test(flags): add collect test

packages/flags/test/option/collect_test.ts

@@ -0,0 +1,102 @@
+import { parseFlags } from '../../lib/flags.ts';
+import { IParseOptions, OptionType } from '../../lib/types.ts';
+import { assertEquals, assertThrows } from '../lib/assert.ts';
+
+const options = <IParseOptions>{
+    allowEmpty: false,
+    flags: [ {
+        name: 'flag',
+        aliases: [ 'f' ],
+        type: OptionType.STRING,
+        optionalValue: true
+    }, {
+        name: 'string',
+        aliases: [ 's' ],
+        type: OptionType.STRING,
+        collect: true
+    }, {
+        name: 'boolean',
+        aliases: [ 'b' ],
+        type: OptionType.BOOLEAN,
+        collect: true
+    }, {
+        name: 'number',
+        aliases: [ 'n' ],
+        type: OptionType.NUMBER,
+        collect: true
+    } ]
+};
+
+Deno.test( function flags_optionCollect_flag() {
+
+    assertThrows(
+        () => parseFlags( [ '-f', '-f' ], options ),
+        Error,
+        'Duplicate option: -f'
+    );
+} );
+
+Deno.test( function flags_optionCollect_flagLong() {
+
+    assertThrows(
+        () => parseFlags( [ '-f', '--flag' ], options ),
+        Error,
+        'Duplicate option: --flag'
+    );
+} );
+
+Deno.test( function flags_optionCollect_flagTrueLongFalse() {
+
+    assertThrows(
+        () => parseFlags( [ '-f', 'true', '--flag', 'false' ], options ),
+        Error,
+        'Duplicate option: --flag'
+    );
+} );
+
+Deno.test( function flags_optionCollect_flagTrueNoFlag() {
+
+    assertThrows(
+        () => parseFlags( [ '-f', 'true', '--no-flag' ], options ),
+        Error,
+        'Duplicate option: --no-flag'
+    );
+} );
+
+Deno.test( function flags_optionCollect_flagTrueNoFlagTrue() {
+
+    assertThrows(
+        () => parseFlags( [ '-f', 'true', '--no-flag', 'true' ], options ),
+        Error,
+        'Duplicate option: --no-flag'
+    );
+} );
+
+Deno.test( function flags_optionCollect_boolean() {
+
+    const { flags, unknown, literal } = parseFlags( [ '-b', '1', '--boolean', '0' ], options );
+
+    assertEquals( flags, { boolean: [ true, false ] } );
+    assertEquals( unknown, [] );
+    assertEquals( literal, [] );
+} );
+
+Deno.test( function flags_optionCollect_string() {
+
+    const { flags, unknown, literal } = parseFlags( [ '-s', '1', '--string', '0' ], options );
+
+    assertEquals( flags, { string: [ '1', '0' ] } );
+    assertEquals( unknown, [] );
+    assertEquals( literal, [] );
+} );
+
+Deno.test( function flags_optionCollect_number() {
+
+    const { flags, unknown, literal } = parseFlags( [ '-n', '1', '--number', '0' ], options );
+
+    assertEquals( flags, { number: [ 1, 0 ] } );
+    assertEquals( unknown, [] );
+    assertEquals( literal, [] );
+} );
+
+await Deno.runTests();