From 177c8745dbf2ac152740b0cdf21caccbbfbcb9d5 Mon Sep 17 00:00:00 2001
From: First-Terraner <m.echerbebo@gmail.com>
Date: Fri, 23 Jun 2023 19:34:01 +0200
Subject: [PATCH] add some basic tests for the coin selection modal component

---
 test/components/CoinSelectionModal.test.tsx | 58 +++++++++++++++++++++
 1 file changed, 58 insertions(+)

diff --git a/test/components/CoinSelectionModal.test.tsx b/test/components/CoinSelectionModal.test.tsx
index e8830cb6..74dc0a5a 100644
--- a/test/components/CoinSelectionModal.test.tsx
+++ b/test/components/CoinSelectionModal.test.tsx
@@ -17,4 +17,62 @@ describe('Basic styling test of the CoinSelectionModal component', () => {
 		const modal = screen.getByTestId('testCoinSelectionModal')
 		expect(modal.props.children.props.children.props.style[0].paddingHorizontal).toBe(0)
 	})
+	it('hides the confirm button if not enough proofs are selected', () => {
+		render(
+			<CoinSelectionModal
+				lnAmount={10}
+				disableCS={() => l('test coin selection modal')}
+				proofs={[
+					{ selected: false, amount: 4, secret: '', C: '', id: '0' },
+					{ selected: false, amount: 8, secret: '', C: '', id: '1' },
+				]}
+				setProof={() => l('proofs')}
+			/>
+		)
+		expect(screen.queryByText('Confirm')).toBeNull()
+	})
+	it('should display the confirm button if enough proofs are selected', () => {
+		render(
+			<CoinSelectionModal
+				lnAmount={10}
+				disableCS={() => l('test coin selection modal')}
+				proofs={[
+					{ selected: true, amount: 4, secret: '', C: '', id: '0' },
+					{ selected: true, amount: 8, secret: '', C: '', id: '1' },
+				]}
+				setProof={() => l('proofs')}
+			/>
+		)
+		expect(screen.getByText('Confirm')).toBeDefined()
+	})
+	it('should display the change after selecting more proofs than needed', () => {
+		render(
+			<CoinSelectionModal
+				lnAmount={10}
+				disableCS={() => l('test coin selection modal')}
+				proofs={[
+					{ selected: true, amount: 4, secret: '', C: '', id: '0' },
+					{ selected: true, amount: 8, secret: '', C: '', id: '1' },
+				]}
+				setProof={() => l('proofs')}
+			/>
+		)
+		expect(screen.getByText('Change')).toBeDefined()
+		expect(screen.getByText('2 Sat')).toBeDefined()
+	})
+	it('should not display the change after selecting the exact proofs needed', () => {
+		render(
+			<CoinSelectionModal
+				lnAmount={10}
+				disableCS={() => l('test coin selection modal')}
+				proofs={[
+					{ selected: true, amount: 4, secret: '', C: '', id: '0' },
+					{ selected: true, amount: 4, secret: '', C: '', id: '1' },
+					{ selected: true, amount: 2, secret: '', C: '', id: '2' },
+				]}
+				setProof={() => l('proofs')}
+			/>
+		)
+		expect(screen.queryByText('Change')).toBeNull()
+	})
 })