refactor: extract parsing java StackTraceElement to allow improving

__tests__/java-stack-trace-element-parser.test.ts

@@ -0,0 +1,40 @@
+import {parseStackTraceElement} from '../src/parsers/java-junit/java-stack-trace-element-parser'
+
+describe('parseStackTraceLine tests', () => {
+  it('empty line is not parsed', async () => {
+    const line = ''
+    expect(parseStackTraceElement(line)).toBe(undefined)
+  })
+
+  describe('java class', () => {
+    it('simple', async () => {
+      const line =
+        'at org.apache.pulsar.AddMissingPatchVersionTest.testVersionStrings(AddMissingPatchVersionTest.java:29)'
+      expect(parseStackTraceElement(line)).toEqual({
+        tracePath: 'org.apache.pulsar.AddMissingPatchVersionTest.testVersionStrings',
+        fileName: 'AddMissingPatchVersionTest.java',
+        lineStr: '29'
+      })
+    })
+
+    it('inner class', async () => {
+      const line = 'at com.foo.Main$Inner.run(Main.java:29)'
+      expect(parseStackTraceElement(line)).toEqual({
+        tracePath: 'com.foo.Main$Inner.run',
+        fileName: 'Main.java',
+        lineStr: '29'
+      })
+    })
+  })
+
+  describe('Kotlin class', () => {
+    it('method name containing whitespaces', async () => {
+      const line = 'at com.foo.Main.method with whitespaces(Main.kt:18)'
+      expect(parseStackTraceElement(line)).toEqual({
+        tracePath: 'com.foo.Main.method with whitespaces',
+        fileName: 'Main.kt',
+        lineStr: '18'
+      })
+    })
+  })
+})