feat: persist pane sizes and fix resizing bug

packages/runner-ct/cypress/component/RunnerCt.spec.tsx

@@ -7,15 +7,27 @@ import '@packages/runner/src/main.scss'
 
 const selectors = {
   reporter: '[data-cy=reporter]',
+  noSpecSelectedReporter: '[data-cy=no-spec-selected-reporter]',
   specsList: '[data-cy=specs-list]',
   searchInput: 'input[placeholder="Find spec..."]',
 }
 
+interface Overrides {
+  saveState?: Function
+}
+
+const noop = () => {}
+
 class FakeEventManager {
-  start = () => { }
-  on = () => { }
-  stop = () => {}
-  notifyRunningSpec = () => { }
+  constructor (overrides: Overrides = {}) {
+    this.saveState = overrides.saveState || noop
+  }
+
+  start = noop
+  on = noop
+  stop = noop
+  notifyRunningSpec = noop
+  saveState: Function = () => { }
 }
 
 const fakeConfig = { projectName: 'Project', env: {}, isTextTerminal: false } as any as Cypress.RuntimeConfigOptions
@@ -58,30 +70,43 @@ describe('RunnerCt', () => {
   })
 
   context('keyboard shortcuts', () => {
-    beforeEach(() => {
+    it('toggles specs list drawer using shortcut', () => {
+      const saveState = cy.stub()
+
       mount(
         <RunnerCt
           state={makeState()}
           // @ts-ignore - this is difficult to stub. Real one breaks things.
-          eventManager={new FakeEventManager()}
+          eventManager={new FakeEventManager({ saveState })}
           config={fakeConfig}
         />,
       )
 
       cy.window().then((win) => win.focus())
-    })
-
-    it('toggles specs list drawer using shortcut', () => {
       cy.get(selectors.specsList).should('be.visible')
 
       cy.realPress(['Meta', 'B'])
-      cy.get(selectors.specsList).should('not.be.visible')
+      cy.get(selectors.specsList).should('not.be.visible').then(() => {
+        expect(saveState).to.have.been.calledWith({ ctIsSpecsListOpen: false })
+      })
 
       cy.realPress(['Meta', 'B'])
-      cy.get(selectors.specsList).should('be.visible')
+      cy.get(selectors.specsList).should('be.visible').then(() => {
+        expect(saveState).to.have.been.calledWith({ ctIsSpecsListOpen: false }),
+        expect(saveState).to.have.been.calledWith({ ctIsSpecsListOpen: true })
+      })
     })
 
     it('focuses the search field on "/"', () => {
+      mount(
+        <RunnerCt
+          state={makeState()}
+          // @ts-ignore - this is difficult to stub. Real one breaks things.
+          eventManager={new FakeEventManager()}
+          config={fakeConfig}
+        />,
+      )
+
       cy.realPress('/')
       cy.get(selectors.searchInput).should('be.focused')
     })
@@ -95,7 +120,7 @@ describe('RunnerCt', () => {
         eventManager={new FakeEventManager()}
         config={fakeConfig} />)
 
-      cy.get(selectors.reporter).should('not.be.visible')
+      cy.get(selectors.noSpecSelectedReporter).should('exist')
       cy.percySnapshot()
     })
   })

packages/runner-ct/src/app/ReporterContainer.tsx

@@ -20,7 +20,7 @@ export const ReporterContainer = observer(
   function ReporterContainer (props: ReporterContainerProps) {
     if (!props.state.spec) {
       return (
-        <div className='no-spec' data-cy="reporter">
+        <div className='no-spec' data-cy="no-spec-selected-reporter">
           <NoSpecSelected />
         </div>
       )

packages/runner-ct/src/app/RunnerCt.tsx

@@ -95,9 +95,9 @@ const App: React.FC<AppProps> = observer(
     }, [])
 
     React.useEffect(() => {
-      const isOpenMode = !config.isTextTerminal
-
-      state.setIsSpecsListOpen(isOpenMode)
+      if (config.isTextTerminal) {
+        state.setIsSpecsListOpen(false)
+      }
     }, [])
 
     useScreenshotHandler({
@@ -124,7 +124,10 @@ const App: React.FC<AppProps> = observer(
           type: 'js',
           onClick: ({ index }) => {
             onNavItemClick(index)
-            state.setIsSpecsListOpen(!props.state.isSpecsListOpen)
+            const isOpen = !props.state.isSpecsListOpen
+
+            state.setIsSpecsListOpen(isOpen)
+            props.eventManager.saveState({ ctIsSpecsListOpen: isOpen })
           },
         },
       },
@@ -150,7 +153,10 @@ const App: React.FC<AppProps> = observer(
 
     function toggleSpecsList () {
       setActiveIndex((val) => val === 0 ? undefined : 0)
-      state.setIsSpecsListOpen(!props.state.isSpecsListOpen)
+      const newVal = !props.state.isSpecsListOpen
+
+      state.setIsSpecsListOpen(newVal)
+      props.eventManager.saveState({ ctIsSpecsListOpen: newVal })
     }
 
     function focusSpecsList () {
@@ -179,6 +185,12 @@ const App: React.FC<AppProps> = observer(
       state.updateSpecListWidth(newWidth)
     }
 
+    function persistWidth (prop: 'ctReporterWidth' | 'ctSpecListWidth') {
+      return (newWidth: number) => {
+        props.eventManager.saveState({ [prop]: newWidth })
+      }
+    }
+
     function hideIfScreenshotting (callback: () => number) {
       if (state.screenshotting) {
         return 0
@@ -218,6 +230,21 @@ const App: React.FC<AppProps> = observer(
         <KeyboardHelper />
       )
 
+    const MainAreaComponent: React.FC | typeof SplitPane = props.state.spec
+      ? SplitPane
+      : (props) => <div>{props.children}</div>
+
+    const mainAreaProps = props.state.spec
+      ? {
+        split: 'vertical',
+        minSize: hideReporterIfNecessary(() => 100),
+        maxSize: hideReporterIfNecessary(() => 600),
+        defaultSize: hideReporterIfNecessary(() => state.reporterWidth),
+        className: 'primary',
+        onChange: debounce(onReporterSplitPaneChange),
+      }
+      : {}
+
     return (
       <SplitPane
         split="vertical"
@@ -229,10 +256,10 @@ const App: React.FC<AppProps> = observer(
         {leftNav}
         <SplitPane
           split="vertical"
-          // do not allow resizing of this for now, simplifes calculation for scale of AUT.
           minSize={hideIfScreenshotting(() => state.isSpecsListOpen ? 30 : 0)}
           maxSize={hideIfScreenshotting(() => state.isSpecsListOpen ? 600 : 0)}
-          defaultSize={hideIfScreenshotting(() => state.isSpecsListOpen ? DEFAULT_LIST_WIDTH : 0)}
+          defaultSize={hideIfScreenshotting(() => state.isSpecsListOpen ? state.specListWidth : 0)}
+          onDragFinished={persistWidth('ctSpecListWidth')}
           className="primary"
           // @ts-expect-error split-pane ref types are weak so we are using our custom type for ref
           ref={splitPaneRef}
@@ -250,15 +277,7 @@ const App: React.FC<AppProps> = observer(
             }
             onSelectSpec={runSpec}
           />
-
-          <SplitPane
-            split="vertical"
-            minSize={hideReporterIfNecessary(() => 100)}
-            maxSize={hideReporterIfNecessary(() => 600)}
-            defaultSize={hideReporterIfNecessary(() => DEFAULT_REPORTER_WIDTH)}
-            className="primary"
-            onChange={debounce(onReporterSplitPaneChange)}
-          >
+          <MainAreaComponent {...mainAreaProps}>
             <ReporterContainer
               state={props.state}
               config={props.config}
@@ -271,7 +290,7 @@ const App: React.FC<AppProps> = observer(
               allowResize={props.state.isAnyDevtoolsPluginOpen}
               size={hideIfScreenshotting(() =>
                 state.isAnyDevtoolsPluginOpen
-                  ? DEFAULT_PLUGINS_HEIGHT
+                  ? state.pluginsHeight
                   // show the small not resize-able panel with buttons or nothing
                   : state.isAnyPluginToShow ? PLUGIN_BAR_HEIGHT : 0)}
               onChange={debounce(onPluginsSplitPaneChange)}
@@ -296,9 +315,8 @@ const App: React.FC<AppProps> = observer(
                 pluginRootContainer={pluginRootContainer}
               />
             </SplitPane>
-          </SplitPane>
+          </MainAreaComponent>
         </SplitPane>
-
       </SplitPane>
     )
   },

packages/runner-ct/src/lib/state.ts

@@ -136,9 +136,10 @@ export default class State {
     multiSpecs = [],
     reporterWidth = DEFAULT_REPORTER_WIDTH,
     specListWidth = DEFAULT_LIST_WIDTH,
+    isSpecsListOpen = true,
   }) {
     this.reporterWidth = reporterWidth
-    this.pluginsHeight = PLUGIN_BAR_HEIGHT
+    this.isSpecsListOpen = isSpecsListOpen
     this.spec = spec
     this.specs = specs
     this.specListWidth = specListWidth

packages/runner-ct/src/main.jsx

@@ -31,7 +31,12 @@ const Runner = {
 
       configState.specs = config.specs
 
-      const state = new State(configState)
+      const ctRunnerSpecificDefaults = {
+        reporterWidth: config.state.ctReporterWidth,
+        isSpecsListOpen: config.state.ctIsSpecsListOpen,
+        specListWidth: config.state.ctSpecListWidth,
+      }
+      const state = new State({ ...configState, ...ctRunnerSpecificDefaults })
 
       const setSpecByUrlHash = () => {
         const specPath = util.specPath()

packages/server/lib/saved_state.js

@@ -25,6 +25,9 @@ reporterWidth
 showedOnBoardingModal
 showedStudioModal
 preferredOpener
+ctReporterWidth
+ctIsSpecsListOpen
+ctSpecListWidth
 `.trim().split(/\s+/)
 
 const formStatePath = (projectRoot) => {