fix format duration rounding days error (#582)

* fix format duration rounding days error
* added tests

Signed-off-by: Sebastian Malton <smalton@mirantis.com>

Co-authored-by: Sebastian Malton <smalton@mirantis.com>

src/common/user-store_spec.ts

@@ -13,7 +13,6 @@ describe("for an empty config", () => {
       }
     }
     mockFs(mockOpts)
-    const userStore = UserStore.getInstance()
   })
 
   afterEach(() => {
@@ -57,12 +56,10 @@ describe("migrations", () => {
         'config.json': JSON.stringify({
           user: { username: 'foobar' },
           preferences: { colorTheme: 'light' },
-          lastSeenAppVersion: '1.2.3'
         })
       }
     }
     mockFs(mockOpts)
-    const userStore = UserStore.getInstance()
   })
 
   afterEach(() => {

src/main/context-handler.ts

@@ -1,5 +1,4 @@
 import { CoreV1Api, KubeConfig } from "@kubernetes/client-node"
-import http from "http"
 import { ServerOptions } from "http-proxy"
 import * as url from "url"
 import logger from "./logger"

src/main/kubectl.ts

@@ -125,7 +125,7 @@ export class Kubectl {
       }
 
       try {
-        const { stdout, stderr } = await promiseExec(`"${this.path}" version --client=true -o json`)
+        const { stdout } = await promiseExec(`"${this.path}" version --client=true -o json`)
         const output = JSON.parse(stdout)
         let version: string = output.clientVersion.gitVersion
         if (version[0] === 'v') {

src/renderer/utils/formatDuration.ts

@@ -1,24 +1,35 @@
-// Formatting date duration in shorten format, e.g. "2d", or "25m"
-
 import moment from "moment";
 
+const suffixes = ["w", "d", "h", "m", "s"];
+
+/**
+ * This function formats durations in a more human readable form.
+ * @param timeValue the duration in milliseconds to format
+ * @param compact when true, only the largest non-zero time frame will be returned
+ */
 export function formatDuration(timeValue: number, compact: boolean) {
-  let result = "";
-  const duration = moment.duration(timeValue);
-  const suffixes = ["d", "h", "m"];
+  const duration = moment.duration(timeValue, "milliseconds");
   const durationValues = [
-    Math.round(duration.asDays()),
+    Math.floor(duration.asWeeks()),
+    Math.floor(duration.asDays()) % 7,
     duration.hours(),
     duration.minutes(),
+    duration.seconds(),
   ];
-  durationValues.forEach((value, index) => {
-    if (value) result += value + suffixes[index] + " ";
-  });
+
+  const meaningfulValues = durationValues
+    .map((a, i): [number, string] => [a, suffixes[i]])
+    .filter(([dur, _suf]) => dur > 0)
+    .filter(([_dur, suf], i) => i === 0 || suf !== "s") // remove seconds, unless it is the only one
+    .map(([dur, suf]) => dur + suf);
+
+  if (meaningfulValues.length === 0) {
+    return "0s";
+  }
+
   if (compact) {
-    result = result.split(" ")[0];
+    return meaningfulValues[0];
   }
-  if (!result) {
-    return "<1m";
-  }
-  return result;
+
+  return meaningfulValues.join(" ");
 }

src/renderer/utils/formatDuration_spec.ts

@@ -0,0 +1,56 @@
+import { formatDuration } from "./formatDuration";
+
+const second = 1000;
+const minute = 60 * second;
+const hour = 60 * minute;
+const day = 24 * hour;
+const week = 7 * day;
+
+describe("human format durations", () => {
+  test("long formatted durations less than 24 hours long shouldn't have a 'd' component", () => {
+    const res = formatDuration(19 * 60 * 60 * 1000, false);
+    
+    expect(res).not.toContain("d");
+    expect(res).toBe("19h");
+  });
+
+  test("long formatted durations more than a week have correct day count", () => {
+    const res = formatDuration(2 * week + 2 * day, false);
+    
+    expect(res).toBe("2w 2d");
+  });
+
+  test("durations > 1/2 week shouldn't show 1w has passed", () => {
+    const res = formatDuration(5 * 24 * 60 * 60 * 1000, false);
+    
+    expect(res).not.toContain("w");
+    expect(res).toBe("5d");
+  });
+
+  test("durations shouldn't include zero magnitude parts", () => {
+    const res = formatDuration(6 * day + 2 * minute, false);
+    
+    expect(res).not.toContain("h");
+    expect(res).toBe("6d 2m");
+  });
+
+  test("seconds are ignored unless they are significant (< 1m)", () => {
+    const insignificant = formatDuration(1 * hour + 2 * minute + 31 * second, false);
+    
+    expect(insignificant).not.toContain("s");
+    expect(insignificant).toBe("1h 2m");
+
+    const significant = formatDuration(31 * second, false);
+    expect(significant).toBe("31s");
+  });
+
+  test("zero duration should output something", () => {
+    expect(formatDuration(0, false)).toBe("0s");
+    expect(formatDuration(0, true)).toBe("0s");
+  });
+
+  test("small duration should output something", () => {
+    expect(formatDuration(1, false)).toBe("0s");
+    expect(formatDuration(3, true)).toBe("0s");
+  });
+});

tsconfig.json

@@ -6,7 +6,6 @@
     "target": "ES2017",
     "module": "ESNext",
     "lib": ["ESNext", "DOM", "DOM.Iterable"],
-    "importsNotUsedAsValues": "preserve",
     "moduleResolution": "Node",
     "sourceMap": true,
     "strict": false,
@@ -32,5 +31,12 @@
     "compilerOptions": {
       "module": "CommonJS"
     }
-  }
+  },
+  "exclude": [
+    "node_modules",
+    "dist",
+    "coverage",
+    "dashboard",
+    "binaries"
+  ]
 }