Fixes to the Number Input

lib/src/number-input/NumberInput.test.js

@@ -4,24 +4,14 @@ import userEvent from "@testing-library/user-event";
 import DxcNumberInput from "./NumberInput.tsx";
 
 describe("Number input component tests", () => {
-  test("Number input renders with label", () => {
-    const { getByText } = render(<DxcNumberInput label="Number input label" />);
+  test("Number input renders with label, helper text, placeholder and increment/decrement action buttons", () => {
+    const { getByLabelText, getByText, queryAllByRole } = render(
+      <DxcNumberInput label="Number input label" helperText="Helper text" placeholder="Placeholder" />
+    );
+    const number = getByLabelText("Number input label");
     expect(getByText("Number input label")).toBeTruthy();
-  });
-
-  test("Number input renders with helper text", () => {
-    const { getByText } = render(<DxcNumberInput helperText="Helper text" />);
     expect(getByText("Helper text")).toBeTruthy();
-  });
-
-  test("Number input renders with placeholder", () => {
-    const { getByLabelText } = render(<DxcNumberInput label="Number label" placeholder="Placeholder" />);
-    const number = getByLabelText("Number label");
     expect(number.getAttribute("placeholder")).toBe("Placeholder");
-  });
-
-  test("Number input renders increment and decrement buttons", () => {
-    const { queryAllByRole } = render(<DxcNumberInput label="Number label" />);
     expect(queryAllByRole("button").length).toBe(2);
   });
 
@@ -45,19 +35,18 @@ describe("Number input component tests", () => {
   test("Number input is not optional: required field, displays error if not filled in", () => {
     const onBlur = jest.fn();
     const onChange = jest.fn();
-    const { getByRole } = render(<DxcNumberInput onBlur={onBlur} onChange={onChange} />);
-    const input = getByRole("spinbutton");
-
-    userEvent.type(input, "1");
-    userEvent.clear(input);
-    fireEvent.blur(input);
+    const { getByLabelText } = render(<DxcNumberInput label="Number input label" onBlur={onBlur} onChange={onChange} />);
+    const number = getByLabelText("Number input label");
+    userEvent.type(number, "1");
+    userEvent.clear(number);
+    fireEvent.blur(number);
     expect(onBlur).toHaveBeenCalled();
     expect(onBlur).toHaveBeenCalledWith({ value: "", error: "This field is required. Please, enter a value." });
     expect(onChange).toHaveBeenCalled();
     expect(onChange).toHaveBeenCalledWith({ value: "", error: "This field is required. Please, enter a value." });
   });
 
-  test("Suffix and prefix must be shown)", () => {
+  test("Suffix and prefix must be shown", () => {
     const { getByText } = render(<DxcNumberInput label="Number input label" prefix="+34" suffix="USD" />);
     expect(getByText("+34")).toBeTruthy();
     expect(getByText("USD")).toBeTruthy();
@@ -80,20 +69,20 @@ describe("Number input component tests", () => {
     expect(number.value).toBe("1");
   });
 
-  test("Error message is shown if the value is less than the min value", () => {
+  test("Error message is shown if the typed value is less than the min value", () => {
     const onChange = jest.fn(({ value, error }) => {
-      expect(value).toBe("1");
-      expect(error).toBe("Value must be greater than or equal to 5.");
+      expect(value).toBe("-1");
+      expect(error).toBe("Value must be greater than or equal to 0.");
     });
     const onBlur = jest.fn(({ value, error }) => {
-      expect(value).toBe("1");
-      expect(error).toBe("Value must be greater than or equal to 5.");
+      expect(value).toBe("-1");
+      expect(error).toBe("Value must be greater than or equal to 0.");
     });
     const { getByLabelText } = render(
-      <DxcNumberInput label="Number input label" min={5} onBlur={onBlur} onChange={onChange} />
+      <DxcNumberInput label="Number input label" min={0} onBlur={onBlur} onChange={onChange} />
     );
     const number = getByLabelText("Number input label");
-    userEvent.type(number, "1");
+    userEvent.type(number, "-1");
     fireEvent.blur(number);
   });
 
@@ -119,7 +108,7 @@ describe("Number input component tests", () => {
     expect(number.value).toBe("5");
   });
 
-  test("Error message is shown if the value is greater than the max value", () => {
+  test("Error message is shown if the typed value is greater than the max value", () => {
     const onChange = jest.fn();
     const onBlur = jest.fn();
     const { getByLabelText } = render(
@@ -148,9 +137,9 @@ describe("Number input component tests", () => {
   test("Decrement the value when it is greater than the max value", () => {
     const { getByLabelText, getAllByRole } = render(<DxcNumberInput label="Number input label" max={10} />);
     const number = getByLabelText("Number input label");
-    userEvent.type(number, "12");
+    userEvent.type(number, "120");
     fireEvent.blur(number);
-    expect(number.value).toBe("12");
+    expect(number.value).toBe("120");
     const decrement = getAllByRole("button")[0];
     userEvent.click(decrement);
     expect(number.value).toBe("10");
@@ -178,7 +167,7 @@ describe("Number input component tests", () => {
     expect(number.value).toBe("10");
   });
 
-  test("Increment and decrement the value with step", () => {
+  test("Increment and decrement the value with an integer step", () => {
     const { getByLabelText, getAllByRole } = render(<DxcNumberInput label="Number input label" step={5} />);
     const number = getByLabelText("Number input label");
     userEvent.type(number, "10");
@@ -196,6 +185,26 @@ describe("Number input component tests", () => {
     expect(number.value).toBe("10");
   });
 
+  test("Increment and decrement the value with a decimal step", () => {
+    const { getByLabelText, getAllByRole } = render(<DxcNumberInput label="Number input label" step={0.5} />);
+    const number = getByLabelText("Number input label");
+    userEvent.type(number, "-9");
+    fireEvent.blur(number);
+    expect(number.value).toBe("-9");
+    const increment = getAllByRole("button")[1];
+    userEvent.click(increment);
+    expect(number.value).toBe("-8.5");
+    userEvent.click(increment);
+    expect(number.value).toBe("-8");
+    const decrement = getAllByRole("button")[0];
+    userEvent.click(decrement);
+    userEvent.click(decrement);
+    userEvent.click(decrement);
+    expect(number.value).toBe("-9.5");
+    userEvent.click(decrement);
+    expect(number.value).toBe("-10");
+  });
+
   test("Increment and decrement the value with min, max and step", () => {
     const onBlur = jest.fn();
     const { getByLabelText, getAllByRole } = render(
@@ -211,16 +220,108 @@ describe("Number input component tests", () => {
     userEvent.click(increment);
     expect(number.value).toBe("13");
     userEvent.click(increment);
-    expect(number.value).toBe("20");
+    expect(number.value).toBe("13");
     userEvent.click(increment);
-    expect(number.value).toBe("20");
+    expect(number.value).toBe("13");
     const decrement = getAllByRole("button")[0];
     userEvent.click(decrement);
-    expect(number.value).toBe("12");
-    userEvent.click(decrement);
     expect(number.value).toBe("5");
     userEvent.click(decrement);
     expect(number.value).toBe("5");
+    userEvent.click(decrement);
+  });
+
+  test("Start incrementing from 0 when the min value is less than 0 and the max value is bigger than 0", () => {
+    const onBlur = jest.fn();
+    const { getByLabelText, getAllByRole } = render(
+      <DxcNumberInput label="Number input label" min={-10} max={10} step={1} onBlur={onBlur} />
+    );
+    const number = getByLabelText("Number input label");
+    const increment = getAllByRole("button")[1];
+    userEvent.click(increment);
+    expect(number.value).toBe("1");
+    userEvent.click(increment);
+    expect(number.value).toBe("2");
+  });
+
+  test("Start incrementing from 0 when the min value is less than 0 and the max is 0", () => {
+    const { getByLabelText, getAllByRole } = render(
+      <DxcNumberInput label="Number input label" min={-10} max={0} step={1} />
+    );
+    const number = getByLabelText("Number input label");
+    const increment = getAllByRole("button")[1];
+    userEvent.click(increment);
+    expect(number.value).toBe("0");
+    userEvent.click(increment);
+    expect(number.value).toBe("0");
+  });
+
+  test("Start incrementing from the min value when it is bigger than 0", () => {
+    const { getByLabelText, getAllByRole } = render(
+      <DxcNumberInput label="Number input label" min={2} max={10} step={0.5} />
+    );
+    const number = getByLabelText("Number input label");
+    const increment = getAllByRole("button")[1];
+    userEvent.click(increment);
+    expect(number.value).toBe("2");
+    userEvent.click(increment);
+    expect(number.value).toBe("2.5");
+  });
+
+  test("Start incrementing from the max value when it is less than 0", () => {
+    const { getByLabelText, getAllByRole } = render(
+      <DxcNumberInput label="Number input label" min={-10} max={-1} step={0.5} />
+    );
+    const number = getByLabelText("Number input label");
+    const increment = getAllByRole("button")[1];
+    userEvent.click(increment);
+    expect(number.value).toBe("-1");
+    userEvent.click(increment);
+    expect(number.value).toBe("-1");
+  });
+
+  test("Start decrementing from 0 when the min value is less than 0 and the max value is bigger than 0", () => {
+    const { getByLabelText, getAllByRole } = render(
+      <DxcNumberInput label="Number input label" min={-10} max={10} step={1} />
+    );
+    const number = getByLabelText("Number input label");
+    const decrement = getAllByRole("button")[0];
+    userEvent.click(decrement);
+    expect(number.value).toBe("-1");
+  });
+
+  test("Start decrementing from 0 when the min value is 0 and the max value is bigger than 0", () => {
+    const { getByLabelText, getAllByRole } = render(
+      <DxcNumberInput label="Number input label" min={0} max={10} step={1} />
+    );
+    const number = getByLabelText("Number input label");
+    const decrement = getAllByRole("button")[0];
+    userEvent.click(decrement);
+    expect(number.value).toBe("0");
+  });
+
+  test("Start decrementing from the min value when it is bigger than 0", () => {
+    const { getByLabelText, getAllByRole } = render(
+      <DxcNumberInput label="Number input label" min={2} max={10} step={0.5} />
+    );
+    const number = getByLabelText("Number input label");
+    const decrement = getAllByRole("button")[0];
+    userEvent.click(decrement);
+    expect(number.value).toBe("2");
+    userEvent.click(decrement);
+    expect(number.value).toBe("2");
+  });
+
+  test("Start decrementing from the max value when it is less than 0", () => {
+    const { getByLabelText, getAllByRole } = render(
+      <DxcNumberInput label="Number input label" min={-10} max={-1} step={0.5} />
+    );
+    const number = getByLabelText("Number input label");
+    const decrement = getAllByRole("button")[0];
+    userEvent.click(decrement);
+    expect(number.value).toBe("-1");
+    userEvent.click(decrement);
+    expect(number.value).toBe("-1.5");
   });
 
   test("Increment and decrement the value with min, max and step using the arrows in keyboard", () => {
@@ -247,9 +348,10 @@ describe("Number input component tests", () => {
     expect(number.value).toBe("5");
   });
 
-  test("Number has correct accesibility attributes", () => {
+  test("Number has correct accessibility attributes", () => {
     const { getByLabelText, getAllByRole } = render(<DxcNumberInput label="Number input label" />);
     const number = getByLabelText("Number input label");
+    expect(number.getAttribute("type")).toBe("number");
     expect(number.getAttribute("aria-autocomplete")).toBeNull();
     expect(number.getAttribute("aria-controls")).toBeNull();
     expect(number.getAttribute("aria-expanded")).toBeNull();
@@ -259,7 +361,7 @@ describe("Number input component tests", () => {
     expect(increment.getAttribute("aria-label")).toBe("Increment value");
   });
 
-  test("Number input submits correct values in a form", () => {
+  test("Number input submits correct values inside a form and actions don't trigger the submit event", () => {
     const handlerOnSubmit = jest.fn((e) => {
       e.preventDefault();
       const formData = new FormData(e.target);

lib/src/number-input/NumberInput.tsx

@@ -1,9 +1,17 @@
 import React from "react";
 import styled from "styled-components";
 import DxcTextInput from "../text-input/TextInput";
-import NumberInputContext from "./NumberInputContext";
 import NumberInputPropsType, { RefType } from "./types";
 
+type NumberInputContextProps = {
+  typeNumber?: string;
+  minNumber?: number;
+  maxNumber?: number;
+  stepNumber?: number;
+};
+
+export const NumberInputContext = React.createContext<NumberInputContextProps | null>(null);
+
 const DxcNumberInput = React.forwardRef<RefType, NumberInputPropsType>(
   (
     {
@@ -29,34 +37,32 @@ const DxcNumberInput = React.forwardRef<RefType, NumberInputPropsType>(
       tabIndex,
     },
     ref
-  ) => {
-    return (
-      <NumberInputContext.Provider value={{ typeNumber: "number", minNumber: min, maxNumber: max, stepNumber: step }}>
-        <NumberInputContainer>
-          <DxcTextInput
-            label={label}
-            name={name}
-            defaultValue={defaultValue}
-            value={value}
-            helperText={helperText}
-            placeholder={placeholder}
-            disabled={disabled}
-            optional={optional}
-            prefix={prefix}
-            suffix={suffix}
-            error={error}
-            onChange={onChange}
-            onBlur={onBlur}
-            autocomplete={autocomplete}
-            margin={margin}
-            size={size}
-            tabIndex={tabIndex}
-            ref={ref}
-          />
-        </NumberInputContainer>
-      </NumberInputContext.Provider>
-    );
-  }
+  ) => (
+    <NumberInputContext.Provider value={{ typeNumber: "number", minNumber: min, maxNumber: max, stepNumber: step }}>
+      <NumberInputContainer>
+        <DxcTextInput
+          label={label}
+          name={name}
+          defaultValue={defaultValue}
+          value={value}
+          helperText={helperText}
+          placeholder={placeholder}
+          disabled={disabled}
+          optional={optional}
+          prefix={prefix}
+          suffix={suffix}
+          error={error}
+          onChange={onChange}
+          onBlur={onBlur}
+          autocomplete={autocomplete}
+          margin={margin}
+          size={size}
+          tabIndex={tabIndex}
+          ref={ref}
+        />
+      </NumberInputContainer>
+    </NumberInputContext.Provider>
+  )
 );
 
 const NumberInputContainer = styled.div`