datetime vs datetime, number vs datetime, datetime vs number

Author: danielcobej

lib/matplotlib/tests/test_datetime.py

@@ -53,32 +53,39 @@ def test_axvline(self):
     @mpl.style.context("default")
     def test_axvspan(self):
         mpl.rcParams["date.converter"] = 'concise'
-        np.random.seed(19680801)
 
         start_date = datetime.datetime(2023, 1, 1)
-        time_delta = datetime.timedelta(days=1)
-
-        values1 = np.random.randint(1, 10, 30)
-        values2 = np.random.randint(1, 10, 30)
-        values3 = np.random.randint(1, 10, 30)
-
-        bin_edges = [start_date + i * time_delta for i in range(31)]
-
-        fig, (ax1, ax2, ax3) = plt.subplots(3, 1, constrained_layout=True)
-
-        axes = [ax1, ax2, ax3]
-        values_list = [values1, values2, values3]
-
-        for ax, values in zip(axes, values_list):
-            ax.hist(
-                [start_date + i * time_delta for i in range(30)],
-                bins=bin_edges,
-                weights=values
-            )
-            for i in range(np.random.randint(1, 5)):
-                xmin = start_date + np.random.randint(0, 30) * time_delta
-                xmax = xmin + np.random.randint(1, 3) * time_delta
-                ax.axvspan(xmin=xmin, xmax=xmax, facecolor='green', alpha=0.5)
+        dates = [start_date + datetime.timedelta(days=i) for i in range(31)]
+        numbers = list(range(1, 32))
+
+        fig, (ax1, ax2, ax3) = plt.subplots(3, 1,
+                                            constrained_layout=True,
+                                            figsize=(10, 12))
+
+        ax1.plot(dates, numbers, marker='o', color='blue')
+        for i in range(0, 31, 2):
+            xmin = start_date + datetime.timedelta(days=i)
+            xmax = xmin + datetime.timedelta(days=1)
+            ax1.axvspan(xmin=xmin, xmax=xmax, facecolor='red', alpha=0.5)
+        ax1.set_title('Datetime vs. Number')
+        ax1.set_xlabel('Date')
+        ax1.set_ylabel('Number')
+
+        ax2.plot(numbers, dates, marker='o', color='blue')
+        for i in range(0, 31, 2):
+            ax2.axvspan(xmin=i+1, xmax=i+2, facecolor='red', alpha=0.5)
+        ax2.set_title('Number vs. Datetime')
+        ax2.set_xlabel('Number')
+        ax2.set_ylabel('Date')
+
+        ax3.plot(dates, dates, marker='o', color='blue')
+        for i in range(0, 31, 2):
+            xmin = start_date + datetime.timedelta(days=i)
+            xmax = xmin + datetime.timedelta(days=1)
+            ax3.axvspan(xmin=xmin, xmax=xmax, facecolor='red', alpha=0.5)
+        ax3.set_title('Datetime vs. Datetime')
+        ax3.set_xlabel('Date')
+        ax3.set_ylabel('Date')
 
     @pytest.mark.xfail(reason="Test for bar not written yet")
     @mpl.style.context("default")