refacor: fix components in component antipattern to make tests more consistent

frontend/src/components/common/StudentSelectionForm.jsx

@@ -14,145 +14,98 @@ export const StudentSelectionForm = ({
   selectedStudentNumber,
   handleStudentNumberChange,
 }) => {
-  const SelectorWrapper = ({ label, children }) => (
-    <div style={{ padding: 20 }}>
-      <Typography variant="caption">{label}</Typography>
-      {children}
-    </div>
-  )
-
-  const ConfigurationSelect = ({
-    configurations,
-    selectedConfigurationId,
-    handleConfigurationChange,
-    handleGroupChange,
-    handleStudentNumberChange,
-  }) => {
-    return (
-      <Select
-        data-cy="configuration-selector"
-        value={selectedConfigurationId}
-        onChange={(e) => {
-          handleConfigurationChange(e.target.value)
-          handleGroupChange(0)
-          handleStudentNumberChange(0)
-        }}
-        MenuProps={{ style: { zIndex: 1600 } }}
-      >
-        <MenuItem key={0} className="configuration-menu-item" value={0} disabled>
-          Pick a configuration
-        </MenuItem>
-        {configurations.map((configuration) => (
-          <MenuItem
-            key={configuration.id}
-            className="configuration-menu-item"
-            value={configuration.id}
-          >
-            {configuration.name}
-          </MenuItem>
-        ))}
-      </Select>
-    )
-  }
-
   const GroupIsInConfiguration = (group, configurationId) => {
     return group.configurationId === configurationId
   }
 
-  const GroupSelect = ({ groups, selectedGroupId, handleGroupChange }) => {
-    return (
-      <Select
-        data-cy="group-selector"
-        value={selectedGroupId}
-        onChange={(e) => {
-          handleGroupChange(e.target.value)
-          handleStudentNumberChange(0)
-        }}
-        MenuProps={{ style: { zIndex: 1600 } }}
-      >
-        <MenuItem key={0} className="group-menu-item" value={0} disabled>
-          Pick a group
-        </MenuItem>
-        {groups
-          .filter((group) => GroupIsInConfiguration(group, selectedConfigurationId))
-          .map((group) => (
-            <MenuItem key={group.id} className="group-menu-item" value={group.id}>
-              {group.name}
-            </MenuItem>
-          ))}
-      </Select>
-    )
-  }
-
   const StudentIsInGroup = (student, group_id) => {
     return groups.find((g) => g.id === group_id)?.studentIds.includes(student.student_number)
   }
 
-  const StudentSelect = ({
-    selectedGroupId,
-    students,
-    selectedStudentNumber,
-    handleStudentNumberChange,
-  }) => {
-    return (
-      <Select
-        data-cy="student-selector"
-        value={selectedStudentNumber}
-        onChange={(e) => {
-          handleStudentNumberChange(e.target.value)
-        }}
-        disabled={!selectedGroupId}
-        MenuProps={{ style: { zIndex: 1600 } }}
-      >
-        <MenuItem key={0} className="student-menu-item" value={0}>
-          Pick a student
-        </MenuItem>
-        {students
-          .filter((student) => StudentIsInGroup(student, selectedGroupId))
-          .map((student) => (
-            <MenuItem
-              key={student.student_number}
-              className="student-menu-item"
-              value={student.student_number}
-            >
-              {student.first_names} {student.last_name}
-            </MenuItem>
-          ))}
-      </Select>
-    )
-  }
-
   return (
     <div>
       <div className="selector-container">
-        <SelectorWrapper label="Select configuration">
-          <ConfigurationSelect
-            configurations={configurations}
-            selectedConfigurationId={selectedConfigurationId}
-            handleConfigurationChange={handleConfigurationChange}
-            handleGroupChange={handleGroupChange}
-            handleStudentNumberChange={handleStudentNumberChange}
-          />
-        </SelectorWrapper>
+        <div style={{ padding: 20 }}>
+          <Typography variant="caption">Select configuration</Typography>
+          <Select
+            data-cy="configuration-selector"
+            value={selectedConfigurationId}
+            onChange={(e) => {
+              handleConfigurationChange(e.target.value)
+              handleGroupChange(0)
+              handleStudentNumberChange(0)
+            }}
+            MenuProps={{ style: { zIndex: 1600 } }}
+          >
+            <MenuItem key={0} className="configuration-menu-item" value={0} disabled>
+              Pick a configuration
+            </MenuItem>
+            {configurations.map((configuration) => (
+              <MenuItem
+                key={configuration.id}
+                className="configuration-menu-item"
+                value={configuration.id}
+              >
+                {configuration.name}
+              </MenuItem>
+            ))}
+          </Select>
+        </div>
+
         {selectedConfigurationId !== 0 && (
-          <SelectorWrapper label="Select group">
-            <GroupSelect
-              selectedGroupId={selectedGroupId}
-              handleGroupChange={handleGroupChange}
-              groups={groups}
-              handleStudentNumberChange={handleStudentNumberChange}
-            />
-          </SelectorWrapper>
+          <div style={{ padding: 20 }}>
+            <Typography variant="caption">Select group</Typography>
+            <Select
+              data-cy="group-selector"
+              value={selectedGroupId}
+              onChange={(e) => {
+                handleGroupChange(e.target.value)
+                handleStudentNumberChange(0)
+              }}
+              MenuProps={{ style: { zIndex: 1600 } }}
+            >
+              <MenuItem key={0} className="group-menu-item" value={0} disabled>
+                Pick a group
+              </MenuItem>
+              {groups
+                .filter((group) => GroupIsInConfiguration(group, selectedConfigurationId))
+                .map((group) => (
+                  <MenuItem key={group.id} className="group-menu-item" value={group.id}>
+                    {group.name}
+                  </MenuItem>
+                ))}
+            </Select>
+          </div>
         )}
+
         {selectedGroupId !== 0 && (
-          <SelectorWrapper label="Select student">
-            <StudentSelect
-              selectedGroupId={selectedGroupId}
-              selectedStudentNumber={selectedStudentNumber}
-              handleStudentNumberChange={handleStudentNumberChange}
-              students={students}
-            />
-          </SelectorWrapper>
+          <div style={{ padding: 20 }}>
+            <Typography variant="caption">Select student</Typography>
+            <Select
+              data-cy="student-selector"
+              value={selectedStudentNumber}
+              onChange={(e) => {
+                handleStudentNumberChange(e.target.value)
+              }}
+              disabled={!selectedGroupId}
+              MenuProps={{ style: { zIndex: 1600 } }}
+            >
+              <MenuItem key={0} className="student-menu-item" value={0}>
+                Pick a student
+              </MenuItem>
+              {students
+                .filter((student) => StudentIsInGroup(student, selectedGroupId))
+                .map((student) => (
+                  <MenuItem
+                    key={student.student_number}
+                    className="student-menu-item"
+                    value={student.student_number}
+                  >
+                    {student.first_names} {student.last_name}
+                  </MenuItem>
+                ))}
+            </Select>
+          </div>
         )}
       </div>
     </div>