Add unit tests and test tasks

- Add main_test.go with tests for formatContextInfo, stripANSI,
  StatusInput parsing, getGitInfo, and getGiteaStatus
- Add test, test:cover, test:fixture tasks to Taskfile
- 45% code coverage

Taskfile.yml

@@ -15,34 +15,44 @@ tasks:
   build:
     desc: Build with stripped symbols
     cmds:
-      - go build -ldflags="{{.LDFLAGS}}" -o {{.BINARY}} .
+      - go build -ldflags="{{.LDFLAGS}}" -o bin/{{.BINARY}} .
     sources:
       - "*.go"
       - go.mod
       - go.sum
     generates:
-      - "{{.BINARY}}"
+      - "bin/{{.BINARY}}"
 
   build:debug:
     desc: Build with debug symbols
     cmds:
-      - go build -o {{.BINARY}} .
+      - go build -o bin/{{.BINARY}} .
 
   run:
     desc: Run with test fixture
     deps: [build]
     cmds:
-      - cat test/fixture.json | ./{{.BINARY}}
+      - cat test/fixture.json | ./bin/{{.BINARY}}
 
   test:
+    desc: Run Go unit tests
+    cmds:
+      - go test -v ./...
+
+  test:cover:
+    desc: Run tests with coverage
+    cmds:
+      - go test -cover ./...
+
+  test:fixture:
     desc: Run with test fixture and show output
     deps: [build]
     cmds:
       - echo "=== Output ==="
-      - cat test/fixture.json | ./{{.BINARY}}
+      - cat test/fixture.json | ./bin/{{.BINARY}}
       - echo ""
       - echo "=== Timing (single run) ==="
-      - time sh -c 'cat test/fixture.json | ./{{.BINARY}} > /dev/null'
+      - time sh -c 'cat test/fixture.json | ./bin/{{.BINARY}} > /dev/null'
 
   bench:
     desc: Benchmark Go vs Shell (100 runs)
@@ -50,10 +60,10 @@ tasks:
     cmds:
       - |
         echo "=== Pure Go (100 runs) ==="
-        time for i in $(seq 1 100); do cat test/fixture.json | ./{{.BINARY}} >/dev/null; done
-        echo ""
-        echo "=== Shell (100 runs) ==="
-        time for i in $(seq 1 100); do cat test/fixture.json | ./statusline.sh >/dev/null; done
+        time for i in $(seq 1 100); do cat test/fixture.json | ./bin/{{.BINARY}} >/dev/null; done
+        # echo ""
+        # echo "=== Shell (100 runs) ==="
+        # time for i in $(seq 1 100); do cat test/fixture.json | ./statusline.sh >/dev/null; done
     silent: false
 
   bench:go:
@@ -62,7 +72,7 @@ tasks:
     cmds:
       - |
         echo "=== Pure Go (100 runs) ==="
-        time for i in $(seq 1 100); do cat test/fixture.json | ./{{.BINARY}} >/dev/null; done
+        time for i in $(seq 1 100); do cat test/fixture.json | ./bin/{{.BINARY}} >/dev/null; done
 
   tidy:
     desc: Run go mod tidy
@@ -92,18 +102,18 @@ tasks:
   clean:
     desc: Remove built binary
     cmds:
-      - rm -f {{.BINARY}}
+      - rm -rf bin/
 
   size:
     desc: Show binary size
     deps: [build]
     cmds:
-      - ls -lh {{.BINARY}}
+      - ls -lh bin/{{.BINARY}}
 
   install:
     desc: Install to ~/.claude/
     deps: [build]
     cmds:
       - mkdir -p ~/.claude
-      - cp {{.BINARY}} ~/.claude/{{.BINARY}}
+      - cp bin/{{.BINARY}} ~/.claude/{{.BINARY}}
       - echo "Installed to ~/.claude/{{.BINARY}}"