Merge pull request #4 from tphummel/cli-tests

add first cli tests

test.js

@@ -22,8 +22,6 @@ tap.test(function singleStreak (t) {
     displayColumn: 0
   })
 
-  console.log(result)
-
   t.equal(result.length, 1)
 
   t.equal(result[0].start, '2017-01-02')
@@ -141,3 +139,71 @@ tap.test(function rowSatisfiesCriteriaFalse (t) {
   t.notOk(lib.rowSatisfiesCriteria({row, criteria}))
   t.end()
 })
+
+const cp = require('child_process')
+
+tap.test(function cliWithMax (t) {
+  const inputData = JSON.stringify([
+    ['2017-01-01', 3],
+    ['2017-01-02', 5],
+    ['2017-01-03', 0],
+    ['2017-01-04', 0],
+    ['2017-01-05', 9],
+    ['2017-01-06', 0],
+    ['2017-01-07', 0],
+    ['2017-01-08', 5]
+  ])
+
+  const cmd = `echo -n '${inputData}' | ./cli.js --label 0 --column 1 --max 0`
+
+  cp.exec(cmd, {
+    shell: 'bash'
+  }, (err, stdout, stderr) => {
+    t.ifErr(err)
+
+    let outputData
+    try {
+      outputData = JSON.parse(stdout)
+    } catch (e) {
+      t.fail(e)
+    }
+
+    t.equal(outputData.length, 2)
+    t.end()
+  })
+})
+
+tap.test(function cliHelp (t) {
+  const cmd = `./cli.js --help`
+
+  cp.exec(cmd, {
+    shell: 'bash'
+  }, (err, stdout, stderr) => {
+    t.ifErr(err)
+    t.ok(stdout.length > 0)
+    t.end()
+  })
+})
+
+tap.test(function cliVersion (t) {
+  const cmd = `./cli.js --version`
+
+  cp.exec(cmd, {
+    shell: 'bash'
+  }, (err, stdout, stderr) => {
+    t.ifErr(err)
+    t.ok(stdout.length > 0)
+    t.end()
+  })
+})
+
+tap.test(function cliVersion (t) {
+  const cmd = `echo -n '[a1]' | ./cli.js`
+
+  cp.exec(cmd, {
+    shell: 'bash'
+  }, (err, stdout, stderr) => {
+    t.equal(err.code, 1)
+    t.end()
+  })
+})