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context_test.go
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package golog
import (
"context"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func TestIsActiveContext(t *testing.T) {
tests := []struct {
name string
ctx context.Context
level Level
want bool
}{
{name: "nil", ctx: nil, level: 0, want: true},
{name: "Background", ctx: context.Background(), level: 0, want: true},
{name: "AllLevelsActive", ctx: ContextWithLevelDecider(context.Background(), AllLevelsActive), level: 0, want: true},
{name: "BoolLevelDecider(true)", ctx: ContextWithLevelDecider(context.Background(), BoolLevelDecider(true)), level: 0, want: true},
{name: "BoolLevelDecider(false)", ctx: ContextWithLevelDecider(context.Background(), BoolLevelDecider(false)), level: 0, want: false},
{name: "AllLevelsInactive", ctx: ContextWithLevelDecider(context.Background(), AllLevelsInactive), level: 0, want: false},
{name: "ContextWithoutLogging", ctx: ContextWithoutLogging(context.Background()), level: 0, want: false},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := IsActiveContext(tt.ctx, tt.level); got != tt.want {
t.Errorf("IsActiveContext(%v, %v) = %t, want %t", tt.ctx, tt.level, got, tt.want)
}
})
}
}
func TestContextWithLevelDecider(t *testing.T) {
t.Run("adds level decider to context", func(t *testing.T) {
ctx := context.Background()
filter := LevelFilterOutBelow(DefaultLevels.Warn)
ctx = ContextWithLevelDecider(ctx, filter)
assert.True(t, IsActiveContext(ctx, DefaultLevels.Warn))
assert.True(t, IsActiveContext(ctx, DefaultLevels.Error))
assert.False(t, IsActiveContext(ctx, DefaultLevels.Info))
assert.False(t, IsActiveContext(ctx, DefaultLevels.Debug))
})
t.Run("overwrites previous level decider", func(t *testing.T) {
ctx := context.Background()
ctx = ContextWithLevelDecider(ctx, AllLevelsInactive)
assert.False(t, IsActiveContext(ctx, DefaultLevels.Info))
ctx = ContextWithLevelDecider(ctx, AllLevelsActive)
assert.True(t, IsActiveContext(ctx, DefaultLevels.Info))
})
}
func TestContextWithoutLogging(t *testing.T) {
t.Run("disables all levels", func(t *testing.T) {
ctx := ContextWithoutLogging(context.Background())
assert.False(t, IsActiveContext(ctx, DefaultLevels.Trace))
assert.False(t, IsActiveContext(ctx, DefaultLevels.Debug))
assert.False(t, IsActiveContext(ctx, DefaultLevels.Info))
assert.False(t, IsActiveContext(ctx, DefaultLevels.Warn))
assert.False(t, IsActiveContext(ctx, DefaultLevels.Error))
assert.False(t, IsActiveContext(ctx, DefaultLevels.Fatal))
})
}
func TestBoolLevelDecider(t *testing.T) {
t.Run("true allows all levels", func(t *testing.T) {
decider := BoolLevelDecider(true)
ctx := context.Background()
assert.True(t, decider.IsActive(ctx, DefaultLevels.Trace))
assert.True(t, decider.IsActive(ctx, DefaultLevels.Debug))
assert.True(t, decider.IsActive(ctx, DefaultLevels.Info))
assert.True(t, decider.IsActive(ctx, DefaultLevels.Warn))
assert.True(t, decider.IsActive(ctx, DefaultLevels.Error))
assert.True(t, decider.IsActive(ctx, DefaultLevels.Fatal))
})
t.Run("false disables all levels", func(t *testing.T) {
decider := BoolLevelDecider(false)
ctx := context.Background()
assert.False(t, decider.IsActive(ctx, DefaultLevels.Trace))
assert.False(t, decider.IsActive(ctx, DefaultLevels.Debug))
assert.False(t, decider.IsActive(ctx, DefaultLevels.Info))
assert.False(t, decider.IsActive(ctx, DefaultLevels.Warn))
assert.False(t, decider.IsActive(ctx, DefaultLevels.Error))
assert.False(t, decider.IsActive(ctx, DefaultLevels.Fatal))
})
t.Run("ignores context argument", func(t *testing.T) {
decider := BoolLevelDecider(true)
var nilCtx context.Context // nil var to prevent linter warning
assert.True(t, decider.IsActive(nilCtx, DefaultLevels.Info))
assert.True(t, decider.IsActive(context.Background(), DefaultLevels.Info))
})
t.Run("ignores level argument", func(t *testing.T) {
decider := BoolLevelDecider(true)
ctx := context.Background()
// All levels return same value
assert.True(t, decider.IsActive(ctx, LevelMin))
assert.True(t, decider.IsActive(ctx, LevelMax))
assert.True(t, decider.IsActive(ctx, Level(-100)))
})
}
func TestContextWithTimestamp(t *testing.T) {
t.Run("adds timestamp to context", func(t *testing.T) {
ts := time.Date(2024, 1, 15, 10, 30, 0, 0, time.UTC)
ctx := ContextWithTimestamp(context.Background(), ts)
retrieved := TimestampFromContext(ctx)
assert.Equal(t, ts, retrieved)
})
t.Run("overwrites previous timestamp", func(t *testing.T) {
ts1 := time.Date(2024, 1, 15, 10, 30, 0, 0, time.UTC)
ts2 := time.Date(2024, 6, 20, 14, 45, 0, 0, time.UTC)
ctx := ContextWithTimestamp(context.Background(), ts1)
ctx = ContextWithTimestamp(ctx, ts2)
retrieved := TimestampFromContext(ctx)
assert.Equal(t, ts2, retrieved)
})
}
func TestTimestampFromContext(t *testing.T) {
t.Run("returns zero time when no timestamp set", func(t *testing.T) {
ctx := context.Background()
ts := TimestampFromContext(ctx)
assert.True(t, ts.IsZero())
})
t.Run("returns timestamp when set", func(t *testing.T) {
expected := time.Date(2024, 1, 15, 10, 30, 0, 0, time.UTC)
ctx := ContextWithTimestamp(context.Background(), expected)
ts := TimestampFromContext(ctx)
assert.Equal(t, expected, ts)
})
}
func TestTimestamp(t *testing.T) {
t.Run("returns timestamp from context when set", func(t *testing.T) {
expected := time.Date(2024, 1, 15, 10, 30, 0, 0, time.UTC)
ctx := ContextWithTimestamp(context.Background(), expected)
ts := Timestamp(ctx)
assert.Equal(t, expected, ts)
})
t.Run("returns current time when no timestamp set", func(t *testing.T) {
ctx := context.Background()
before := time.Now()
ts := Timestamp(ctx)
after := time.Now()
assert.False(t, ts.Before(before), "timestamp should not be before test start")
assert.False(t, ts.After(after), "timestamp should not be after test end")
})
}
func TestLevelDeciderInterface(t *testing.T) {
// Verify that LevelFilter implements LevelDecider
var _ LevelDecider = LevelFilter(0)
// Verify that BoolLevelDecider implements LevelDecider
var _ LevelDecider = BoolLevelDecider(true)
// Verify that Config implements LevelDecider
var _ LevelDecider = Config(nil)
}
func TestContextWithMultipleValues(t *testing.T) {
t.Run("preserves both timestamp and level decider", func(t *testing.T) {
ts := time.Date(2024, 1, 15, 10, 30, 0, 0, time.UTC)
filter := LevelFilterOutBelow(DefaultLevels.Warn)
ctx := context.Background()
ctx = ContextWithTimestamp(ctx, ts)
ctx = ContextWithLevelDecider(ctx, filter)
// Both values should be accessible
assert.Equal(t, ts, TimestampFromContext(ctx))
assert.False(t, IsActiveContext(ctx, DefaultLevels.Info))
assert.True(t, IsActiveContext(ctx, DefaultLevels.Warn))
})
}