initial import

javascript/test/__snapshots__/statement.test.js.snap

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+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`example statement 1`] = `
+"Statement for BigCo
+ Hamlet: $650.00 (55 seats)
+ As You Like It: $580.00 (35 seats)
+ Othello: $500.00 (40 seats)
+Amount owed is $1,730.00
+You earned 47 credits
+"
+`;

javascript/test/invoice.json

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+{
+  "customer": "BigCo",
+  "performances": [
+    {
+      "playID": "hamlet",
+      "audience": 55
+    },
+    {
+      "playID": "as-like",
+      "audience": 35
+    },
+    {
+      "playID": "othello",
+      "audience": 40
+    }
+  ]
+}

javascript/test/invoice_new_plays.json

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+{
+  "customer": "BigCoII",
+  "performances": [
+    {
+      "playID": "henry-v",
+      "audience": 53
+    },
+    {
+      "playID": "as-like",
+      "audience": 55
+    }
+  ]
+}

javascript/test/new_plays.json

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+{
+  "henry-v": {"name": "Henry V", "type": "history"},
+  "as-like": {"name": "As You Like It", "type": "pastoral"}
+}

javascript/test/plays.json

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+{
+  "hamlet": {"name": "Hamlet", "type": "tragedy"},
+  "as-like": {"name": "As You Like It", "type": "comedy"},
+  "othello": {"name": "Othello", "type": "tragedy"}
+}

javascript/test/statement.test.js

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+const statement = require('../src/statement');
+const fs=require('fs');
+
+test('example statement', () => {
+    const invoice = JSON.parse(fs.readFileSync('test/invoice.json', 'utf8'));
+    const plays = JSON.parse(fs.readFileSync('test/plays.json', 'utf8'));
+    expect(statement(invoice, plays)).toMatchSnapshot();
+});
+
+test('statement with new play types', () => {
+    const invoice = JSON.parse(fs.readFileSync('test/invoice_new_plays.json', 'utf8'));
+    const plays = JSON.parse(fs.readFileSync('test/new_plays.json', 'utf8'));
+    expect(() => {statement(invoice, plays)}).toThrow(/unknown type/);
+});