feat(KFLUXUI-191): allow users to set context

Allows users to set context values, both in the edit
and create integration page.

By default the 'application' context should be selected
when creating a new integration test.

src/components/IntegrationTests/ContextSelectList.tsx

@@ -0,0 +1,216 @@
+import React, { useState } from 'react';
+import {
+  Select,
+  SelectOption,
+  SelectList,
+  MenuToggle,
+  MenuToggleElement,
+  ChipGroup,
+  Chip,
+  TextInputGroup,
+  TextInputGroupMain,
+  TextInputGroupUtilities,
+  Button,
+} from '@patternfly/react-core';
+import { TimesIcon } from '@patternfly/react-icons/dist/esm/icons/times-icon';
+import { ContextOption } from './utils';
+
+type ContextSelectListProps = {
+  allContexts: ContextOption[];
+  filteredContexts: ContextOption[];
+  onSelect: (contextName: string) => void;
+  inputValue: string;
+  onInputValueChange: (value: string) => void;
+  onRemoveAll: () => void;
+  editing: boolean;
+};
+
+export const ContextSelectList: React.FC<ContextSelectListProps> = ({
+  allContexts,
+  filteredContexts,
+  onSelect,
+  onRemoveAll,
+  inputValue,
+  onInputValueChange,
+  editing,
+}) => {
+  const [isOpen, setIsOpen] = useState(false);
+  const [focusedItemIndex, setFocusedItemIndex] = useState<number | null>(null);
+  const [activeItemId, setActiveItemId] = React.useState<string | null>(null);
+  const textInputRef = React.useRef<HTMLInputElement>();
+
+  const NO_RESULTS = 'No results found';
+
+  // Open the dropdown if the input value changes
+  React.useEffect(() => {
+    if (inputValue) {
+      setIsOpen(true);
+    }
+  }, [inputValue]);
+
+  // Utility function to create a unique item ID based on the context value
+  const createItemId = (value: string) => `select-multi-typeahead-${value.replace(' ', '-')}`;
+
+  // Set both the focused and active item for keyboard navigation
+  const setActiveAndFocusedItem = (itemIndex: number) => {
+    setFocusedItemIndex(itemIndex);
+    const focusedItem = filteredContexts[itemIndex];
+    setActiveItemId(createItemId(focusedItem.name));
+  };
+
+  // Reset focused and active items when the dropdown is closed or input is cleared
+  const resetActiveAndFocusedItem = () => {
+    setFocusedItemIndex(null);
+    setActiveItemId(null);
+  };
+
+  // Close the dropdown menu and reset focus states
+  const closeMenu = () => {
+    setIsOpen(false);
+    resetActiveAndFocusedItem();
+  };
+
+  // Handle the input field click event to toggle the dropdown
+  const onInputClick = () => {
+    if (!isOpen) {
+      setIsOpen(true);
+    } else if (!inputValue) {
+      closeMenu();
+    }
+  };
+
+  // Gets the index of the next element we want to focus on, based on the length of
+  // the filtered contexts and the arrow key direction.
+  const getNextFocusedIndex = (
+    currentIndex: number | null,
+    length: number,
+    direction: 'up' | 'down',
+  ) => {
+    if (direction === 'up') {
+      return currentIndex === null || currentIndex === 0 ? length - 1 : currentIndex - 1;
+    }
+    return currentIndex === null || currentIndex === length - 1 ? 0 : currentIndex + 1;
+  };
+
+  // Handle up/down arrow key navigation for the dropdown
+  const handleMenuArrowKeys = (key: string) => {
+    // If we're pressing the arrow keys, make sure the list is open.
+    if (!isOpen) {
+      setIsOpen(true);
+    }
+    const direction = key === 'ArrowUp' ? 'up' : 'down';
+    const indexToFocus = getNextFocusedIndex(focusedItemIndex, filteredContexts.length, direction);
+    setActiveAndFocusedItem(indexToFocus);
+  };
+
+  // Handle keydown events in the input field (e.g., Enter, Arrow keys)
+  const onInputKeyDown = (event: React.KeyboardEvent<HTMLInputElement>) => {
+    const focusedItem = focusedItemIndex !== null ? filteredContexts[focusedItemIndex] : null;
+
+    if (event.key === 'Enter' && focusedItem && focusedItem.name !== NO_RESULTS) {
+      onSelect(focusedItem.name);
+    }
+
+    if (['ArrowUp', 'ArrowDown'].includes(event.key)) {
+      handleMenuArrowKeys(event.key);
+    }
+  };
+
+  // Handle selection of a context from the dropdown
+  const handleSelect = (value: string) => {
+    onSelect(value);
+    textInputRef.current?.focus();
+  };
+
+  // Toggle the dropdown open/closed
+  const onToggleClick = () => {
+    setIsOpen(!isOpen);
+    textInputRef?.current?.focus();
+  };
+
+  // Handle changes to the input field value
+  const onTextInputChange = (_event: React.FormEvent<HTMLInputElement>, value: string) => {
+    // Update input value
+    onInputValueChange(value);
+    resetActiveAndFocusedItem();
+  };
+
+  const renderToggle = (toggleRef: React.Ref<MenuToggleElement>) => (
+    <MenuToggle
+      variant="typeahead"
+      aria-label="Multi typeahead menu toggle"
+      onClick={onToggleClick}
+      innerRef={toggleRef}
+      isExpanded={isOpen}
+      style={{ minWidth: '750px' } as React.CSSProperties}
+      data-test="context-dropdown-toggle"
+    >
+      <TextInputGroup isPlain>
+        <TextInputGroupMain
+          value={inputValue}
+          onChange={onTextInputChange}
+          onClick={onInputClick}
+          onKeyDown={onInputKeyDown}
+          data-test="multi-typeahead-select-input"
+          id="multi-typeahead-select-input"
+          autoComplete="off"
+          innerRef={textInputRef}
+          placeholder="Select a context"
+          {...(activeItemId && { 'aria-activedescendant': activeItemId })}
+          role="combobox"
+          isExpanded={isOpen}
+          aria-controls="select-multi-typeahead-listbox"
+        >
+          <ChipGroup>
+            {allContexts
+              .filter((ctx) => ctx.selected)
+              .map((ctx) => (
+                <Chip
+                  key={ctx.name}
+                  onClick={() => handleSelect(ctx.name)}
+                  data-test={`context-chip-${ctx.name}`}
+                >
+                  {ctx.name}
+                </Chip>
+              ))}
+          </ChipGroup>
+        </TextInputGroupMain>
+        {filteredContexts.some((ctx) => ctx.selected) && (
+          <TextInputGroupUtilities>
+            <Button variant="plain" onClick={onRemoveAll} data-test={'clear-button'}>
+              <TimesIcon aria-hidden />
+            </Button>
+          </TextInputGroupUtilities>
+        )}
+      </TextInputGroup>
+    </MenuToggle>
+  );
+
+  return (
+    <Select
+      isOpen={isOpen}
+      onSelect={(_event, value) => handleSelect(value as string)}
+      onOpenChange={closeMenu}
+      style={{ maxWidth: '750px' } as React.CSSProperties}
+      toggle={renderToggle}
+    >
+      <SelectList id="select-multi-typeahead-listbox" data-test={'context-option-select-list'}>
+        {filteredContexts.map((ctx, idx) => (
+          <SelectOption
+            id={ctx.name}
+            key={ctx.name}
+            isFocused={focusedItemIndex === idx}
+            value={ctx.name}
+            isSelected={ctx.selected}
+            description={ctx.description}
+            ref={null}
+            isDisabled={!editing && ctx.name === 'application'}
+            data-test={`context-option-${ctx.name}`}
+          >
+            {ctx.name}
+          </SelectOption>
+        ))}
+      </SelectList>
+    </Select>
+  );
+};

src/components/IntegrationTests/ContextsField.tsx

@@ -0,0 +1,115 @@
+import * as React from 'react';
+import { useParams } from 'react-router-dom';
+import { FormGroup } from '@patternfly/react-core';
+import { FieldArray, useField, FieldArrayRenderProps } from 'formik';
+import { getFieldId } from '../../../src/shared/components/formik-fields/field-utils';
+import { useComponents } from '../../hooks/useComponents';
+import { useWorkspaceInfo } from '../Workspace/useWorkspaceInfo';
+import { ContextSelectList } from './ContextSelectList';
+import {
+  ContextOption,
+  contextOptions,
+  mapContextsWithSelection,
+  addComponentContexts,
+} from './utils';
+
+interface IntegrationTestContextProps {
+  heading?: React.ReactNode;
+  fieldName: string;
+  editing: boolean;
+}
+
+const ContextsField: React.FC<IntegrationTestContextProps> = ({ heading, fieldName, editing }) => {
+  const { namespace, workspace } = useWorkspaceInfo();
+  const { applicationName } = useParams();
+  const [components, componentsLoaded] = useComponents(namespace, workspace, applicationName);
+  const [, { value: contexts }] = useField(fieldName);
+  const fieldId = getFieldId(fieldName, 'dropdown');
+  const [inputValue, setInputValue] = React.useState('');
+
+  // The names of the existing selected contexts.
+  const selectedContextNames: string[] = (contexts ?? []).map((c: ContextOption) => c.name);
+  // All the context options available to the user.
+  const allContexts = React.useMemo(() => {
+    let initialSelectedContexts = mapContextsWithSelection(selectedContextNames, contextOptions);
+    // If this is a new integration test, ensure that 'application' is selected by default
+    if (!editing && !selectedContextNames.includes('application')) {
+      initialSelectedContexts = initialSelectedContexts.map((ctx) => {
+        return ctx.name === 'application' ? { ...ctx, selected: true } : ctx;
+      });
+    }
+
+    // If we have components and they are loaded, add to context option list.
+    // Else, return the base context list.
+    return componentsLoaded && components
+      ? addComponentContexts(initialSelectedContexts, selectedContextNames, components)
+      : initialSelectedContexts;
+  }, [componentsLoaded, components, selectedContextNames, editing]);
+
+  // This holds the contexts that are filtered using the user input value.
+  const filteredContexts = React.useMemo(() => {
+    if (inputValue) {
+      const filtered = allContexts.filter((ctx) =>
+        ctx.name.toLowerCase().includes(inputValue.toLowerCase()),
+      );
+      return filtered.length
+        ? filtered
+        : [{ name: 'No results found', description: 'Please try another value.', selected: false }];
+    }
+    return allContexts;
+  }, [inputValue, allContexts]);
+
+  /**
+   * React callback that is used to select or deselect a context option using Formik FieldArray array helpers.
+   * If the context exists and it's been selected, remove from array.
+   * Else push to the Formik FieldArray array.
+   */
+  const handleSelect = React.useCallback(
+    (arrayHelpers: FieldArrayRenderProps, contextName: string) => {
+      const currentContext: ContextOption = allContexts.find(
+        (ctx: ContextOption) => ctx.name === contextName,
+      );
+      const isSelected = currentContext && currentContext.selected;
+      const index: number = contexts.findIndex((c: ContextOption) => c.name === contextName);
+
+      if (isSelected && index !== -1) {
+        arrayHelpers.remove(index); // Deselect
+      } else if (!isSelected) {
+        // Select, add necessary data
+        arrayHelpers.push({ name: contextName, description: currentContext.description });
+      }
+    },
+    [contexts, allContexts],
+  );
+
+  // Handles unselecting all the contexts
+  const handleRemoveAll = async (arrayHelpers: FieldArrayRenderProps) => {
+    // Clear all selections
+    await arrayHelpers.form.setFieldValue(fieldName, []);
+  };
+
+  return (
+    <FormGroup fieldId={fieldId} label={heading ?? 'Contexts'} style={{ maxWidth: '750px' }}>
+      {componentsLoaded && components ? (
+        <FieldArray
+          name={fieldName}
+          render={(arrayHelpers) => (
+            <ContextSelectList
+              allContexts={allContexts}
+              filteredContexts={filteredContexts}
+              onSelect={(contextName: string) => handleSelect(arrayHelpers, contextName)}
+              inputValue={inputValue}
+              onInputValueChange={setInputValue}
+              onRemoveAll={() => handleRemoveAll(arrayHelpers)}
+              editing={editing}
+            />
+          )}
+        />
+      ) : (
+        'Loading Additional Component Context options'
+      )}
+    </FormGroup>
+  );
+};
+
+export default ContextsField;

src/components/IntegrationTests/IntegrationTestForm/IntegrationTestSection.tsx

@@ -9,6 +9,7 @@ import {
 import { useField } from 'formik';
 import { CheckboxField, InputField } from 'formik-pf';
 import { RESOURCE_NAME_REGEX_MSG } from '../../../utils/validation-utils';
+import ContextsField from '../ContextsField';
 import FormikParamsField from '../FormikParamsField';
 
 type Props = { isInPage?: boolean; edit?: boolean };
@@ -68,6 +69,7 @@ const IntegrationTestSection: React.FC<React.PropsWithChildren<Props>> = ({ isIn
           data-test="git-path-repo"
           required
         />
+        <ContextsField fieldName="integrationTest.contexts" editing={edit} />
         <FormikParamsField fieldName="integrationTest.params" />
 
         <CheckboxField

src/components/IntegrationTests/IntegrationTestForm/IntegrationTestView.tsx

@@ -1,7 +1,7 @@
 import React from 'react';
 import { useNavigate } from 'react-router-dom';
 import { Formik } from 'formik';
-import { IntegrationTestScenarioKind } from '../../../types/coreBuildService';
+import { IntegrationTestScenarioKind, Context } from '../../../types/coreBuildService';
 import { useTrackEvent, TrackEvents } from '../../../utils/analytics';
 import { useWorkspaceInfo } from '../../Workspace/useWorkspaceInfo';
 import IntegrationTestForm from './IntegrationTestForm';
@@ -52,13 +52,27 @@ const IntegrationTestView: React.FunctionComponent<
     return formParams;
   };
 
+  interface FormContext {
+    name: string;
+    description: string;
+  }
+
+  const getFormContextValus = (contexts: Context[] | null | undefined): FormContext[] => {
+    if (!contexts?.length) return [];
+
+    return contexts.map((context) => {
+      return context.name ? { name: context.name, description: context.description } : context;
+    });
+  };
+
   const initialValues = {
     integrationTest: {
       name: integrationTest?.metadata.name ?? '',
       url: url?.value ?? '',
       revision: revision?.value ?? '',
       path: path?.value ?? '',
       params: getFormParamValues(integrationTest?.spec?.params),
+      contexts: getFormContextValus(integrationTest?.spec?.contexts),
       optional:
         integrationTest?.metadata.labels?.[IntegrationTestLabels.OPTIONAL] === 'true' ?? false,
     },

src/components/IntegrationTests/IntegrationTestForm/__tests__/IntegrationTestSection.spec.tsx

@@ -7,6 +7,10 @@ const navigateMock = jest.fn();
 jest.mock('react-router-dom', () => ({
   Link: (props) => <a href={props.to}>{props.children}</a>,
   useNavigate: () => navigateMock,
+  // Used in ContextsField
+  useParams: jest.fn(() => ({
+    appName: 'test-app',
+  })),
 }));
 
 jest.mock('react-i18next', () => ({