fix(ui5-input): Suggestions count is read out when expected (#3127)

On accessing the ui5-input web component, the suggestions count should not be read out.
It is expected to be read out, once the suggestions are opened or after entering a value.

FIXES: #3051

packages/main/src/Input.js

@@ -1080,14 +1080,10 @@ class Input extends UI5Element {
 		return this.hasValueState ? `${this._id}-valueStateDesc` : "";
 	}
 
-	get suggestionsCount() {
-		return this.showSuggestions ? `${this._id}-suggestionsCount` : "";
-	}
-
 	get accInfo() {
 		const ariaHasPopupDefault = this.showSuggestions ? "true" : undefined;
 		const ariaAutoCompleteDefault = this.showSuggestions ? "list" : undefined;
-		const ariaDescribedBy = this._inputAccInfo.ariaDescribedBy ? `${this.suggestionsTextId} ${this.valueStateTextId} ${this.suggestionsCount} ${this._inputAccInfo.ariaDescribedBy}`.trim() : `${this.suggestionsTextId} ${this.valueStateTextId} ${this.suggestionsCount}`.trim();
+		const ariaDescribedBy = this._inputAccInfo.ariaDescribedBy ? `${this.suggestionsTextId} ${this.valueStateTextId} ${this._inputAccInfo.ariaDescribedBy}`.trim() : `${this.suggestionsTextId} ${this.valueStateTextId}`.trim();
 
 		return {
 			"input": {
@@ -1200,7 +1196,7 @@ class Input extends UI5Element {
 	}
 
 	get availableSuggestionsCount() {
-		if (this.showSuggestions) {
+		if (this.showSuggestions && (this.value || this.Suggestions.isOpened())) {
 			switch (this.suggestionsTexts.length) {
 			case 0:
 				return this.i18nBundle.getText(INPUT_SUGGESTIONS_NO_HIT);

packages/main/src/MultiInput.js

@@ -280,7 +280,7 @@ class MultiInput extends Input {
 	}
 
 	get accInfo() {
-		const ariaDescribedBy = `${this._tokensCountTextId} ${this.suggestionsTextId} ${this.valueStateTextId} ${this.suggestionsCount}`.trim();
+		const ariaDescribedBy = `${this._tokensCountTextId} ${this.suggestionsTextId} ${this.valueStateTextId}`.trim();
 		return {
 			"input": {
 				...super.accInfo.input,

packages/main/test/specs/Input.spec.js

@@ -458,4 +458,32 @@ describe("Input general interaction", () => {
 		assert.notOk(popover.isDisplayedInViewport(), "The popover is not visible");
 		assert.ok(dialog.isDisplayedInViewport(), "The dialog is opened.");
 	});
+
+	it("Suggestions count should be read out when necessary", () => {
+		browser.url(`http://localhost:${PORT}/test-resources/pages/Input.html`);
+
+		const inputDynamicSuggestions = $("#inputCompact");
+		const inputSuggestions = $("#myInput2");
+		const dynamicSuggestionsInnerInput = inputDynamicSuggestions.shadow$("input");
+		const dynamicSuggestionsCount = inputDynamicSuggestions.shadow$(`#${inputDynamicSuggestions.getProperty("_id")}-suggestionsCount`);
+		const suggestionsCount = inputSuggestions.shadow$(`#${inputSuggestions.getProperty("_id")}-suggestionsCount`);
+
+		//act
+		dynamicSuggestionsInnerInput.click();
+
+		//assert
+		assert.strictEqual(dynamicSuggestionsCount.getText(), "", "Suggestions count is not available");
+
+		//act
+		dynamicSuggestionsInnerInput.keys("c");
+
+		//assert
+		assert.strictEqual(dynamicSuggestionsCount.getText(), "4 results are available", "Suggestions count is available since value is entered");
+		dynamicSuggestionsInnerInput.keys("Backspace");
+		//act
+		inputSuggestions.click();
+
+		//assert
+		assert.strictEqual(suggestionsCount.getText(), "5 results are available", "Suggestions count is available since the suggestions popover is opened");
+	});
 });

packages/main/test/specs/MultiInput.spec.js

@@ -175,8 +175,7 @@ describe("ARIA attributes", () => {
 		const innerInput = mi.shadow$("input");
 		const tokensCountITextId = `${mi.getProperty("_id")}-hiddenText-nMore`;
 		const suggestionsITextId = `${mi.getProperty("_id")}-suggestionsText`;
-		const suggestionsCountITextId = `${mi.getProperty("_id")}-suggestionsCount`;
-		const ariaDescribedBy = `${tokensCountITextId} ${suggestionsITextId}  ${suggestionsCountITextId}`;
+		const ariaDescribedBy = `${tokensCountITextId} ${suggestionsITextId}`;
 
 		$("#suggestion-token").scrollIntoView();
 		innerInput.click();