ "eslint-utils": "^2.1.0",
+ "eslint-visitor-keys": "^1.3.0",
+ "espree": "^7.2.0",
+ "esquery": "^1.2.0",
+ "esutils": "^2.0.2",
+ "file-entry-cache": "^5.0.1",
+ "functional-red-black-tree": "^1.0.1",
+ "glob-parent": "^5.0.0",
+ "globals": "^12.1.0",
+ "ignore": "^4.0.6",
+ "import-fresh": "^3.0.0",
+ "imurmurhash": "^0.1.4",
+ "is-glob": "^4.0.0",
+ "js-yaml": "^3.13.1",
+ "json-stable-stringify-without-jsonify": "^1.0.1",
+ "levn": "^0.4.1",
+ "lodash": "^4.17.19",
+ "minimatch": "^3.0.4",
+ "natural-compare": "^1.4.0",
+ "optionator": "^0.9.1",
+ "progress": "^2.0.0",
+ "regexpp": "^3.1.0",
+ "semver": "^7.2.1",
+ "strip-ansi": "^6.0.0",
+ "strip-json-comments": "^3.1.0",
+ "table": "^5.2.3",
+ "text-table": "^0.2.0",
+ "v8-compile-cache": "^2.0.3"
+ },
+ "dependencies": {
+ "cross-spawn": {
+ "version": "7.0.3",
+ "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.3.tgz",
+ "integrity": "sha512-iRDPJKUPVEND7dHPO8rkbOnPpyDygcDFtWjpeWNCgy8WP2rXcxXL8TskReQl6OrB2G7+UJrags1q15Fudc7G6w==",
+ "dev": true,
+ "requires": {
+ "path-key": "^3.1.0",
+ "shebang-command": "^2.0.0",
+ "which": "^2.0.1"
+ }
+ },
+ "globals": {
+ "version": "12.4.0",
+ "resolved": "https://registry.npmjs.org/globals/-/globals-12.4.0.tgz",
+ "integrity": "sha512-BWICuzzDvDoH54NHKCseDanAhE3CeDorgDL5MT6LMXXj2WCnd9UC2szdk4AWLfjdgNBCXLUanXYcpBBKOSWGwg==",
+ "dev": true,
+ "requires": {
+ "type-fest": "^0.8.1"
+ }
+ },
+ "levn": {
+ "version": "0.4.1",
+ "resolved": "https://registry.npmjs.org/levn/-/levn-0.4.1.tgz",
+ "integrity": "sha512-+bT2uH4E5LGE7h/n3evcS/sQlJXCpIp6ym8OWJ5eV6+67Dsql/LaaT7qJBAt2rzfoa/5QBGBhxDix1dMt2kQKQ==",
+ "dev": true,
+ "requires": {
+ "prelude-ls": "^1.2.1",
+ "type-check": "~0.4.0"
+ }
+ },
+ "lodash": {
+ "version": "4.17.19",
+ "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
+ "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==",
+ "dev": true
+ },
+ "optionator": {
+ "version": "0.9.1",
+ "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.9.1.tgz",
+ "integrity": "sha512-74RlY5FCnhq4jRxVUPKDaRwrVNXMqsGsiW6AJw4XK8hmtm10wC0ypZBLw5IIp85NZMr91+qd1RvvENwg7jjRFw==",
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+ "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
+ "dev": true
+ },
+ "string-width": {
+ "version": "3.1.0",
+ "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
+ "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
+ "dev": true,
+ "requires": {
+ "emoji-regex": "^7.0.1",
+ "is-fullwidth-code-point": "^2.0.0",
+ "strip-ansi": "^5.1.0"
+ }
+ },
+ "strip-ansi": {
+ "version": "5.2.0",
+ "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+ "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
+ "dev": true,
+ "requires": {
+ "ansi-regex": "^4.1.0"
+ }
+ }
+ }
+ },
"terminal-link": {
"version": "2.1.1",
"resolved": "https://registry.npmjs.org/terminal-link/-/terminal-link-2.1.1.tgz",
@@ -4246,6 +4718,12 @@
"minimatch": "^3.0.4"
}
},
+ "text-table": {
+ "version": "0.2.0",
+ "resolved": "https://registry.npmjs.org/text-table/-/text-table-0.2.0.tgz",
+ "integrity": "sha1-f17oI66AUgfACvLfSoTsP8+lcLQ=",
+ "dev": true
+ },
"throat": {
"version": "5.0.0",
"resolved": "https://registry.npmjs.org/throat/-/throat-5.0.0.tgz",
@@ -4455,6 +4933,12 @@
"dev": true,
"optional": true
},
+ "v8-compile-cache": {
+ "version": "2.1.1",
+ "resolved": "https://registry.npmjs.org/v8-compile-cache/-/v8-compile-cache-2.1.1.tgz",
+ "integrity": "sha512-8OQ9CL+VWyt3JStj7HX7/ciTL2V3Rl1Wf5OL+SNTm0yK1KvtReVulksyeRnCANHHuUxHlQig+JJDlUhBt1NQDQ==",
+ "dev": true
+ },
"v8-to-istanbul": {
"version": "4.1.4",
"resolved": "https://registry.npmjs.org/v8-to-istanbul/-/v8-to-istanbul-4.1.4.tgz",
@@ -4600,6 +5084,15 @@
"integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
"dev": true
},
+ "write": {
+ "version": "1.0.3",
+ "resolved": "https://registry.npmjs.org/write/-/write-1.0.3.tgz",
+ "integrity": "sha512-/lg70HAjtkUgWPVZhZcm+T4hkL8Zbtp1nFNOn3lRrxnlv50SRBv7cR7RqR+GMsd3hUXy9hWBo4CHTbFTcOYwig==",
+ "dev": true,
+ "requires": {
+ "mkdirp": "^0.5.1"
+ }
+ },
"write-file-atomic": {
"version": "3.0.3",
"resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-3.0.3.tgz",
diff --git a/package.json b/package.json
index 7fef625..97607c6 100644
--- a/package.json
+++ b/package.json
@@ -10,8 +10,9 @@
"author": "",
"license": "ISC",
"devDependencies": {
- "jest": "^26.0.1",
- "expect": "^26.0.1"
+ "eslint": "^7.6.0",
+ "expect": "^26.0.1",
+ "jest": "^26.0.1"
},
"dependencies": {
"random-seed": "^0.3.0",
diff --git a/tests/buyer.test.js b/tests/buyer.test.js
index 5693e71..bfac161 100644
--- a/tests/buyer.test.js
+++ b/tests/buyer.test.js
@@ -1,67 +1,63 @@
-const expect = require("expect")
-const {asda, costco, budgens} = require("../marketplace");
-const {Market} = require("../Market");
-const {Buyer} = require("../Buyer");
+const expect = require('expect');
+const { asda, costco, budgens } = require('../marketplace');
+const { Market } = require('../Market');
+const { Buyer } = require('../Buyer');
-describe("Buyer", function () {
+describe('Buyer', function () {
var market;
beforeEach(() => {
market = new Market([asda, budgens, costco]);
- })
-
+ });
// getBestPrice
- it("should return best price", () => {
- let buyer = new Buyer(market);
+ it('should return best price', () => {
+ const buyer = new Buyer(market);
expect(buyer.getBestPrice('Apples')).toEqual(4.25);
});
- it("should return best price that only 2 have", () => {
- let buyer = new Buyer(market);
+ it('should return best price that only 2 have', () => {
+ const buyer = new Buyer(market);
expect(buyer.getBestPrice('Grapes')).toEqual(21);
});
- it("should return best price that only 1 has", () => {
- let buyer = new Buyer(market);
+ it('should return best price that only 1 has', () => {
+ const buyer = new Buyer(market);
expect(buyer.getBestPrice('Mangosteen')).toEqual(100.0);
});
- it("should return 0 when fruit doesnt exist", () => {
- let buyer = new Buyer(market);
+ it('should return 0 when fruit doesnt exist', () => {
+ const buyer = new Buyer(market);
expect(buyer.getBestPrice('Kumquat')).toEqual(0);
});
-
- it("fill 10 apples", () => {
- let buyer = new Buyer(market);
+ // Filling
+ it('fill 10 apples', () => {
+ const buyer = new Buyer(market);
expect(buyer.fillWithBestPrices('Apples', 10)).toEqual(42.5);
});
-
- it("fill 50 apples", () => {
- let buyer = new Buyer(market);
+ it('fill 50 apples', () => {
+ const buyer = new Buyer(market);
expect(buyer.fillWithBestPrices('Apples', 50)).toEqual(233.60268569487857);
});
- it("unable to fill 10 Kumquat", () => {
- let buyer = new Buyer(market);
+ it('unable to fill 10 Kumquat', () => {
+ const buyer = new Buyer(market);
expect(buyer.fillWithBestPrices('Kumquat', 10)).toEqual(0);
});
- it("Large fill 50 apples", () => {
- let buyer = new Buyer(market);
+ // Large fill
+ it('Large fill 50 apples', () => {
+ const buyer = new Buyer(market);
- expect(buyer. fillWithLargestSellers('Apples', 50)).toEqual(312.5);
+ expect(buyer.fillWithLargestSellers('Apples', 50)).toEqual(312.5);
});
-
-
-
});