test: add e2e suite for core comparison flows

Adds 17 new specs across six files plus the supporting POM infrastructure: - fixtures with auto-opened comparison + typography helpers - TypographyMenu POM reading values from ComboControl aria-labels - ComparisonPage extended with side selection, font picking, slider-value reader, FontFaceSet inspection, storage snapshot - compare-flow: A/B selection, aria-pressed state, storage write - preview-text: input binding + slider character rendering - slider: keyboard ARIA contract (Arrow / Shift+Arrow / Page / Home / End) - font-loading: FontFaceSet contains selected, excludes unrelated - persistence: font selection + typography settings survive reload - typography: symmetric increase/decrease for all four controls
2026-05-28 15:52:40 +03:00
parent b9e21a66d3
commit 24f084ae77
9 changed files with 429 additions and 0 deletions
@@ -0,0 +1,73 @@
+import type {
+    Locator,
+    Page,
+} from '@playwright/test';
+
+/**
+ * Typography settings menu — desktop layout exposes inline ComboControls with
+ * increase/decrease buttons. The current value is encoded in the trigger
+ * button's aria-label as `${controlLabel}: ${value}` (e.g. "Size: 24").
+ */
+export type TypographyControl = 'size' | 'weight' | 'leading' | 'tracking';
+
+const LABELS: Record<TypographyControl, { increase: string; decrease: string; trigger: string }> = {
+    size: {
+        increase: 'Increase Font Size',
+        decrease: 'Decrease Font Size',
+        trigger: 'Size',
+    },
+    weight: {
+        increase: 'Increase Font Weight',
+        decrease: 'Decrease Font Weight',
+        trigger: 'Weight',
+    },
+    leading: {
+        increase: 'Increase Line Height',
+        decrease: 'Decrease Line Height',
+        trigger: 'Leading',
+    },
+    tracking: {
+        increase: 'Increase Letter Spacing',
+        decrease: 'Decrease Letter Spacing',
+        trigger: 'Tracking',
+    },
+};
+
+export class TypographyMenu {
+    constructor(private readonly page: Page) {}
+
+    increase(control: TypographyControl): Locator {
+        return this.page.getByRole('button', { name: LABELS[control].increase });
+    }
+
+    decrease(control: TypographyControl): Locator {
+        return this.page.getByRole('button', { name: LABELS[control].decrease });
+    }
+
+    /**
+     * Trigger button whose aria-label encodes the current value, e.g. "Size: 24".
+     */
+    trigger(control: TypographyControl): Locator {
+        return this.page.getByRole('button', { name: new RegExp(`^${LABELS[control].trigger}:\\s`) });
+    }
+
+    /**
+     * Parse the numeric value out of the trigger button's aria-label.
+     * Returns null if the label can't be read yet.
+     */
+    async readValue(control: TypographyControl): Promise<number | null> {
+        const label = await this.trigger(control).getAttribute('aria-label');
+        if (!label) {
+            return null;
+        }
+        const match = label.match(/:\s*(-?\d+(?:\.\d+)?)/);
+        return match ? Number(match[1]) : null;
+    }
+
+    async bump(control: TypographyControl, direction: 'up' | 'down', times = 1) {
+        const button = direction === 'up' ? this.increase(control) : this.decrease(control);
+        for (let i = 0; i < times; i++) {
+            await button.click();
+        }
+    }
+}