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authorF. Eugene Aumson <gene@aumson.org>2018-07-02 05:54:48 +0800
committerF. Eugene Aumson <gene@aumson.org>2018-07-09 22:56:18 +0800
commit9f08916cf18ad3e2686811933116122eea0890b9 (patch)
tree2bf83026f22043ae059dd9c2fdbbb8eea73c7b60 /packages/abi-gen/test
parenta0e3676e3aef4692732375c02c274223b3349f63 (diff)
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add tests of abi-gen
Diffstat (limited to 'packages/abi-gen/test')
-rw-r--r--packages/abi-gen/test/utils_test.ts86
1 files changed, 86 insertions, 0 deletions
diff --git a/packages/abi-gen/test/utils_test.ts b/packages/abi-gen/test/utils_test.ts
new file mode 100644
index 000000000..c6147df38
--- /dev/null
+++ b/packages/abi-gen/test/utils_test.ts
@@ -0,0 +1,86 @@
+import * as chai from 'chai';
+import * as dirtyChai from 'dirty-chai';
+import * as fs from 'fs';
+import 'mocha';
+import * as sleep from 'sleep';
+import * as tmp from 'tmp';
+
+import { utils } from '../src/utils';
+
+tmp.setGracefulCleanup(); // remove tmp files even if there are failures
+
+chai.use(dirtyChai);
+
+const expect = chai.expect;
+
+const SLEEP_MS = 10; // time to wait before re-timestamping a file
+
+describe('makeOutputFileName()', () => {
+ it('should handle Metacoin usage', () => {
+ expect(utils.makeOutputFileName('Metacoin')).to.equal('metacoin');
+ });
+ it('should handle special zrx_token case', () => {
+ expect(utils.makeOutputFileName('ZRXToken')).to.equal('zrx_token');
+ });
+ it('should handle special erc_token case', () => {
+ expect(utils.makeOutputFileName('ERC20Token')).to.equal('erc20_token');
+ });
+});
+
+describe('writeOutputFile()', () => {
+ let tempFilePath: string;
+ before(() => {
+ tempFilePath = tmp.fileSync(
+ { discardDescriptor: true }, // close file (so we can update it)
+ ).name;
+ });
+ it('should write content to output file', () => {
+ const content = 'hello world';
+
+ utils.writeOutputFile(tempFilePath, content);
+
+ expect(fs.readFileSync(tempFilePath).toString()).to.equal(content);
+ });
+});
+
+describe('isOutputFileUpToDate()', () => {
+ it('should throw ENOENT when there is no abi file', () => {
+ expect(utils.isOutputFileUpToDate.bind('nonexistant1', 'nonexistant2')).to.throw('ENOENT');
+ });
+
+ describe('when the abi input file exists', () => {
+ let abiFile: string;
+ before(() => {
+ abiFile = tmp.fileSync(
+ { discardDescriptor: true }, // close file (set timestamp)
+ ).name;
+ });
+
+ describe('without an existing output file', () => {
+ it('should return false', () => {
+ expect(utils.isOutputFileUpToDate(abiFile, 'nonexistant_file')).to.be.false();
+ });
+ });
+
+ describe('with an existing output file', () => {
+ let outputFile: string;
+ before(() => {
+ sleep.msleep(SLEEP_MS); // to ensure different timestamp
+ outputFile = tmp.fileSync(
+ { discardDescriptor: true }, // close file (set timestamp)
+ ).name;
+ });
+
+ it('should return true when output file and is newer than abi file', async () => {
+ expect(utils.isOutputFileUpToDate(abiFile, outputFile)).to.be.true();
+ });
+
+ it('should return false when output file exists but is older than abi file', () => {
+ sleep.msleep(SLEEP_MS); // to ensure different timestamp
+ fs.closeSync(fs.openSync(abiFile, 'w')); // touch abi file
+
+ expect(utils.isOutputFileUpToDate(abiFile, outputFile)).to.be.false();
+ });
+ });
+ });
+});