Add unit tests

src/libs/modals/modals/ModalDuplicateStrategy/ModalDuplicateStrategy.test.tsx

@@ -0,0 +1,145 @@
+import { describe, test, expect } from 'vitest';
+import { SafeDecimal } from 'libs/safedecimal';
+import { deepCopy, getUndercutStrategy } from './utils';
+
+// -- User duplicates a ETH/USDC strategy with range buy ETH for min 1600 USDC- max 1700 USDC and limit sell ETH for
+// 1800 USDC prices
+// -- Undercut token min buy price = 1600+1600 * 0.1/100= 1601.6
+// -- Undercut token max buy price = 1700+1700 * 0.1/100= 1701.7
+// -- Undercut token sell price = 1800-1800 * 0.1/100= 1798.2
+type StrategyStatus = 'active' | 'noBudget' | 'paused' | 'inactive';
+
+const baseStrategy = {
+  id: '',
+  idDisplay: '',
+  base: {
+    address: '',
+    decimals: 18,
+    symbol: 'ETH',
+  },
+  quote: {
+    address: '',
+    decimals: 6,
+    symbol: 'USDC',
+  },
+  order0: {
+    balance: '',
+    startRate: '',
+    endRate: '',
+    marginalRate: '',
+  },
+  order1: {
+    balance: '',
+    startRate: '',
+    endRate: '',
+    marginalRate: '',
+  },
+  status: 'active' as StrategyStatus,
+  encoded: {
+    id: '',
+    token0: '',
+    token1: '',
+    order0: {
+      y: '',
+      z: '',
+      A: '',
+      B: '',
+    },
+    order1: {
+      y: '',
+      z: '',
+      A: '',
+      B: '',
+    },
+  },
+  roi: new SafeDecimal('0'),
+};
+
+let undercutStrategy = deepCopy(baseStrategy);
+
+describe('Test undercut strategy', () => {
+  test('getUndercutStrategy with 0.1% rate', () => {
+    const undercutDifference = 0.001;
+
+    baseStrategy.order0.startRate = '0';
+    baseStrategy.order0.endRate = '1700';
+    baseStrategy.order1.startRate = '1800';
+    baseStrategy.order1.endRate = '1900';
+    undercutStrategy.order0.startRate = '0';
+    undercutStrategy.order0.endRate = '1701.7';
+    undercutStrategy.order1.startRate = '1798.2';
+    undercutStrategy.order1.endRate = '1898.1';
+
+    expect(getUndercutStrategy(baseStrategy, undercutDifference)).toStrictEqual(
+      undercutStrategy
+    );
+  });
+
+  test('getUndercutStrategy with 0.1% rate and a strategy with one limit order', () => {
+    const undercutDifference = 0.001;
+
+    baseStrategy.order0.startRate = '0';
+    baseStrategy.order0.endRate = '0';
+    baseStrategy.order1.startRate = '1900';
+    baseStrategy.order1.endRate = '1900';
+    undercutStrategy.order0.startRate = '0';
+    undercutStrategy.order0.endRate = '0';
+    undercutStrategy.order1.startRate = '1898.1';
+    undercutStrategy.order1.endRate = '1898.1';
+
+    expect(getUndercutStrategy(baseStrategy, undercutDifference)).toStrictEqual(
+      undercutStrategy
+    );
+  });
+
+  test('getUndercutStrategy with 1% rate', () => {
+    const undercutDifference = 0.01;
+
+    baseStrategy.order0.startRate = '1600';
+    baseStrategy.order0.endRate = '1700';
+    baseStrategy.order1.startRate = '1800';
+    baseStrategy.order1.endRate = '1900';
+    undercutStrategy.order0.startRate = '1616';
+    undercutStrategy.order0.endRate = '1717';
+    undercutStrategy.order1.startRate = '1782';
+    undercutStrategy.order1.endRate = '1881';
+
+    expect(getUndercutStrategy(baseStrategy, undercutDifference)).toStrictEqual(
+      undercutStrategy
+    );
+  });
+
+  test('getUndercutStrategy with negative rate', () => {
+    const undercutDifference = -1;
+
+    baseStrategy.order0.startRate = '1600';
+    baseStrategy.order0.endRate = '1700';
+    baseStrategy.order1.startRate = '1800';
+    baseStrategy.order1.endRate = '1900';
+    undercutStrategy.order0.startRate = '1616';
+    undercutStrategy.order0.endRate = '1717';
+    undercutStrategy.order1.startRate = '1782';
+    undercutStrategy.order1.endRate = '1881';
+
+    expect(() =>
+      getUndercutStrategy(baseStrategy, undercutDifference)
+    ).toThrow();
+  });
+
+  test('getUndercutStrategy with rate higher than 100%', () => {
+    const undercutDifference = 1.01;
+
+    baseStrategy.order0.startRate = '1600';
+    baseStrategy.order0.endRate = '1700';
+    baseStrategy.order1.startRate = '1800';
+    baseStrategy.order1.endRate = '1900';
+    undercutStrategy.order0.startRate = '1616';
+    undercutStrategy.order0.endRate = '1717';
+    undercutStrategy.order1.startRate = '1782';
+    undercutStrategy.order1.endRate = '1881';
+
+    expect(() =>
+      getUndercutStrategy(baseStrategy, undercutDifference)
+    ).toThrow();
+  });
+});