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settings.test.js
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settings.test.js
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import settings from '../../../src/reducers/settings';
import actionTypes from '../../../src/actionTypes';
QUnit.module( 'reducers/settings' );
QUnit.test( '@@INIT', ( assert ) => {
const state = settings( undefined, { type: '@@INIT' } );
assert.deepEqual(
state,
{
shouldShow: false,
previewTypesEnabled: {},
showHelp: false,
shouldShowFooterLink: false
},
'The initial state doesn\'t show, doesn\'t show help, and doesn\'t show a footer link.'
);
} );
QUnit.test( 'BOOT with a single disabled popup type', ( assert ) => {
const action = {
type: actionTypes.BOOT,
initiallyEnabled: { page: false },
user: { isAnon: true }
};
assert.deepEqual(
settings( {}, action ).shouldShowFooterLink,
true,
'The boot state shows a footer link.'
);
action.user.isAnon = false;
assert.deepEqual(
settings( {}, action ).shouldShowFooterLink,
false,
'If the user is logged in, then it doesn\'t signal that the footer link should be shown.'
);
} );
QUnit.test( 'BOOT with multiple popup types', ( assert ) => {
const action = {
type: actionTypes.BOOT,
initiallyEnabled: { page: true, reference: null },
user: { isAnon: true }
};
assert.deepEqual(
settings( {}, action ).shouldShowFooterLink,
false,
'Footer link ignores unavailable popup types.'
);
action.initiallyEnabled.reference = true;
assert.deepEqual(
settings( {}, action ).shouldShowFooterLink,
false,
'Footer link is pointless when there is nothing to enable.'
);
action.initiallyEnabled.reference = false;
assert.deepEqual(
settings( {}, action ).shouldShowFooterLink,
true,
'Footer link appears when at least one popup type is disabled.'
);
} );
QUnit.test( 'REGISTER_SETTING that is disabled by default reveals footer link', ( assert ) => {
const REGISTER_SETTING_FOO_DISABLED = {
type: actionTypes.REGISTER_SETTING,
name: 'foo',
enabled: false
};
const newState = settings( {
previewTypesEnabled: {},
shouldShowFooterLink: false
}, REGISTER_SETTING_FOO_DISABLED );
assert.deepEqual(
newState.shouldShowFooterLink,
true,
'if one setting is registered as disabled, then the footer link is revealed.'
);
} );
QUnit.test( 'REGISTER_SETTING that is enabled by default should not show footer link', ( assert ) => {
const REGISTER_SETTING_FOO_ENABLED = {
type: actionTypes.REGISTER_SETTING,
name: 'foo',
enabled: true
};
const newState = settings( {
previewTypesEnabled: {},
shouldShowFooterLink: false
}, REGISTER_SETTING_FOO_ENABLED );
assert.deepEqual(
newState.previewTypesEnabled.foo,
true,
'previewTypesEnabled is updated'
);
} );
QUnit.test( 'SETTINGS_SHOW', ( assert ) => {
assert.deepEqual(
settings( {}, { type: actionTypes.SETTINGS_SHOW } ),
{
shouldShow: true,
showHelp: false
},
'It should mark the settings dialog as ready to be shown, with no help.'
);
} );
QUnit.test( 'SETTINGS_HIDE', ( assert ) => {
assert.deepEqual(
settings( {}, { type: actionTypes.SETTINGS_HIDE } ),
{
shouldShow: false,
showHelp: false
},
'It should mark the settings dialog as ready to be closed, and hide help.'
);
} );
QUnit.test( 'SETTINGS_CHANGE with page previews only', ( assert ) => {
const action = ( oldValue, newValue ) => ( {
type: actionTypes.SETTINGS_CHANGE,
oldValue: { page: oldValue },
newValue: { page: newValue }
} );
assert.deepEqual(
settings( {}, action( false, false ) ),
{ shouldShow: false },
'It should just hide the settings dialog when enabled state stays the same.'
);
assert.deepEqual(
settings( {}, action( true, true ) ),
{ shouldShow: false },
'It should just hide the settings dialog when enabled state stays the same.'
);
assert.deepEqual(
settings( {}, action( false, true ) ),
{
shouldShow: false,
showHelp: false,
shouldShowFooterLink: false
},
'It should hide the settings dialog and help when we enable.'
);
assert.deepEqual(
settings( {}, action( true, false ) ),
{
shouldShow: true,
showHelp: true,
shouldShowFooterLink: true
},
'It should keep the settings showing and show the help when we disable.'
);
} );
QUnit.test( 'SETTINGS_CHANGE with two preview types', ( assert ) => {
[
[
'All are disabled but nothing changed',
false, false, false, false,
{ shouldShow: false }
],
[
'All are enabled but nothing changed',
true, true, true, true,
{ shouldShow: false }
],
[
'One is enabled but nothing changed',
false, false, true, true,
{ shouldShow: false }
],
[
'Only one got disabled',
true, true, true, false,
{ shouldShow: true, showHelp: true, shouldShowFooterLink: true }
],
[
'One got disabled, the other enabled',
false, true, true, false,
{ shouldShow: true, showHelp: true, shouldShowFooterLink: true }
],
[
'Both got disabled',
true, false, true, false,
{ shouldShow: true, showHelp: true, shouldShowFooterLink: true }
],
[
'Only one got enabled',
false, false, false, true,
{ shouldShow: false, showHelp: false, shouldShowFooterLink: true }
],
[
'Both got enabled',
false, true, false, true,
{ shouldShow: false, showHelp: false, shouldShowFooterLink: false }
]
].forEach( ( [
message,
pageBefore,
pageAfter,
referenceBefore,
referenceAfter,
expected
] ) => {
assert.deepEqual(
settings( {}, {
type: actionTypes.SETTINGS_CHANGE,
oldValue: { page: pageBefore, reference: referenceBefore },
newValue: { page: pageAfter, reference: referenceAfter }
} ),
expected,
message
);
} );
} );

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